Materials / Compare
Brass C360 vs. Wood
Compare Brass C360 vs. Wood strength, stiffness, weight and thermal properties.
| Try it on a partA bracket to run stress or thermal on, free in your browser | Open in LessCAD | Open in LessCAD |
|---|---|---|
| Mechanical | ||
| Yield strength | 310MPasourcetypical, 0.5% extension under load | not given (tensile used) |
| Ultimate tensile strength | 400MPasourcetypical | 99MPasourcemodulus of rupture (no direct tensile value) |
| Compressive strength | not sourced | 46.6MPasourcecompression parallel to grain (maximum crushing strength), 12% MC |
| Flexural strength | not sourced | 99MPasourcemodulus of rupture (static bending), 12% MC |
| Elongation at break | 25%sourcetypical, 1 in. rod | not sourced |
| Young's modulus (stiffness) | 96.5GPasourcetypical, temper-independent | 12.5GPasourcebending MOE, parallel to grain |
| Density | 8,498kg/m³sourcenominal | not sourced |
| Strength to weight | 36.5kN·m/kg | not sourced |
| Stiffness to weight | 11.4MN·m/kg | not sourced |
| Poisson's ratio | 0.34sourcebase material: leaded free-machining brass CuZn39Pb2 (C37700), Wieland-Z30 rolled products, reference value at room temperature | 0.35sourcemu_LR (red oak group, ~12% MC) |
| Shear modulus | 36GPa7.78x stiffer in shear | 4.63GPa |
| Bulk modulus | 101GPa | 13.9GPa |
| Speed of sound | 3,370m/s | not sourced |
| Thermal | ||
| Thermal conductivity | 116W/m·Ksourcetypical, 20 °C | 0.18W/m·Ksourceacross grain, 12% MC (Table 4-7, approximate) |
| Thermal expansion | 20.5µm/m·Ksourcetypical, mean 20-300 °C | 3.1–4.5µm/m·Ksourceparallel to grain, ovendry wood, range across species |
| 100 mm part over a 50 °C swing | 103µm growth | 19µm growth5.39x less |
| Specific heat | 377J/kg·Ksourcetypical, 20 °C | 1,700J/kg·Ksourcesolid wood (all species), 12% MC, 27 C |
| Heats up and cools (diffusivity) | 36.2mm²/s | not sourced |
| Thermal shock resistance | 11,997W/m49.2x more resistant | 244W/m |
| Melting point | 888–899°Csourcesolidus-liquidus | not sourced |
| Values for | C36000 free-cutting brass, H02 half-hard rod 1 in. section (20% cold work), copper.org typical values | Northern red oak (Quercus rubra), clear straight-grained specimens at 12% MC, parallel to grain unless stated; USDA FPL Wood Handbook FPL-GTR-282 (2021) Ch. 4 and Ch. 5 |
Every value links to the document that states it. "Not sourced" means no citable source states it (or only a specification minimum); figures computed from it are left out too.
Questions
Is Brass C360 stronger than Wood?
Brass C360 is stronger: its yield strength is 310 MPa against tensile strength 99 MPa for Wood (3.13x).
Which is stiffer, Brass C360 or Wood?
Brass C360 is stiffer: Young's modulus 96.5 GPa against 12.5 GPa for Wood, so the same part in Brass C360 deflects less under the same load.
Which conducts heat better, Brass C360 or Wood?
Brass C360 conducts heat better: 116 W/m·K against 0.18 W/m·K for Wood.
Which expands less with temperature?
Wood expands less: 3.8 µm/m·K against 20.5 µm/m·K for Brass C360.