C72700 Copper-nickel vs. C52400 Bronze
Both C72700 copper-nickel and C52400 bronze are copper alloys. They have a moderately high 90% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.
For each property being compared, the top bar is C72700 copper-nickel and the bottom bar is C52400 bronze.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 120 | |
| 110 |
| Poisson's Ratio | 0.34 | |
| 0.34 |
| Shear Modulus, GPa | 44 | |
| 41 |
| Tensile Strength: Ultimate (UTS), MPa | 460 to 1070 | |
| 450 to 880 |
Thermal Properties
| Latent Heat of Fusion, J/g | 210 | |
| 190 |
| Maximum Temperature: Mechanical, °C | 200 | |
| 170 |
| Melting Completion (Liquidus), °C | 1100 | |
| 1000 |
| Melting Onset (Solidus), °C | 930 | |
| 840 |
| Specific Heat Capacity, J/kg-K | 380 | |
| 370 |
| Thermal Conductivity, W/m-K | 54 | |
| 50 |
| Thermal Expansion, µm/m-K | 17 | |
| 18 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 11 | |
| 11 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 11 | |
| 11 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 36 | |
| 35 |
| Density, g/cm3 | 8.8 | |
| 8.8 |
| Embodied Carbon, kg CO2/kg material | 4.0 | |
| 3.6 |
| Embodied Energy, MJ/kg | 62 | |
| 58 |
| Embodied Water, L/kg | 350 | |
| 390 |
Common Calculations
| Stiffness to Weight: Axial, points | 7.4 | |
| 6.9 |
| Stiffness to Weight: Bending, points | 19 | |
| 18 |
| Strength to Weight: Axial, points | 14 to 34 | |
| 14 to 28 |
| Strength to Weight: Bending, points | 15 to 26 | |
| 15 to 23 |
| Thermal Diffusivity, mm2/s | 16 | |
| 15 |
| Thermal Shock Resistance, points | 16 to 38 | |
| 17 to 32 |
Alloy Composition
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| Copper (Cu), % | 82.1 to 86 | |
| 87.8 to 91 |
| Iron (Fe), % | 0 to 0.5 | |
| 0 to 0.1 |
| Lead (Pb), % | 0 to 0.020 | |
| 0 to 0.050 |
| Magnesium (Mg), % | 0 to 0.15 | |
| 0 |
| Manganese (Mn), % | 0.050 to 0.3 | |
| 0 |
| Nickel (Ni), % | 8.5 to 9.5 | |
| 0 |
| Niobium (Nb), % | 0 to 0.1 | |
| 0 |
| Phosphorus (P), % | 0 | |
| 0.030 to 0.35 |
| Tin (Sn), % | 5.5 to 6.5 | |
| 9.0 to 11 |
| Zinc (Zn), % | 0 to 0.5 | |
| 0 to 0.2 |
| Residuals, % | 0 to 0.3 | |
| 0 to 0.5 |