C47940 Brass vs. C82500 Copper
Both C47940 brass and C82500 copper are copper alloys. They have 65% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.
For each property being compared, the top bar is C47940 brass and the bottom bar is C82500 copper.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 100 | |
| 120 |
| Elongation at Break, % | 14 to 34 | |
| 1.0 to 20 |
| Poisson's Ratio | 0.31 | |
| 0.33 |
| Shear Modulus, GPa | 40 | |
| 45 |
| Tensile Strength: Ultimate (UTS), MPa | 380 to 520 | |
| 550 to 1100 |
| Tensile Strength: Yield (Proof), MPa | 160 to 390 | |
| 310 to 980 |
Thermal Properties
| Latent Heat of Fusion, J/g | 170 | |
| 240 |
| Maximum Temperature: Mechanical, °C | 130 | |
| 280 |
| Melting Completion (Liquidus), °C | 850 | |
| 980 |
| Melting Onset (Solidus), °C | 800 | |
| 860 |
| Specific Heat Capacity, J/kg-K | 380 | |
| 390 |
| Thermal Conductivity, W/m-K | 110 | |
| 130 |
| Thermal Expansion, µm/m-K | 20 | |
| 17 |
Otherwise Unclassified Properties
| Density, g/cm3 | 8.2 | |
| 8.8 |
| Embodied Carbon, kg CO2/kg material | 2.8 | |
| 10 |
| Embodied Energy, MJ/kg | 47 | |
| 160 |
| Embodied Water, L/kg | 330 | |
| 310 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 68 to 100 | |
| 11 to 94 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 120 to 740 | |
| 400 to 4000 |
| Stiffness to Weight: Axial, points | 7.1 | |
| 7.7 |
| Stiffness to Weight: Bending, points | 19 | |
| 19 |
| Strength to Weight: Axial, points | 13 to 17 | |
| 18 to 35 |
| Strength to Weight: Bending, points | 14 to 17 | |
| 17 to 27 |
| Thermal Diffusivity, mm2/s | 36 | |
| 38 |
| Thermal Shock Resistance, points | 13 to 17 | |
| 19 to 38 |
Alloy Composition
| Aluminum (Al), % | 0 | |
| 0 to 0.15 |
| Beryllium (Be), % | 0 | |
| 1.9 to 2.3 |
| Chromium (Cr), % | 0 | |
| 0 to 0.1 |
| Cobalt (Co), % | 0 | |
| 0.15 to 0.7 |
| Copper (Cu), % | 63 to 66 | |
| 95.3 to 97.8 |
| Iron (Fe), % | 0.1 to 1.0 | |
| 0 to 0.25 |
| Lead (Pb), % | 1.0 to 2.0 | |
| 0 to 0.020 |
| Nickel (Ni), % | 0.1 to 0.5 | |
| 0 to 0.2 |
| Silicon (Si), % | 0 | |
| 0.2 to 0.35 |
| Tin (Sn), % | 1.2 to 2.0 | |
| 0 to 0.1 |
| Titanium (Ti), % | 0 | |
| 0 to 0.12 |
| Zinc (Zn), % | 28.1 to 34.6 | |
| 0 to 0.1 |
| Residuals, % | 0 | |
| 0 to 0.5 |