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Nds Timber Design Values: SOUTHERN PINE
Select Structural|10" wide to Utility|4" wide
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| SOUTHERN PINE | Select Structural|10" wide | 1,800,000 | 660,000 | 1,700 | 565 | 1,650 | 1,150 | 175 | 0.55 | SPIB | 10" wide | NDS-2018 Supplement | 4B |
| SOUTHERN PINE | Select Structural|12" wide | 1,800,000 | 660,000 | 1,600 | 565 | 1,650 | 1,100 | 175 | 0.55 | SPIB | 12" wide | NDS-2018 Supplement | 4B |
| SOUTHERN PINE | Select Structural|2" - 4" wide | 1,800,000 | 660,000 | 2,350 | 565 | 1,900 | 1,650 | 175 | 0.55 | SPIB | 2" - 4" wide | NDS-2018 Supplement | 4B |
| SOUTHERN PINE | Select Structural|5" - 6" wide | 1,800,000 | 660,000 | 2,100 | 565 | 1,800 | 1,450 | 175 | 0.55 | SPIB | 5" - 6" wide | NDS-2018 Supplement | 4B |
| SOUTHERN PINE | Select Structural|5" x 5" and Larger|4D | 1,500,000 | 550,000 | 1,500 | 375 | 950 | 1,000 | 165 | 0.55 | SPIB | 5" x 5" and Larger | NDS-2018 Supplement | 4D |
| SOUTHERN PINE | Select Structural|8" wide | 1,800,000 | 660,000 | 1,950 | 565 | 1,700 | 1,350 | 175 | 0.55 | SPIB | 8" wide | NDS-2018 Supplement | 4B |
| SOUTHERN PINE | Standard|4" wide | 1,200,000 | 440,000 | 475 | 565 | 1,300 | 275 | 175 | 0.55 | SPIB | 4" wide | NDS-2018 Supplement | 4B |
| SOUTHERN PINE | Utility|4" wide | 1,200,000 | 440,000 | 225 | 565 | 850 | 125 | 175 | 0.55 | SPIB | 4" wide | NDS-2018 Supplement | 4B |
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