Sample data from Engineering Database — 375 reference tables, deterministic calculators, and Engineering AI. Sign up free
Wood Properties: Oak, red - Southern red
12% to Green
Wood mechanical, physical, and thermal properties for 190+ hardwood and softwood species at green and 12% moisture content — including strength, stiffness, hardness, shrinkage, thermal conductivity, Poisson ratios, and elastic ratios from the USDA Wood Handbook
| species name | moisture content | category | compression parallel kPa (kPa) | compression perpendicular kPa (kPa) | elastic ratio ER EL (dimensionless) | elastic ratio ET EL (dimensionless) | elastic ratio GLR EL (dimensionless) | elastic ratio GLT EL (dimensionless) | impact bending mm (mm) | modulus of elasticity MPa (MPa) | modulus of rupture kPa (kPa) | origin | poisson LR (dimensionless) | poisson LT (dimensionless) | poisson RL (dimensionless) | poisson RT (dimensionless) | poisson TL (dimensionless) | poisson TR (dimensionless) | radial shrinkage pct (%) | shear parallel kPa (kPa) | side hardness N (N) | specific gravity (dimensionless) | tangential shrinkage pct (%) | tension perpendicular kPa (kPa) | thermal conductivity W mK (W/(m·K)) | volumetric shrinkage pct (%) | work to max load kJ m3 (kJ/m3) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Oak, red - Southern red | 12% | Hardwood | 42,000 | 6,000 | 0.154 | 0.082 | 0.089 | 0.081 | 660 | 10,300 | 75,000 | Domestic | 0.35 | 0.448 | 0.064 | 0.56 | 0.033 | 0.292 | 4.7 | 9,600 | 4,700 | 0.59 | 11.3 | 3,500 | 0.17 | 16.1 | 65 |
| Oak, red - Southern red | Green | Hardwood | 20,900 | 3,800 | — | — | — | — | 740 | 7,900 | 48,000 | Domestic | — | — | — | — | — | — | 4.7 | 6,400 | 3,800 | 0.52 | 11.3 | 3,300 | 0.14 | 16.1 | 55 |
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