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Wood Properties: Cottonwood, Black
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) | impact bending mm (mm) | modulus of elasticity MPa (MPa) | modulus of rupture kPa (kPa) | origin | radial shrinkage pct (%) | shear parallel kPa (kPa) | side hardness N (N) | specific gravity (dimensionless) | tangential shrinkage pct (%) | tension perpendicular kPa (kPa) | volumetric shrinkage pct (%) | work to max load kJ m3 (kJ/m3) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cottonwood, Black | 12% | Hardwood | 31,000 | 2,100 | 560 | 8,800 | 59,000 | Domestic | 3.6 | 7,200 | 1,600 | 0.35 | 8.6 | 2,300 | 12.4 | 46 |
| Cottonwood, Black | Green | Hardwood | 15,200 | 1,100 | 510 | 7,400 | 34,000 | Domestic | 3.6 | 4,200 | 1,100 | 0.31 | 8.6 | 1,900 | 12.4 | 34 |
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