C72900 Copper-nickel vs. C63020 Bronze
Both C72900 copper-nickel and C63020 bronze are copper alloys. They have 82% of their average alloy composition in common. There are 27 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.
For each property being compared, the top bar is C72900 copper-nickel and the bottom bar is C63020 bronze.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 120 | |
| 120 |
| Elongation at Break, % | 6.0 to 20 | |
| 6.8 |
| Poisson's Ratio | 0.34 | |
| 0.33 |
| Shear Modulus, GPa | 45 | |
| 44 |
| Shear Strength, MPa | 540 to 630 | |
| 600 |
| Tensile Strength: Ultimate (UTS), MPa | 870 to 1080 | |
| 1020 |
| Tensile Strength: Yield (Proof), MPa | 700 to 920 | |
| 740 |
Thermal Properties
| Latent Heat of Fusion, J/g | 210 | |
| 230 |
| Maximum Temperature: Mechanical, °C | 210 | |
| 230 |
| Melting Completion (Liquidus), °C | 1120 | |
| 1070 |
| Melting Onset (Solidus), °C | 950 | |
| 1020 |
| Specific Heat Capacity, J/kg-K | 380 | |
| 450 |
| Thermal Conductivity, W/m-K | 29 | |
| 40 |
| Thermal Expansion, µm/m-K | 17 | |
| 18 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 39 | |
| 29 |
| Density, g/cm3 | 8.8 | |
| 8.2 |
| Embodied Carbon, kg CO2/kg material | 4.6 | |
| 3.6 |
| Embodied Energy, MJ/kg | 72 | |
| 58 |
| Embodied Water, L/kg | 360 | |
| 390 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 49 to 210 | |
| 63 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 2030 to 3490 | |
| 2320 |
| Stiffness to Weight: Axial, points | 7.6 | |
| 8.0 |
| Stiffness to Weight: Bending, points | 19 | |
| 20 |
| Strength to Weight: Axial, points | 27 to 34 | |
| 34 |
| Strength to Weight: Bending, points | 23 to 27 | |
| 27 |
| Thermal Diffusivity, mm2/s | 8.6 | |
| 11 |
| Thermal Shock Resistance, points | 31 to 38 | |
| 35 |
Alloy Composition
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| Aluminum (Al), % | 0 | |
| 10 to 11 |
| Chromium (Cr), % | 0 | |
| 0 to 0.050 |
| Cobalt (Co), % | 0 | |
| 0 to 0.2 |
| Copper (Cu), % | 74.1 to 78 | |
| 74.7 to 81.8 |
| Iron (Fe), % | 0 to 0.5 | |
| 4.0 to 5.5 |
| Lead (Pb), % | 0 to 0.020 | |
| 0 to 0.030 |
| Magnesium (Mg), % | 0 to 0.15 | |
| 0 |
| Manganese (Mn), % | 0 to 0.3 | |
| 0 to 1.5 |
| Nickel (Ni), % | 14.5 to 15.5 | |
| 4.2 to 6.0 |
| Niobium (Nb), % | 0 to 0.1 | |
| 0 |
| Tin (Sn), % | 7.5 to 8.5 | |
| 0 to 0.25 |
| Zinc (Zn), % | 0 to 0.5 | |
| 0 to 0.3 |
| Residuals, % | 0 to 0.3 | |
| 0 to 0.5 |