Douglas Fir (coast) clear green wood vs Hard Maple (Sugar Maple) clear dry wood
Property comparison of Douglas Fir (coast) clear green wood and Hard Maple (Sugar Maple) clear dry wood, both wood.
| Property | Douglas Fir (coast) clear green wood | Hard Maple (Sugar Maple) clear dry wood | Difference |
|---|---|---|---|
| Tensile strength | 47 MPa | 65 MPa | +38% |
| Elastic modulus | 13,400 MPa | 12,600 MPa | -6% |
| Poisson ratio | 0.29 | 0.3 | +3% |
| Density | 540 kg/m³ | 740 kg/m³ | +37% |
| Thermal conductivity | 0.1 W/m·K | 0.18 W/m·K | +80% |
| Specific heat | 2,050 J/kg·K | 1,640 J/kg·K | -20% |
| Coefficient of thermal expansion | 0.000004 1/K | 0.000006 1/K | +40% |
Difference is Hard Maple (Sugar Maple) clear dry wood relative to Douglas Fir (coast) clear green wood. Values are taken from the representative row of each material; both materials may have multiple heat treatments or conditions on their individual pages.
Identification
- standard
- USDA
- standard
- USDA
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