Sample data from Engineering Database — 375 reference tables, deterministic calculators, and Engineering AI. Sign up free
Nds Timber Design Values: EASTERN HEMLOCK-TAMARACK
Select Structural|Beams and Stringers|4D 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-TAMARACK | Select Structural|Beams and Stringers|4D | 1,200,000 | 440,000 | 1,400 | 555 | 950 | 925 | 155 | 0.41 | NELMA | Beams and Stringers | NDS-2018 Supplement | 4D |
| EASTERN HEMLOCK-TAMARACK | Select Structural|Posts and Timbers|4D | 1,200,000 | 440,000 | 1,300 | 555 | 1,000 | 875 | 155 | 0.41 | NELMA | Posts and Timbers | NDS-2018 Supplement | 4D |
| EASTERN HEMLOCK-TAMARACK | Standard | 900,000 | 330,000 | 375 | 555 | 850 | 175 | 170 | 0.41 | NELMA | 2" - 4" wide | NDS-2018 Supplement | 4A |
| EASTERN HEMLOCK-TAMARACK | Stud | 900,000 | 330,000 | 450 | 555 | 525 | 200 | 170 | 0.41 | NELMA | 2" & wider | NDS-2018 Supplement | 4A |
| EASTERN HEMLOCK-TAMARACK | Utility | 800,000 | 290,000 | 175 | 555 | 550 | 75 | 170 | 0.41 | NELMA | 2" - 4" wide | NDS-2018 Supplement | 4A |
What else is in Engineering Database
Iron Engine ↗Engineering AI at ironengine.ai
AI built for engineering. Searches the engineering database, performs calculations, gives source-backed engineering insights.
Get started for free ↗Reference Data375 engineering tablesMaterial properties, pipe and shape dimensions, code tables, and electrical ratings across mechanical, civil, chemical, electrical, materials, and manufacturing engineering.
Browse dataCalculatorsDeterministic engineering calculatorsSizing, checking, and conversion tools that run against the reference tables. Inputs are code-compliant, outputs are traceable to the source standard.
Browse calculators