C65500 Bronze vs. C70400 Copper-nickel
Both C65500 bronze and C70400 copper-nickel are copper alloys. They have a moderately high 94% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.
For each property being compared, the top bar is C65500 bronze and the bottom bar is C70400 copper-nickel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 120 | |
| 120 |
| Poisson's Ratio | 0.34 | |
| 0.34 |
| Shear Modulus, GPa | 43 | |
| 45 |
| Tensile Strength: Ultimate (UTS), MPa | 360 to 760 | |
| 300 to 310 |
| Tensile Strength: Yield (Proof), MPa | 120 to 430 | |
| 95 to 230 |
Thermal Properties
| Latent Heat of Fusion, J/g | 260 | |
| 210 |
| Maximum Temperature: Mechanical, °C | 200 | |
| 210 |
| Melting Completion (Liquidus), °C | 1030 | |
| 1120 |
| Melting Onset (Solidus), °C | 970 | |
| 1060 |
| Specific Heat Capacity, J/kg-K | 400 | |
| 390 |
| Thermal Conductivity, W/m-K | 36 | |
| 64 |
| Thermal Expansion, µm/m-K | 18 | |
| 17 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.0 | |
| 14 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 7.3 | |
| 14 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 29 | |
| 32 |
| Density, g/cm3 | 8.6 | |
| 8.9 |
| Embodied Carbon, kg CO2/kg material | 2.7 | |
| 3.0 |
| Embodied Energy, MJ/kg | 42 | |
| 47 |
| Embodied Water, L/kg | 300 | |
| 300 |
Common Calculations
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 62 to 790 | |
| 38 to 220 |
| Stiffness to Weight: Axial, points | 7.5 | |
| 7.5 |
| Stiffness to Weight: Bending, points | 19 | |
| 19 |
| Strength to Weight: Axial, points | 12 to 24 | |
| 9.3 to 9.8 |
| Strength to Weight: Bending, points | 13 to 21 | |
| 11 to 12 |
| Thermal Diffusivity, mm2/s | 10 | |
| 18 |
| Thermal Shock Resistance, points | 12 to 26 | |
| 10 to 11 |
Alloy Composition
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| Copper (Cu), % | 91.5 to 96.7 | |
| 89.8 to 93.6 |
| Iron (Fe), % | 0 to 0.8 | |
| 1.3 to 1.7 |
| Lead (Pb), % | 0 to 0.050 | |
| 0 to 0.050 |
| Manganese (Mn), % | 0.5 to 1.3 | |
| 0.3 to 0.8 |
| Nickel (Ni), % | 0 to 0.6 | |
| 4.8 to 6.2 |
| Silicon (Si), % | 2.8 to 3.8 | |
| 0 |
| Zinc (Zn), % | 0 to 1.5 | |
| 0 to 1.0 |
| Residuals, % | 0 to 0.5 | |
| 0 to 0.5 |