C72500 Copper-nickel vs. C52400 Bronze
Both C72500 copper-nickel and C52400 bronze are copper alloys. They have a moderately high 90% of their average alloy composition in common.
For each property being compared, the top bar is C72500 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 |
| Rockwell B Hardness | 75 to 100 | |
| 50 to 100 |
| Rockwell Superficial 30T Hardness | 62 to 89 | |
| 54 to 84 |
| Shear Modulus, GPa | 45 | |
| 41 |
| Tensile Strength: Ultimate (UTS), MPa | 420 to 780 | |
| 450 to 880 |
Thermal Properties
| Latent Heat of Fusion, J/g | 210 | |
| 190 |
| Maximum Temperature: Mechanical, °C | 210 | |
| 170 |
| Melting Completion (Liquidus), °C | 1130 | |
| 1000 |
| Melting Onset (Solidus), °C | 1060 | |
| 840 |
| Specific Heat Capacity, J/kg-K | 390 | |
| 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 | 35 | |
| 35 |
| Density, g/cm3 | 8.9 | |
| 8.8 |
| Embodied Carbon, kg CO2/kg material | 3.6 | |
| 3.6 |
| Embodied Energy, MJ/kg | 55 | |
| 58 |
| Embodied Water, L/kg | 320 | |
| 390 |
Common Calculations
| Stiffness to Weight: Axial, points | 7.6 | |
| 6.9 |
| Stiffness to Weight: Bending, points | 19 | |
| 18 |
| Strength to Weight: Axial, points | 13 to 24 | |
| 14 to 28 |
| Strength to Weight: Bending, points | 14 to 21 | |
| 15 to 23 |
| Thermal Diffusivity, mm2/s | 16 | |
| 15 |
| Thermal Shock Resistance, points | 14 to 27 | |
| 17 to 32 |
Alloy Composition
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| Copper (Cu), % | 85.2 to 89.7 | |
| 87.8 to 91 |
| Iron (Fe), % | 0 to 0.6 | |
| 0 to 0.1 |
| Lead (Pb), % | 0 to 0.050 | |
| 0 to 0.050 |
| Manganese (Mn), % | 0 to 0.2 | |
| 0 |
| Nickel (Ni), % | 8.5 to 10.5 | |
| 0 |
| Phosphorus (P), % | 0 | |
| 0.030 to 0.35 |
| Tin (Sn), % | 1.8 to 2.8 | |
| 9.0 to 11 |
| Zinc (Zn), % | 0 to 0.5 | |
| 0 to 0.2 |
| Residuals, % | 0 to 0.2 | |
| 0 to 0.5 |