Nds Timber Design Values: HEM-FIR
NDS (National Design Specification) reference design values for visually graded dimension lumber — bending, tension, shear, compression, and modulus of elasticity
| species | grade | E psi (psi) | Emin psi (psi) | Fb psi (psi) | Fc perp psi (psi) | Fc psi (psi) | Ft psi (psi) | Fv psi (psi) | table id |
|---|---|---|---|---|---|---|---|---|---|
| HEM-FIR | Commercial | 1,400,000 | 510,000 | 4 | 1,350 | 405 | 12 | 1,150 | 4D |
| HEM-FIR | Commercial Dex | 1,400,000 | 510,000 | 6 | 1,350 | 405 | 8 | 1,150 | 4D |
| HEM-FIR | No. 1 & Btr | 1,500,000 | 1,500,000 | 1,100 | 405 | 1,350 | 725 | 150 | 4A |
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