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Nds Timber Design Values: EASTERN HEMLOCK-BALSAM FIR
Construction to Utility
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) | G | grading rules agency | size classification | standard | table id |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| EASTERN HEMLOCK-BALSAM FIR | Construction | 1,000,000 | 370,000 | 675 | 335 | 1,050 | 300 | 140 | 0.36 | NELMA | 2" - 4" wide | NDS-2018 Supplement | 4A |
| EASTERN HEMLOCK-BALSAM FIR | No. 1 | 1,100,000 | 400,000 | 775 | 335 | 1,000 | 350 | 140 | 0.36 | NELMA | 2" & wider | NDS-2018 Supplement | 4A |
| EASTERN HEMLOCK-BALSAM FIR | No. 2 | 1,100,000 | 400,000 | 575 | 335 | 825 | 275 | 140 | 0.36 | NELMA | 2" & wider | NDS-2018 Supplement | 4A |
| EASTERN HEMLOCK-BALSAM FIR | No. 3 | 900,000 | 330,000 | 350 | 335 | 475 | 150 | 140 | 0.36 | NELMA | 2" & wider | NDS-2018 Supplement | 4A |
| EASTERN HEMLOCK-BALSAM FIR | Select Structural | 1,200,000 | 440,000 | 1,250 | 335 | 1,200 | 575 | 140 | 0.36 | NELMA | 2" & wider | NDS-2018 Supplement | 4A |
| EASTERN HEMLOCK-BALSAM FIR | Standard | 900,000 | 330,000 | 375 | 335 | 850 | 175 | 140 | 0.36 | NELMA | 2" - 4" wide | NDS-2018 Supplement | 4A |
| EASTERN HEMLOCK-BALSAM FIR | Stud | 900,000 | 330,000 | 450 | 335 | 525 | 200 | 140 | 0.36 | NELMA | 2" & wider | NDS-2018 Supplement | 4A |
| EASTERN HEMLOCK-BALSAM FIR | Utility | 800,000 | 290,000 | 175 | 335 | 550 | 75 | 140 | 0.36 | NELMA | 2" - 4" wide | NDS-2018 Supplement | 4A |
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