C81500 Copper vs. C95520 Bronze
Both C81500 copper and C95520 bronze are copper alloys. Both are furnished in the heat treated (HT) condition. They have 78% of their average alloy composition in common.
For each property being compared, the top bar is C81500 copper and the bottom bar is C95520 bronze.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 110 | |
| 280 |
| Elastic (Young's, Tensile) Modulus, GPa | 120 | |
| 120 |
| Elongation at Break, % | 17 | |
| 2.6 |
| Poisson's Ratio | 0.34 | |
| 0.33 |
| Shear Modulus, GPa | 44 | |
| 44 |
| Tensile Strength: Ultimate (UTS), MPa | 350 | |
| 970 |
| Tensile Strength: Yield (Proof), MPa | 280 | |
| 530 |
Thermal Properties
| Latent Heat of Fusion, J/g | 210 | |
| 240 |
| Maximum Temperature: Mechanical, °C | 200 | |
| 240 |
| Melting Completion (Liquidus), °C | 1090 | |
| 1070 |
| Melting Onset (Solidus), °C | 1080 | |
| 1020 |
| Specific Heat Capacity, J/kg-K | 390 | |
| 450 |
| Thermal Conductivity, W/m-K | 320 | |
| 40 |
| Thermal Expansion, µm/m-K | 17 | |
| 18 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 82 | |
| 11 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 83 | |
| 12 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 31 | |
| 29 |
| Density, g/cm3 | 8.9 | |
| 8.2 |
| Embodied Carbon, kg CO2/kg material | 2.6 | |
| 3.6 |
| Embodied Energy, MJ/kg | 41 | |
| 58 |
| Embodied Water, L/kg | 310 | |
| 390 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 56 | |
| 21 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 330 | |
| 1210 |
| Stiffness to Weight: Axial, points | 7.3 | |
| 8.0 |
| Stiffness to Weight: Bending, points | 18 | |
| 20 |
| Strength to Weight: Axial, points | 11 | |
| 33 |
| Strength to Weight: Bending, points | 12 | |
| 27 |
| Thermal Diffusivity, mm2/s | 91 | |
| 11 |
| Thermal Shock Resistance, points | 12 | |
| 33 |
Alloy Composition
| Aluminum (Al), % | 0 to 0.1 | |
| 10.5 to 11.5 |
| Chromium (Cr), % | 0.4 to 1.5 | |
| 0 to 0.050 |
| Cobalt (Co), % | 0 | |
| 0 to 0.2 |
| Copper (Cu), % | 97.4 to 99.6 | |
| 74.5 to 81.3 |
| Iron (Fe), % | 0 to 0.1 | |
| 4.0 to 5.5 |
| Lead (Pb), % | 0 to 0.020 | |
| 0 to 0.030 |
| Manganese (Mn), % | 0 | |
| 0 to 1.5 |
| Nickel (Ni), % | 0 | |
| 4.2 to 6.0 |
| Silicon (Si), % | 0 to 0.15 | |
| 0 to 0.15 |
| Tin (Sn), % | 0 to 0.1 | |
| 0 to 0.25 |
| Zinc (Zn), % | 0 to 0.1 | |
| 0 to 0.3 |
| Residuals, % | 0 | |
| 0 to 0.5 |