WOOD - Materials for Civil and Construction Engineers - page 408

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T ABLE 10.4 Example of Design Values of Eastern White Pine

Design Values, 2 psi

Tension Shear Compression Compression Minimum

Grade Size Parallel to Parallel to perpendicular Parallel to Modulus of Modulus of

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Designation Classification Grain Grain to Grain Grain Elasticity Elasticity

Select
Structural 1,250 575 135 350 1,200 1,200,000 440,000

No. 1 775 350 135 350 1,000 1,100,000 400,000

No. 2 2" & wider 575 275 135 350 825 1,100,000 400,000

No. 3 350 150 135 350 475 900,000 330,000

Stud 2" & wider 450 200 135 350 525 900,000 330,000

Construction 675 300 135 350 1,050 1,000,000 370,000

Standard 2" - 4" wide 375 175 135 350 850 900,000 330,000

Utility 175 75 135 350 550 800,000 290,000

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Courtesy of American Forest & Paper Association, Washington, D.C.
Stresses apply to lumber used at 19 percent maximum moisture content. When lumber is designed for use where the moisture content
will exceed 19 percent for an extended period of time, the values shown herein shall be multiplied by certain wet service factors.
Bending values are applicable to lumber loaded on edge. When loaded flatwise, these values may be increased by multiplying
by certain flat use factors.
For a complete list of grade designations and more detailed design values see reference (American Forest & Paper Association, 2005).

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