Table 4D Timber Properties

The below table outlines the material properties for Table 4D material including the young's modulus, yield strength, ultimate strength and other relevant mechanical properties required for structural and mechanical design.

ALASKA CEDAR

Select Structural Beams and Stringers
Select Structural Posts and Timbers
No.1 Beams and Stringers
No.1 Posts and Timbers
No.2 Beams and Stringers
No.2 Posts and Timbers

BALDCYPRESS

Select Structural 5in x 5in and Larger
No.1 5in x 5in and Larger
No.2 5in x 5in and Larger

BALSAM FIR

Select Structural Beams and Stringers
Select Structural Posts and Timbers
No.1 Beams and Stringers
No.1 Posts and Timbers
No.2 Beams and Stringers
No.2 Posts and Timbers

BEECH-BIRCH-HICKORY

Select Structural Beams and Stringers
Select Structural Posts and Timbers
No.1 Beams and Stringers
No.1 Posts and Timbers
No.2 Beams and Stringers
No.2 Posts and Timbers

COAST SITKA SPRUCE

Select Structural Beams and Stringers
Select Structural Posts and Timbers
No.1 Beams and Stringers
No.1 Posts and Timbers
No.2 Beams and Stringers
No.2 Posts and Timbers

DOUGLAS FIR-LARCH (WCLIB Grading Rule)

Dense Select Structural Beams and Stringers
Dense Select Structural Posts and Timbers
Select Structural Beams and Stringers
Select Structural Posts and Timbers
Dense No.1 Beams and Stringers
Dense No.1 Posts and Timbers
No.1 Beams and Stringers
No.1 Posts and Timbers
No.2 Beams and Stringers
No.2 Posts and Timbers

DOUGLAS FIR-LARCH (WWPA Grading Rule)

Dense Select Structural Beams and Stringers
Dense Select Structural Posts and Timbers
Select Structural Beams and Stringers
Select Structural Posts and Timbers
Dense No.1 Beams and Stringers
Dense No.1 Posts and Timbers
No.1 Beams and Stringers
No.1 Posts and Timbers
No.2 Dense Beams and Stringers
No.2 Dense Posts and Timbers
No.2 Beams and Stringers
No.2 Posts and Timbers

DOUGLAS FIR-LARCH (NORTH)

Select Structural Beams and Stringers
Select Structural Posts and Timbers
No.1 Beams and Stringers
No.1 Posts and Timbers
No.2 Beams and Stringers
No.2 Posts and Timbers

DOUGLAS FIR-SOUTH

Select Structural Beams and Stringers
Select Structural Posts and Timbers
No.1 Beams and Stringers
No.1 Posts and Timbers
No.2 Beams and Stringers
No.2 Posts and Timbers

EASTERN HEMLOCK

Select Structural Beams and Stringers
Select Structural Posts and Timbers
No.1 Beams and Stringers
No.1 Posts and Timbers
No.2 Beams and Stringers
No.2 Posts and Timbers

EASTERN HEMLOCK-TAMARACK

Select Structural Beams and Stringers
Select Structural Posts and Timbers
No.1 Beams and Stringers
No.1 Posts and Timbers
No.2 Beams and Stringers
No.2 Posts and Timbers

EASTERN HEMLOCK-TAMARACK (N)

Select Structural Beams and Stringers
Select Structural Posts and Timbers
No.1 Beams and Stringers
No.1 Posts and Timbers
No.2 Beams and Stringers
No.2 Posts and Timbers

EASTERN SPRUCE

Select Structural Beams and Stringers
Select Structural Posts and Timbers
No.1 Beams and Stringers
No.1 Posts and Timbers
No.2 Beams and Stringers
No.2 Posts and Timbers

EASTERN WHITE PINE

Select Structural Beams and Stringers
Select Structural Posts and Timbers
No.1 Beams and Stringers
No.1 Posts and Timbers
No.2 Beams and Stringers
No.2 Posts and Timbers

HEM-FIR

Select Structural Beams and Stringers
Select Structural Posts and Timbers
No.1 Beams and Stringers
No.1 Posts and Timbers
No.2 Beams and Stringers
No.2 Posts and Timbers

HEM-FIR (NORTH)

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Select Structural Posts and Timbers
No.1 Beams and Stringers
No.1 Posts and Timbers
No.2 Beams and Stringers
No.2 Posts and Timbers

MIXED MAPLE

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Select Structural Posts and Timbers
No.1 Beams and Stringers
No.1 Posts and Timbers
No.2 Beams and Stringers
No.2 Posts and Timbers

MIXED OAK

Select Structural Beams and Stringers
Select Structural Posts and Timbers
No.1 Beams and Stringers
No.1 Posts and Timbers
No.2 Beams and Stringers
No.2 Posts and Timbers

MIXED SOUTHERN PINE2

Select Structural 5in x 5in and Larger
No.1 5in x 5in and Larger
No.2 5in x 5in and Larger

MOUNTAIN HEMLOCK

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Select Structural Posts and Timbers
No.1 Beams and Stringers
No.1 Posts and Timbers
No.2 Beams and Stringers
No.2 Posts and Timbers

NORTHERN PINE

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Select Structural Posts and Timbers
No.1 Beams and Stringers
No.1 Posts and Timbers
No.2 Beams and Stringers
No.2 Posts and Timbers

NORTHERN RED OAK

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Select Structural Posts and Timbers
No.1 Beams and Stringers
No.1 Posts and Timbers
No.2 Beams and Stringers
No.2 Posts and Timbers

NORTHERN WHITE CEDAR

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Select Structural Posts and Timbers
No.1 Beams and Stringers
No.1 Posts and Timbers
No.2 Beams and Stringers
No.2 Posts and Timbers

PONDEROSA PINE

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Select Structural Posts and Timbers
No.1 Beams and Stringers
No.1 Posts and Timbers
No.2 Beams and Stringers
No.2 Posts and Timbers

RED MAPLE

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Select Structural Posts and Timbers
No.1 Beams and Stringers
No.1 Posts and Timbers
No.2 Beams and Stringers
No.2 Posts and Timbers

RED OAK

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Select Structural Posts and Timbers
No.1 Beams and Stringers
No.1 Posts and Timbers
No.2 Beams and Stringers
No.2 Posts and Timbers

RED PINE

Select Structural Beams and Stringers
Select Structural Posts and Timbers
No.1 Beams and Stringers
No.1 Posts and Timbers
No.2 Beams and Stringers
No.2 Posts and Timbers

REDWOOD

Select Structural 5in x 5in and Larger
No.1 5in x 5in and Larger
No.2 5in x 5in and Larger

SITKA SPRUCE

Select Structural Beams and Stringers
Select Structural Posts and Timbers
No.1 Beams and Stringers
No.1 Posts and Timbers
No.2 Beams and Stringers
No.2 Posts and Timbers

SOUTHERN PINE

Dense Select Structural 5in x 5in and Larger
Select Structural 5in x 5in and Larger
No.1 Dense 5in x 5in and Larger
No.1 5in x 5in and Larger
No.2 Dense 5in x 5in and Larger
No.2 5in x 5in and Larger
Dense Select Structural 86 5in x 5in and Larger
Dense Select Structural 72 5in x 5in and Larger
Dense Select Structural 65 5in x 5in and Larger

SPRUCE-PINE-FIR

Select Structural Beams and Stringers
Select Structural Posts and Timbers
No.1 Beams and Stringers
No.1 Posts and Timbers
No.2 Beams and Stringers
No.2 Posts and Timbers

SPRUCE-PINE-FIR (SOUTH)

Select Structural Beams and Stringers
Select Structural Posts and Timbers
No.1 Beams and Stringers
No.1 Posts and Timbers
No.2 Beams and Stringers
No.2 Posts and Timbers

WESTERN CEDARS

Select Structural Beams and Stringers
Select Structural Posts and Timbers
No.1 Beams and Stringers
No.1 Posts and Timbers
No.2 Beams and Stringers
No.2 Posts and Timbers

WESTERN CEDARS (NORTH)

Select Structural Beams and Stringers
Select Structural Posts and Timbers
No.1 Beams and Stringers
No.1 Posts and Timbers
No.2 Beams and Stringers
No.2 Posts and Timbers

WESTERN HEMLOCK

Select Structural Beams and Stringers
Select Structural Posts and Timbers
No.1 Beams and Stringers
No.1 Posts and Timbers
No.2 Beams and Stringers
No.2 Posts and Timbers

WESTERN HEMLOCK (NORTH)

Select Structural Beams and Stringers
Select Structural Posts and Timbers
No.1 Beams and Stringers
No.1 Posts and Timbers
No.2 Beams and Stringers
No.2 Posts and Timbers

WESTERN WHITE PINE

Select Structural Beams and Stringers
Select Structural Posts and Timbers
No.1 Beams and Stringers
No.1 Posts and Timbers
No.2 Beams and Stringers
No.2 Posts and Timbers

WESTERN WOODS

Select Structural Beams and Stringers
Select Structural Posts and Timbers
No.1 Beams and Stringers
No.1 Posts and Timbers
No.2 Beams and Stringers
No.2 Posts and Timbers

WHITE OAK

Select Structural Beams and Stringers
Select Structural Posts and Timbers
No.1 Beams and Stringers
No.1 Posts and Timbers
No.2 Beams and Stringers
No.2 Posts and Timbers

Table 4D Modulus of Elasticity

The Modulus of Elasticity of Table 4D ranges between 600,000 and 1,700,000 psi Young's Modulus represents the material overall strength. See the below tables to get your specific material grade material strength.

Table 4D Shear Modulus

The Shear Modulus of Table 4D ranges between 0.31 and 0.73 ksi.

ALASKA CEDAR Timber Properties

Select Structural Beams and Stringers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	1,400 psi	675 psi	155 psi	525 psi	925 psi	1,200,000 psi	440,000 psi	0.47 ksi	WCLIB

Select Structural Posts and Timbers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	1,300 psi	700 psi	155 psi	525 psi	975 psi	1,200,000 psi	440,000 psi	0.47 ksi	WCLIB

No.1 Beams and Stringers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	1,150 psi	475 psi	155 psi	525 psi	775 psi	1,200,000 psi	440,000 psi	0.47 ksi	WCLIB

No.1 Posts and Timbers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	1,050 psi	575 psi	155 psi	525 psi	850 psi	1,200,000 psi	440,000 psi	0.47 ksi	WCLIB

No.2 Beams and Stringers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	750 psi	300 psi	155 psi	525 psi	500 psi	1,000,000 psi	370,000 psi	0.47 ksi	WCLIB

No.2 Posts and Timbers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	625 psi	350 psi	155 psi	525 psi	600 psi	1,000,000 psi	370,000 psi	0.47 ksi	WCLIB

BALDCYPRESS Timber Properties

Select Structural 5in x 5in and Larger Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	1,150 psi	750 psi	200 psi	615 psi	1,050 psi	1,300,000 psi	470,000 psi	0.43 ksi	SPIB

No.1 5in x 5in and Larger Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	1000 psi	675 psi	200 psi	615 psi	925 psi	1,300,000 psi	470,000 psi	0.43 ksi	SPIB

No.2 5in x 5in and Larger Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	625 psi	425 psi	175 psi	615 psi	600 psi	1,000,000 psi	370,000 psi	0.43 ksi	SPIB

BALSAM FIR Timber Properties

Select Structural Beams and Stringers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	1,350 psi	900 psi	125 psi	305 psi	950 psi	1,400,000 psi	510,000 psi	0.36 ksi	NELMA

Select Structural Posts and Timbers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	1,250 psi	825 psi	125 psi	305 psi	1000 psi	1,400,000 psi	510,000 psi	0.36 ksi	NELMA

No.1 Beams and Stringers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	1,100 psi	750 psi	125 psi	305 psi	800 psi	1,400,000 psi	510,000 psi	0.36 ksi	NELMA

No.1 Posts and Timbers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	1000 psi	675 psi	125 psi	305 psi	875 psi	1,400,000 psi	510,000 psi	0.36 ksi	NELMA

No.2 Beams and Stringers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	725 psi	350 psi	125 psi	305 psi	500 psi	1,100,000 psi	400,000 psi	0.36 ksi	NELMA

No.2 Posts and Timbers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	575 psi	375 psi	125 psi	305 psi	400 psi	1,100,000 psi	400,000 psi	0.36 ksi	NELMA

BEECH-BIRCH-HICKORY Timber Properties

Select Structural Beams and Stringers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	1,650 psi	975 psi	180 psi	715 psi	975 psi	1,500,000 psi	550,000 psi	0.71 ksi	NELMA

Select Structural Posts and Timbers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	1,550 psi	1,050 psi	180 psi	715 psi	1,050 psi	1,500,000 psi	550,000 psi	0.71 ksi	NELMA

No.1 Beams and Stringers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	1,400 psi	700 psi	180 psi	715 psi	825 psi	1,500,000 psi	550,000 psi	0.71 ksi	NELMA

No.1 Posts and Timbers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	1,250 psi	850 psi	180 psi	715 psi	900 psi	1,500,000 psi	550,000 psi	0.71 ksi	NELMA

No.2 Beams and Stringers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	900 psi	450 psi	180 psi	715 psi	525 psi	1,200,000 psi	440,000 psi	0.71 ksi	NELMA

No.2 Posts and Timbers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	725 psi	475 psi	180 psi	715 psi	425 psi	1,200,000 psi	440,000 psi	0.71 ksi	NELMA

COAST SITKA SPRUCE Timber Properties

Select Structural Beams and Stringers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	1,150 psi	675 psi	115 psi	455 psi	775 psi	1,500,000 psi	550,000 psi	0.43 ksi	NLGA

Select Structural Posts and Timbers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	1,100 psi	725 psi	115 psi	455 psi	825 psi	1,500,000 psi	550,000 psi	0.43 ksi	NLGA

No.1 Beams and Stringers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	950 psi	475 psi	115 psi	455 psi	650 psi	1,500,000 psi	550,000 psi	0.43 ksi	NLGA

No.1 Posts and Timbers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	875 psi	575 psi	115 psi	455 psi	725 psi	1,500,000 psi	550,000 psi	0.43 ksi	NLGA

No.2 Beams and Stringers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	625 psi	325 psi	115 psi	455 psi	425 psi	1,200,000 psi	440,000 psi	0.43 ksi	NLGA

No.2 Posts and Timbers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	525 psi	350 psi	115 psi	455 psi	500 psi	1,200,000 psi	440,000 psi	0.43 ksi	NLGA

DOUGLAS FIR-LARCH (WCLIB Grading Rule) Timber Properties

Dense Select Structural Beams and Stringers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	1,900 psi	1,100 psi	170 psi	730 psi	1,300 psi	1,700,000 psi	620,000 psi	0.5 ksi	WCLIB

Dense Select Structural Posts and Timbers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	1,750 psi	1,150 psi	170 psi	730 psi	1,350 psi	1,700,000 psi	620,000 psi	0.5 ksi	WCLIB

Select Structural Beams and Stringers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	1,600 psi	950 psi	170 psi	625 psi	1,100 psi	1,600,000 psi	580,000 psi	0.5 ksi	WCLIB

Select Structural Posts and Timbers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	1,500 psi	1000 psi	170 psi	625 psi	1,150 psi	1,600,000 psi	580,000 psi	0.5 ksi	WCLIB

Dense No.1 Beams and Stringers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	1,550 psi	775 psi	170 psi	730 psi	1,100 psi	1,700,000 psi	620,000 psi	0.5 ksi	WCLIB

Dense No.1 Posts and Timbers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	1,400 psi	950 psi	170 psi	730 psi	1,200 psi	1,700,000 psi	620,000 psi	0.5 ksi	WCLIB

No.1 Beams and Stringers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	1,350 psi	675 psi	170 psi	625 psi	925 psi	1,600,000 psi	580,000 psi	0.5 ksi	WCLIB

No.1 Posts and Timbers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	1,200 psi	825 psi	170 psi	625 psi	1000 psi	1,600,000 psi	580,000 psi	0.5 ksi	WCLIB

No.2 Beams and Stringers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	875 psi	425 psi	170 psi	625 psi	600 psi	1,300,000 psi	470,000 psi	0.5 ksi	WCLIB

No.2 Posts and Timbers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	750 psi	475 psi	170 psi	625 psi	700 psi	1,300,000 psi	470,000 psi	0.5 ksi	WCLIB

DOUGLAS FIR-LARCH (WWPA Grading Rule) Timber Properties

Dense Select Structural Beams and Stringers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	1,900 psi	1,100 psi	170 psi	730 psi	1,300 psi	1,700,000 psi	620,000 psi	0.5 ksi	WWPA

Dense Select Structural Posts and Timbers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	1,750 psi	1,150 psi	170 psi	730 psi	1,350 psi	1,700,000 psi	620,000 psi	0.5 ksi	WWPA

Select Structural Beams and Stringers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	1,600 psi	950 psi	170 psi	625 psi	1,100 psi	1,600,000 psi	580,000 psi	0.5 ksi	WWPA

Select Structural Posts and Timbers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	1,500 psi	1000 psi	170 psi	625 psi	1,150 psi	1,600,000 psi	580,000 psi	0.5 ksi	WWPA

Dense No.1 Beams and Stringers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	1,550 psi	775 psi	170 psi	730 psi	1,100 psi	1,700,000 psi	620,000 psi	0.5 ksi	WWPA

Dense No.1 Posts and Timbers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	1,400 psi	950 psi	170 psi	730 psi	1,200 psi	1,700,000 psi	620,000 psi	0.5 ksi	WWPA

No.1 Beams and Stringers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	1,350 psi	675 psi	170 psi	625 psi	925 psi	1,600,000 psi	580,000 psi	0.5 ksi	WWPA

No.1 Posts and Timbers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	1,200 psi	825 psi	170 psi	625 psi	1000 psi	1,600,000 psi	580,000 psi	0.5 ksi	WWPA

No.2 Dense Beams and Stringers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	1000 psi	500 psi	170 psi	730 psi	700 psi	1,400,000 psi	510,000 psi	0.5 ksi	WWPA

No.2 Dense Posts and Timbers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	850 psi	550 psi	170 psi	730 psi	825 psi	1,400,000 psi	510,000 psi	0.5 ksi	WWPA

No.2 Beams and Stringers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	875 psi	425 psi	170 psi	625 psi	600 psi	1,300,000 psi	470,000 psi	0.5 ksi	WWPA

No.2 Posts and Timbers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	750 psi	475 psi	170 psi	625 psi	700 psi	1,300,000 psi	470,000 psi	0.5 ksi	WWPA

DOUGLAS FIR-LARCH (NORTH) Timber Properties

Select Structural Beams and Stringers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	1,600 psi	950 psi	170 psi	625 psi	1,100 psi	1,600,000 psi	580,000 psi	0.49 ksi	NLGA

Select Structural Posts and Timbers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	1,500 psi	1000 psi	170 psi	625 psi	1,150 psi	1,600,000 psi	580,000 psi	0.49 ksi	NLGA

No.1 Beams and Stringers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	1,300 psi	675 psi	170 psi	625 psi	925 psi	1,600,000 psi	580,000 psi	0.49 ksi	NLGA

No.1 Posts and Timbers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	1,200 psi	825 psi	170 psi	625 psi	1000 psi	1,600,000 psi	580,000 psi	0.49 ksi	NLGA

No.2 Beams and Stringers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	875 psi	425 psi	170 psi	625 psi	600 psi	1,300,000 psi	470,000 psi	0.49 ksi	NLGA

No.2 Posts and Timbers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	725 psi	475 psi	170 psi	625 psi	700 psi	1,300,000 psi	470,000 psi	0.49 ksi	NLGA

DOUGLAS FIR-SOUTH Timber Properties

Select Structural Beams and Stringers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	1,550 psi	900 psi	165 psi	520 psi	1000 psi	1,200,000 psi	440,000 psi	0.46 ksi	WWPA

Select Structural Posts and Timbers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	1,450 psi	950 psi	165 psi	520 psi	1,050 psi	1,200,000 psi	440,000 psi	0.46 ksi	WWPA

No.1 Beams and Stringers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	1,300 psi	625 psi	165 psi	520 psi	850 psi	1,200,000 psi	440,000 psi	0.46 ksi	WWPA

No.1 Posts and Timbers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	1,150 psi	775 psi	165 psi	520 psi	925 psi	1,200,000 psi	440,000 psi	0.46 ksi	WWPA

No.2 Beams and Stringers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	825 psi	425 psi	165 psi	520 psi	550 psi	1,000,000 psi	370,000 psi	0.46 ksi	WWPA

No.2 Posts and Timbers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	675 psi	450 psi	165 psi	520 psi	650 psi	1,000,000 psi	370,000 psi	0.46 ksi	WWPA

EASTERN HEMLOCK Timber Properties

Select Structural Beams and Stringers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	1,350 psi	925 psi	155 psi	550 psi	950 psi	1,200,000 psi	440,000 psi	0.41 ksi	NELMA

Select Structural Posts and Timbers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	1,250 psi	850 psi	155 psi	550 psi	1000 psi	1,200,000 psi	440,000 psi	0.41 ksi	NELMA

No.1 Beams and Stringers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	1,150 psi	775 psi	155 psi	550 psi	800 psi	1,200,000 psi	440,000 psi	0.41 ksi	NELMA

No.1 Posts and Timbers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	1,050 psi	700 psi	155 psi	500 psi	875 psi	1,200,000 psi	440,000 psi	0.41 ksi	NELMA

No.2 Beams and Stringers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	750 psi	375 psi	155 psi	550 psi	550 psi	900,000 psi	330,000 psi	0.41 ksi	NELMA

No.2 Posts and Timbers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	600 psi	400 psi	155 psi	550 psi	400 psi	900,000 psi	330,000 psi	0.41 ksi	NELMA

EASTERN HEMLOCK-TAMARACK Timber Properties

Select Structural Beams and Stringers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	1,400 psi	925 psi	155 psi	555 psi	950 psi	1,200,000 psi	440,000 psi	0.41 ksi	NELMA

Select Structural Posts and Timbers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	1,300 psi	875 psi	155 psi	555 psi	1000 psi	1,200,000 psi	440,000 psi	0.41 ksi	NELMA

No.1 Beams and Stringers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	1,150 psi	775 psi	155 psi	555 psi	800 psi	1,200,000 psi	440,000 psi	0.41 ksi	NELMA

No.1 Posts and Timbers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	1,050 psi	700 psi	155 psi	555 psi	875 psi	1,200,000 psi	440,000 psi	0.41 ksi	NELMA

No.2 Beams and Stringers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	750 psi	375 psi	155 psi	555 psi	500 psi	900,000 psi	330,000 psi	0.41 ksi	NELMA

No.2 Posts and Timbers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	600 psi	400 psi	155 psi	555 psi	400 psi	900,000 psi	330,000 psi	0.41 ksi	NELMA

EASTERN HEMLOCK-TAMARACK (N) Timber Properties

Select Structural Beams and Stringers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	1,450 psi	850 psi	165 psi	555 psi	950 psi	1,300,000 psi	470,000 psi	0.47 ksi	NLGA

Select Structural Posts and Timbers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	1,350 psi	900 psi	165 psi	555 psi	1000 psi	1,300,000 psi	470,000 psi	0.47 ksi	NLGA

No.1 Beams and Stringers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	1,200 psi	600 psi	165 psi	555 psi	800 psi	1,300,000 psi	470,000 psi	0.47 ksi	NLGA

No.1 Posts and Timbers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	1,100 psi	725 psi	165 psi	555 psi	875 psi	1,300,000 psi	470,000 psi	0.47 ksi	NLGA

No.2 Beams and Stringers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	775 psi	400 psi	165 psi	555 psi	500 psi	1,100,000 psi	400,000 psi	0.47 ksi	NLGA

No.2 Posts and Timbers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	650 psi	425 psi	165 psi	555 psi	600 psi	1,100,000 psi	400,000 psi	0.47 ksi	NLGA

EASTERN SPRUCE Timber Properties

Select Structural Beams and Stringers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	1,050 psi	725 psi	135 psi	390 psi	750 psi	1,400,000 psi	510,000 psi	0.41 ksi	NELMA

Select Structural Posts and Timbers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	1000 psi	675 psi	135 psi	390 psi	775 psi	1,400,000 psi	510,000 psi	0.41 ksi	NELMA

No.1 Beams and Stringers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	900 psi	600 psi	135 psi	390 psi	625 psi	1,400,000 psi	510,000 psi	0.41 ksi	NELMA

No.1 Posts and Timbers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	800 psi	550 psi	135 psi	390 psi	675 psi	1,400,000 psi	510,000 psi	0.41 ksi	NELMA

No.2 Beams and Stringers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	575 psi	275 psi	135 psi	390 psi	375 psi	1,000,000 psi	370,000 psi	0.41 ksi	NELMA

No.2 Posts and Timbers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	450 psi	300 psi	135 psi	390 psi	300 psi	1,000,000 psi	370,000 psi	0.41 ksi	NELMA

EASTERN WHITE PINE Timber Properties

Select Structural Beams and Stringers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	1,050 psi	700 psi	125 psi	350 psi	675 psi	1,100,000 psi	400,000 psi	0.36 ksi	NELMA

Select Structural Posts and Timbers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	975 psi	650 psi	125 psi	350 psi	725 psi	1,100,000 psi	400,000 psi	0.36 ksi	NELMA

No.1 Beams and Stringers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	875 psi	600 psi	125 psi	350 psi	575 psi	1,100,000 psi	400,000 psi	0.36 ksi	NELMA

No.1 Posts and Timbers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	800 psi	525 psi	125 psi	350 psi	625 psi	1,100,000 psi	400,000 psi	0.36 ksi	NELMA

No.2 Beams and Stringers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	575 psi	275 psi	125 psi	350 psi	400 psi	900,000 psi	330,000 psi	0.36 ksi	NELMA

No.2 Posts and Timbers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	450 psi	300 psi	125 psi	350 psi	325 psi	900,000 psi	330,000 psi	0.36 ksi	NELMA

HEM-FIR Timber Properties

Select Structural Beams and Stringers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	1,300 psi	750 psi	140 psi	405 psi	925 psi	1,300,000 psi	470,000 psi	0.43 ksi	WCLIB WWPA

Select Structural Posts and Timbers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	1,200 psi	800 psi	140 psi	405 psi	975 psi	1,300,000 psi	470,000 psi	0.43 ksi	WCLIB WWPA

No.1 Beams and Stringers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	1,050 psi	525 psi	140 psi	405 psi	750 psi	1,300,000 psi	470,000 psi	0.43 ksi	WCLIB WWPA

No.1 Posts and Timbers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	975 psi	650 psi	140 psi	405 psi	850 psi	1,300,000 psi	470,000 psi	0.43 ksi	WCLIB WWPA

No.2 Beams and Stringers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	675 psi	350 psi	140 psi	405 psi	500 psi	1,100,000 psi	400,000 psi	0.43 ksi	WCLIB WWPA

No.2 Posts and Timbers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	575 psi	375 psi	140 psi	405 psi	575 psi	1,100,000 psi	400,000 psi	0.43 ksi	WCLIB WWPA

HEM-FIR (NORTH) Timber Properties

Select Structural Beams and Stringers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	1,250 psi	725 psi	135 psi	405 psi	900 psi	1,300,000 psi	470,000 psi	0.46 ksi	NLGA

Select Structural Posts and Timbers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	1,150 psi	775 psi	135 psi	405 psi	950 psi	1,300,000 psi	470,000 psi	0.46 ksi	NLGA

No.1 Beams and Stringers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	1000 psi	500 psi	135 psi	405 psi	750 psi	1,300,000 psi	470,000 psi	0.46 ksi	NLGA

No.1 Posts and Timbers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	925 psi	625 psi	135 psi	405 psi	850 psi	1,300,000 psi	470,000 psi	0.46 ksi	NLGA

No.2 Beams and Stringers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	675 psi	325 psi	135 psi	405 psi	475 psi	1,100,000 psi	400,000 psi	0.46 ksi	NLGA

No.2 Posts and Timbers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	550 psi	375 psi	135 psi	405 psi	575 psi	1,100,000 psi	400,000 psi	0.46 ksi	NLGA

MIXED MAPLE Timber Properties

Select Structural Beams and Stringers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	1,150 psi	700 psi	180 psi	620 psi	725 psi	1,100,000 psi	400,000 psi	0.55 ksi	NELMA

Select Structural Posts and Timbers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	1,100 psi	725 psi	180 psi	620 psi	750 psi	1,100,000 psi	400,000 psi	0.55 ksi	NELMA

No.1 Beams and Stringers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	975 psi	500 psi	180 psi	620 psi	600 psi	1,100,000 psi	400,000 psi	0.55 ksi	NELMA

No.1 Posts and Timbers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	875 psi	600 psi	180 psi	620 psi	650 psi	1,100,000 psi	400,000 psi	0.55 ksi	NELMA

No.2 Beams and Stringers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	625 psi	325 psi	180 psi	620 psi	375 psi	900,000 psi	330,000 psi	0.55 ksi	NELMA

No.2 Posts and Timbers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	500 psi	350 psi	180 psi	620 psi	300 psi	900,000 psi	330,000 psi	0.55 ksi	NELMA

MIXED OAK Timber Properties

Select Structural Beams and Stringers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	1,350 psi	800 psi	155 psi	800 psi	825 psi	1,000,000 psi	370,000 psi	0.68 ksi	NELMA

Select Structural Posts and Timbers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	1,250 psi	850 psi	155 psi	800 psi	875 psi	1,000,000 psi	370,000 psi	0.68 ksi	NELMA

No.1 Beams and Stringers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	1,150 psi	550 psi	155 psi	800 psi	700 psi	1,000,000 psi	370,000 psi	0.68 ksi	NELMA

No.1 Posts and Timbers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	1000 psi	675 psi	155 psi	800 psi	775 psi	1,000,000 psi	370,000 psi	0.68 ksi	NELMA

No.2 Beams and Stringers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	725 psi	375 psi	155 psi	800 psi	450 psi	800,000 psi	290,000 psi	0.68 ksi	NELMA

No.2 Posts and Timbers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	575 psi	400 psi	155 psi	800 psi	350 psi	800,000 psi	290,000 psi	0.68 ksi	NELMA

MIXED SOUTHERN PINE2 Timber Properties

Select Structural 5in x 5in and Larger Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	1,500 psi	1000 psi	165 psi	375 psi	900 psi	1,300,000 psi	470,000 psi	0.51 ksi	SPIB

No.1 5in x 5in and Larger Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	1,350 psi	900 psi	165 psi	375 psi	800 psi	1,300,000 psi	470,000 psi	0.51 ksi	SPIB

No.2 5in x 5in and Larger Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	850 psi	550 psi	165 psi	375 psi	525 psi	1,000,000 psi	370,000 psi	0.51 ksi	SPIB

MOUNTAIN HEMLOCK Timber Properties

Select Structural Beams and Stringers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	1,350 psi	775 psi	170 psi	570 psi	875 psi	1,100,000 psi	400,000 psi	0.47 ksi	WCLIB WWPA

Select Structural Posts and Timbers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	1,250 psi	825 psi	170 psi	570 psi	925 psi	1,100,000 psi	400,000 psi	0.47 ksi	WCLIB WWPA

No.1 Beams and Stringers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	1,100 psi	550 psi	170 psi	570 psi	725 psi	1,100,000 psi	400,000 psi	0.47 ksi	WCLIB WWPA

No.1 Posts and Timbers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	1000 psi	675 psi	170 psi	570 psi	800 psi	1,100,000 psi	400,000 psi	0.47 ksi	WCLIB WWPA

No.2 Beams and Stringers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	725 psi	375 psi	170 psi	570 psi	475 psi	900,000 psi	330,000 psi	0.47 ksi	WCLIB WWPA

No.2 Posts and Timbers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	625 psi	400 psi	170 psi	570 psi	550 psi	900,000 psi	330,000 psi	0.47 ksi	WCLIB WWPA

NORTHERN PINE Timber Properties

Select Structural Beams and Stringers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	1,250 psi	850 psi	135 psi	435 psi	850 psi	1,300,000 psi	470,000 psi	0.42 ksi	NELMA

Select Structural Posts and Timbers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	1,150 psi	800 psi	135 psi	435 psi	900 psi	1,300,000 psi	470,000 psi	0.42 ksi	NELMA

No.1 Beams and Stringers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	1,050 psi	700 psi	135 psi	435 psi	725 psi	1,300,000 psi	470,000 psi	0.42 ksi	NELMA

No.1 Posts and Timbers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	950 psi	650 psi	135 psi	435 psi	800 psi	1,300,000 psi	470,000 psi	0.42 ksi	NELMA

No.2 Beams and Stringers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	675 psi	350 psi	135 psi	435 psi	450 psi	1,000,000 psi	370,000 psi	0.42 ksi	NELMA

No.2 Posts and Timbers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	550 psi	375 psi	135 psi	435 psi	375 psi	1,000,000 psi	370,000 psi	0.42 ksi	NELMA

NORTHERN RED OAK Timber Properties

Select Structural Beams and Stringers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	1,600 psi	950 psi	205 psi	885 psi	950 psi	1,300,000 psi	470,000 psi	0.68 ksi	NELMA

Select Structural Posts and Timbers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	1,500 psi	1000 psi	205 psi	885 psi	1000 psi	1,300,000 psi	470,000 psi	0.68 ksi	NELMA

No.1 Beams and Stringers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	1,350 psi	675 psi	205 psi	885 psi	800 psi	1,300,000 psi	470,000 psi	0.68 ksi	NELMA

No.1 Posts and Timbers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	1,200 psi	800 psi	205 psi	885 psi	875 psi	1,300,000 psi	470,000 psi	0.68 ksi	NELMA

No.2 Beams and Stringers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	875 psi	425 psi	205 psi	885 psi	500 psi	1,000,000 psi	370,000 psi	0.68 ksi	NELMA

No.2 Posts and Timbers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	700 psi	475 psi	205 psi	885 psi	400 psi	1,000,000 psi	370,000 psi	0.68 ksi	NELMA

NORTHERN WHITE CEDAR Timber Properties

Select Structural Beams and Stringers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	900 psi	600 psi	115 psi	370 psi	600 psi	700,000 psi	260,000 psi	0.31 ksi	NELMA

Select Structural Posts and Timbers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	850 psi	575 psi	115 psi	370 psi	650 psi	700,000 psi	260,000 psi	0.31 ksi	NELMA

No.1 Beams and Stringers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	750 psi	500 psi	115 psi	370 psi	500 psi	700,000 psi	260,000 psi	0.31 ksi	NELMA

No.1 Posts and Timbers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	675 psi	450 psi	115 psi	370 psi	550 psi	700,000 psi	260,000 psi	0.31 ksi	NELMA

No.2 Beams and Stringers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	500 psi	250 psi	115 psi	370 psi	325 psi	600,000 psi	220,000 psi	0.31 ksi	NELMA

No.2 Posts and Timbers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	400 psi	250 psi	115 psi	370 psi	250 psi	600,000 psi	220,000 psi	0.31 ksi	NELMA

PONDEROSA PINE Timber Properties

Select Structural Beams and Stringers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	1,100 psi	725 psi	130 psi	535 psi	750 psi	1,100,000 psi	400,000 psi	0.43 ksi	NLGA

Select Structural Posts and Timbers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	1000 psi	675 psi	130 psi	535 psi	800 psi	1,100,000 psi	400,000 psi	0.43 ksi	NLGA

No.1 Beams and Stringers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	925 psi	500 psi	130 psi	535 psi	625 psi	1,100,000 psi	400,000 psi	0.43 ksi	NLGA

No.1 Posts and Timbers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	825 psi	550 psi	130 psi	535 psi	700 psi	1,100,000 psi	400,000 psi	0.43 ksi	NLGA

No.2 Beams and Stringers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	600 psi	300 psi	130 psi	535 psi	400 psi	900,000 psi	330,000 psi	0.43 ksi	NLGA

No.2 Posts and Timbers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	475 psi	325 psi	130 psi	535 psi	325 psi	900,000 psi	330,000 psi	0.43 ksi	NLGA

RED MAPLE Timber Properties

Select Structural Beams and Stringers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	1,500 psi	875 psi	195 psi	615 psi	900 psi	1,500,000 psi	550,000 psi	0.58 ksi	NELMA

Select Structural Posts and Timbers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	1,400 psi	925 psi	195 psi	615 psi	950 psi	1,500,000 psi	550,000 psi	0.58 ksi	NELMA

No.1 Beams and Stringers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	1,250 psi	625 psi	195 psi	615 psi	750 psi	1,500,000 psi	550,000 psi	0.58 ksi	NELMA

No.1 Posts and Timbers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	1,150 psi	750 psi	195 psi	615 psi	825 psi	1,500,000 psi	550,000 psi	0.58 ksi	NELMA

No.2 Beams and Stringers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	800 psi	400 psi	195 psi	615 psi	475 psi	1,200,000 psi	440,000 psi	0.58 ksi	NELMA

No.2 Posts and Timbers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	650 psi	425 psi	195 psi	615 psi	375 psi	1,200,000 psi	440,000 psi	0.58 ksi	NELMA

RED OAK Timber Properties

Select Structural Beams and Stringers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	1,350 psi	800 psi	155 psi	820 psi	825 psi	1,200,000 psi	440,000 psi	0.67 ksi	NELMA

Select Structural Posts and Timbers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	1,250 psi	850 psi	155 psi	820 psi	875 psi	1,200,000 psi	440,000 psi	0.67 ksi	NELMA

No.1 Beams and Stringers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	1,150 psi	550 psi	155 psi	820 psi	700 psi	1,200,000 psi	440,000 psi	0.67 ksi	NELMA

No.1 Posts and Timbers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	1000 psi	675 psi	155 psi	820 psi	775 psi	1,200,000 psi	440,000 psi	0.67 ksi	NELMA

No.2 Beams and Stringers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	725 psi	375 psi	155 psi	820 psi	450 psi	1,000,000 psi	370,000 psi	0.67 ksi	NELMA

No.2 Posts and Timbers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	575 psi	400 psi	155 psi	820 psi	350 psi	1,000,000 psi	370,000 psi	0.67 ksi	NELMA

RED PINE Timber Properties

Select Structural Beams and Stringers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	1,050 psi	625 psi	130 psi	440 psi	725 psi	1,100,000 psi	400,000 psi	0.44 ksi	NLGA

Select Structural Posts and Timbers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	1000 psi	675 psi	130 psi	440 psi	775 psi	1,100,000 psi	400,000 psi	0.44 ksi	NLGA

No.1 Beams and Stringers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	875 psi	450 psi	130 psi	440 psi	600 psi	1,100,000 psi	400,000 psi	0.44 ksi	NLGA

No.1 Posts and Timbers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	800 psi	550 psi	130 psi	440 psi	675 psi	1,100,000 psi	400,000 psi	0.44 ksi	NLGA

No.2 Beams and Stringers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	575 psi	300 psi	130 psi	440 psi	375 psi	900,000 psi	330,000 psi	0.44 ksi	NLGA

No.2 Posts and Timbers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	475 psi	325 psi	130 psi	440 psi	475 psi	900,000 psi	330,000 psi	0.44 ksi	NLGA

REDWOOD Timber Properties

Select Structural 5in x 5in and Larger Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	1,100 psi	750 psi	145 psi	420 psi	900 psi	1,000,000 psi	370,000 psi	0.37 ksi	RIS

No.1 5in x 5in and Larger Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	950 psi	650 psi	145 psi	420 psi	800 psi	1,000,000 psi	370,000 psi	0.37 ksi	RIS

No.2 5in x 5in and Larger Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	750 psi	400 psi	145 psi	420 psi	650 psi	900,000 psi	330,000 psi	0.37 ksi	RIS

SITKA SPRUCE Timber Properties

Select Structural Beams and Stringers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	1,200 psi	675 psi	140 psi	435 psi	825 psi	1,300,000 psi	470,000 psi	0.43 ksi	WWPA

Select Structural Posts and Timbers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	1,150 psi	750 psi	140 psi	435 psi	875 psi	1,300,000 psi	470,000 psi	0.43 ksi	WWPA

No.1 Beams and Stringers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	1000 psi	500 psi	140 psi	435 psi	675 psi	1,300,000 psi	470,000 psi	0.43 ksi	WWPA

No.1 Posts and Timbers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	925 psi	600 psi	140 psi	435 psi	750 psi	1,300,000 psi	470,000 psi	0.43 ksi	WWPA

No.2 Beams and Stringers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	650 psi	325 psi	140 psi	435 psi	450 psi	1,100,000 psi	400,000 psi	0.43 ksi	WWPA

No.2 Posts and Timbers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	550 psi	350 psi	140 psi	435 psi	525 psi	1,100,000 psi	400,000 psi	0.43 ksi	WWPA

SOUTHERN PINE Timber Properties

Dense Select Structural 5in x 5in and Larger Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	1,750 psi	1,200 psi	165 psi	440 psi	1,100 psi	1,600,000 psi	580,000 psi	0.55 ksi	SPIB

Select Structural 5in x 5in and Larger Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	1,500 psi	1000 psi	165 psi	375 psi	950 psi	1,500,000 psi	550,000 psi	0.55 ksi	SPIB

No.1 Dense 5in x 5in and Larger Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	1,550 psi	1,050 psi	165 psi	440 psi	975 psi	1,600,000 psi	580,000 psi	0.55 ksi	SPIB

No.1 5in x 5in and Larger Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	1,350 psi	900 psi	165 psi	375 psi	825 psi	1,500,000 psi	550,000 psi	0.55 ksi	SPIB

No.2 Dense 5in x 5in and Larger Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	975 psi	650 psi	165 psi	440 psi	625 psi	1,300,000 psi	470,000 psi	0.55 ksi	SPIB

No.2 5in x 5in and Larger Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	850 psi	550 psi	165 psi	375 psi	525 psi	1,200,000 psi	440,000 psi	0.55 ksi	SPIB

Dense Select Structural 86 5in x 5in and Larger Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	2,100 psi	1,400 psi	165 psi	440 psi	1,300 psi	1,600,000 psi	580,000 psi	0.55 ksi	SPIB

Dense Select Structural 72 5in x 5in and Larger Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	1,750 psi	1,200 psi	165 psi	440 psi	1,100 psi	1,600,000 psi	580,000 psi	0.55 ksi	SPIB

Dense Select Structural 65 5in x 5in and Larger Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	1,600 psi	1,050 psi	165 psi	440 psi	1000 psi	1,600,000 psi	580,000 psi	0.55 ksi	SPIB

SPRUCE-PINE-FIR Timber Properties

Select Structural Beams and Stringers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	1,100 psi	650 psi	125 psi	425 psi	775 psi	1,300,000 psi	470,000 psi	0.42 ksi	NLGA

Select Structural Posts and Timbers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	1,050 psi	700 psi	125 psi	425 psi	800 psi	1,300,000 psi	470,000 psi	0.42 ksi	NLGA

No.1 Beams and Stringers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	900 psi	450 psi	125 psi	425 psi	625 psi	1,300,000 psi	470,000 psi	0.42 ksi	NLGA

No.1 Posts and Timbers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	850 psi	550 psi	125 psi	425 psi	700 psi	1,300,000 psi	470,000 psi	0.42 ksi	NLGA

No.2 Beams and Stringers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	600 psi	300 psi	125 psi	425 psi	425 psi	1,000,000 psi	370,000 psi	0.42 ksi	NLGA

No.2 Posts and Timbers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	500 psi	325 psi	125 psi	425 psi	500 psi	1,000,000 psi	370,000 psi	0.42 ksi	NLGA

SPRUCE-PINE-FIR (SOUTH) Timber Properties

Select Structural Beams and Stringers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	1,050 psi	625 psi	125 psi	335 psi	675 psi	1,200,000 psi	440,000 psi	0.36 ksi	NELMA WWPA WCLIB

Select Structural Posts and Timbers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	1000 psi	675 psi	125 psi	335 psi	700 psi	1,200,000 psi	440,000 psi	0.36 ksi	NELMA WWPA WCLIB

No.1 Beams and Stringers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	900 psi	450 psi	125 psi	335 psi	550 psi	1,200,000 psi	440,000 psi	0.36 ksi	NELMA WWPA WCLIB

No.1 Posts and Timbers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	800 psi	550 psi	125 psi	335 psi	625 psi	1,200,000 psi	440,000 psi	0.36 ksi	NELMA WWPA WCLIB

No.2 Beams and Stringers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	575 psi	300 psi	125 psi	335 psi	375 psi	1,000,000 psi	370,000 psi	0.36 ksi	NELMA WWPA WCLIB

No.2 Posts and Timbers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	475 psi	325 psi	125 psi	335 psi	425 psi	1,000,000 psi	370,000 psi	0.36 ksi	NELMA WWPA WCLIB

WESTERN CEDARS Timber Properties

Select Structural Beams and Stringers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	1,150 psi	675 psi	140 psi	425 psi	875 psi	1,000,000 psi	370,000 psi	0.36 ksi	WCLIB WWPA

Select Structural Posts and Timbers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	1,100 psi	725 psi	140 psi	425 psi	925 psi	1,000,000 psi	370,000 psi	0.36 ksi	WCLIB WWPA

No.1 Beams and Stringers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	975 psi	475 psi	140 psi	425 psi	725 psi	1,000,000 psi	370,000 psi	0.36 ksi	WCLIB WWPA

No.1 Posts and Timbers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	875 psi	600 psi	140 psi	425 psi	800 psi	1,000,000 psi	370,000 psi	0.36 ksi	WCLIB WWPA

No.2 Beams and Stringers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	625 psi	325 psi	140 psi	425 psi	475 psi	800,000 psi	290,000 psi	0.36 ksi	WCLIB WWPA

No.2 Posts and Timbers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	550 psi	350 psi	140 psi	425 psi	550 psi	800,000 psi	290,000 psi	0.36 ksi	WCLIB WWPA

WESTERN CEDARS (NORTH) Timber Properties

Select Structural Beams and Stringers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	1,150 psi	675 psi	130 psi	425 psi	850 psi	1,000,000 psi	370,000 psi	0.35 ksi	NLGA

Select Structural Posts and Timbers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	1,050 psi	700 psi	130 psi	425 psi	900 psi	1,000,000 psi	370,000 psi	0.35 ksi	NLGA

No.1 Beams and Stringers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	925 psi	475 psi	130 psi	425 psi	700 psi	1,000,000 psi	370,000 psi	0.35 ksi	NLGA

No.1 Posts and Timbers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	875 psi	575 psi	130 psi	425 psi	800 psi	1,000,000 psi	370,000 psi	0.35 ksi	NLGA

No.2 Beams and Stringers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	625 psi	300 psi	130 psi	425 psi	450 psi	800,000 psi	290,000 psi	0.35 ksi	NLGA

No.2 Posts and Timbers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	500 psi	350 psi	130 psi	425 psi	550 psi	800,000 psi	290,000 psi	0.35 ksi	NLGA

WESTERN HEMLOCK Timber Properties

Select Structural Beams and Stringers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	1,400 psi	825 psi	170 psi	410 psi	1000 psi	1,400,000 psi	510,000 psi	0.47 ksi	WCLIB WWPA

Select Structural Posts and Timbers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	1,300 psi	875 psi	170 psi	410 psi	1,100 psi	1,400,000 psi	510,000 psi	0.47 ksi	WCLIB WWPA

No.1 Beams and Stringers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	1,150 psi	575 psi	170 psi	410 psi	850 psi	1,400,000 psi	510,000 psi	0.47 ksi	WCLIB WWPA

No.1 Posts and Timbers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	1,050 psi	700 psi	170 psi	410 psi	950 psi	1,400,000 psi	510,000 psi	0.47 ksi	WCLIB WWPA

No.2 Beams and Stringers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	750 psi	375 psi	170 psi	410 psi	550 psi	1,100,000 psi	400,000 psi	0.47 ksi	WCLIB WWPA

No.2 Posts and Timbers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	650 psi	425 psi	170 psi	410 psi	650 psi	1,100,000 psi	400,000 psi	0.47 ksi	WCLIB WWPA

WESTERN HEMLOCK (NORTH) Timber Properties

Select Structural Beams and Stringers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	1,400 psi	825 psi	135 psi	410 psi	1000 psi	1,400,000 psi	510,000 psi	0.46 ksi	NLGA

Select Structural Posts and Timbers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	1,300 psi	875 psi	135 psi	410 psi	1,100 psi	1,400,000 psi	510,000 psi	0.46 ksi	NLGA

No.1 Beams and Stringers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	1,150 psi	575 psi	135 psi	410 psi	850 psi	1,400,000 psi	510,000 psi	0.46 ksi	NLGA

No.1 Posts and Timbers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	1,050 psi	700 psi	135 psi	410 psi	950 psi	1,400,000 psi	510,000 psi	0.46 ksi	NLGA

No.2 Beams and Stringers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	750 psi	375 psi	135 psi	410 psi	550 psi	1,100,000 psi	400,000 psi	0.46 ksi	NLGA

No.2 Posts and Timbers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	650 psi	425 psi	135 psi	410 psi	650 psi	1,100,000 psi	400,000 psi	0.46 ksi	NLGA

WESTERN WHITE PINE Timber Properties

Select Structural Beams and Stringers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	1,050 psi	600 psi	120 psi	375 psi	775 psi	1,300,000 psi	470,000 psi	0.4 ksi	NLGA

Select Structural Posts and Timbers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	975 psi	650 psi	120 psi	375 psi	800 psi	1,300,000 psi	470,000 psi	0.4 ksi	NLGA

No.1 Beams and Stringers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	850 psi	425 psi	120 psi	375 psi	625 psi	1,300,000 psi	470,000 psi	0.4 ksi	NLGA

No.1 Posts and Timbers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	775 psi	525 psi	120 psi	375 psi	700 psi	1,300,000 psi	470,000 psi	0.4 ksi	NLGA

No.2 Beams and Stringers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	550 psi	275 psi	120 psi	375 psi	400 psi	1,000,000 psi	370,000 psi	0.4 ksi	NLGA

No.2 Posts and Timbers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	450 psi	300 psi	120 psi	375 psi	500 psi	1,000,000 psi	370,000 psi	0.4 ksi	NLGA

WESTERN WOODS Timber Properties

Select Structural Beams and Stringers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	1,050 psi	625 psi	125 psi	345 psi	750 psi	1,100,000 psi	400,000 psi	0.36 ksi	WCLIB WWPA

Select Structural Posts and Timbers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	1000 psi	675 psi	125 psi	345 psi	800 psi	1,100,000 psi	400,000 psi	0.36 ksi	WCLIB WWPA

No.1 Beams and Stringers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	900 psi	450 psi	125 psi	345 psi	625 psi	1,100,000 psi	400,000 psi	0.36 ksi	WCLIB WWPA

No.1 Posts and Timbers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	800 psi	525 psi	125 psi	345 psi	700 psi	1,100,000 psi	400,000 psi	0.36 ksi	WCLIB WWPA

No.2 Beams and Stringers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	575 psi	300 psi	125 psi	345 psi	425 psi	900,000 psi	330,000 psi	0.36 ksi	WCLIB WWPA

No.2 Posts and Timbers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	475 psi	325 psi	125 psi	345 psi	475 psi	900,000 psi	330,000 psi	0.36 ksi	WCLIB WWPA

WHITE OAK Timber Properties

Select Structural Beams and Stringers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	1,400 psi	825 psi	205 psi	800 psi	900 psi	1,000,000 psi	370,000 psi	0.73 ksi	NELMA

Select Structural Posts and Timbers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	1,300 psi	875 psi	205 psi	800 psi	950 psi	1,000,000 psi	370,000 psi	0.73 ksi	NELMA

No.1 Beams and Stringers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	1,200 psi	575 psi	205 psi	800 psi	775 psi	1,000,000 psi	370,000 psi	0.73 ksi	NELMA

No.1 Posts and Timbers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	1,050 psi	700 psi	205 psi	800 psi	825 psi	1,000,000 psi	370,000 psi	0.73 ksi	NELMA

No.2 Beams and Stringers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	750 psi	375 psi	205 psi	800 psi	475 psi	800,000 psi	290,000 psi	0.73 ksi	NELMA

No.2 Posts and Timbers Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_v	Compressive Parallel to Grain Strength, F_cp	Compressive Strength, F_c	Modulus of Elasticity, E	Minimum Modulus of Elasticity, E_min	Shear Modulus, G	rule
Imperial	600 psi	400 psi	205 psi	800 psi	400 psi	800,000 psi	290,000 psi	0.73 ksi	NELMA

Table 4C Timber Properties Table 4F Timber Properties