Table 6A Timber Properties

The below table outlines the material properties for Table 6A material including the young's modulus, yield strength, ultimate strength and other relevant mechanical properties required for structural and mechanical design.

Pacific Coast Douglas Fir

Red Pine

Southern Pine (Grouped)

Table 6A Modulus of Elasticity

The Modulus of Elasticity of Table 6A ranges between 1,300,000 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 6A Shear Modulus

The Shear Modulus of Table 6A ranges between 0.42 and 0.55 ksi.

Pacific Coast Douglas Fir Timber Properties

Unit System	Bending Strength, F_b	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
Imperial	2,050 psi	160 psi	490 psi	1,300 psi	1,700,000 psi	690,000 psi	0.5 ksi

Red Pine Timber Properties

Unit System	Bending Strength, F_b	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
Imperial	1,350 psi	125 psi	270 psi	850 psi	1,300,000 psi	520,000 psi	0.42 ksi

Southern Pine (Grouped) Timber Properties

Unit System	Bending Strength, F_b	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
Imperial	1,950 psi	160 psi	440 psi	1,250 psi	1,500,000 psi	600,000 psi	0.55 ksi

Table 5D Timber Properties Table 6B Timber Properties