C70400 Copper-nickel vs. C43500 Brass
Both C70400 copper-nickel and C43500 brass are copper alloys. They have 82% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.
For each property being compared, the top bar is C70400 copper-nickel and the bottom bar is C43500 brass.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 120 | |
| 110 |
| Poisson's Ratio | 0.34 | |
| 0.32 |
| Shear Modulus, GPa | 45 | |
| 42 |
| Tensile Strength: Ultimate (UTS), MPa | 300 to 310 | |
| 320 to 530 |
| Tensile Strength: Yield (Proof), MPa | 95 to 230 | |
| 120 to 480 |
Thermal Properties
| Latent Heat of Fusion, J/g | 210 | |
| 190 |
| Maximum Temperature: Mechanical, °C | 210 | |
| 160 |
| Melting Completion (Liquidus), °C | 1120 | |
| 1000 |
| Melting Onset (Solidus), °C | 1060 | |
| 970 |
| Specific Heat Capacity, J/kg-K | 390 | |
| 380 |
| Thermal Conductivity, W/m-K | 64 | |
| 120 |
| Thermal Expansion, µm/m-K | 17 | |
| 19 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 14 | |
| 28 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 14 | |
| 30 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 32 | |
| 28 |
| Density, g/cm3 | 8.9 | |
| 8.5 |
| Embodied Carbon, kg CO2/kg material | 3.0 | |
| 2.7 |
| Embodied Energy, MJ/kg | 47 | |
| 45 |
| Embodied Water, L/kg | 300 | |
| 320 |
Common Calculations
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 38 to 220 | |
| 65 to 1040 |
| Stiffness to Weight: Axial, points | 7.5 | |
| 7.2 |
| Stiffness to Weight: Bending, points | 19 | |
| 19 |
| Strength to Weight: Axial, points | 9.3 to 9.8 | |
| 10 to 17 |
| Strength to Weight: Bending, points | 11 to 12 | |
| 12 to 17 |
| Thermal Diffusivity, mm2/s | 18 | |
| 37 |
| Thermal Shock Resistance, points | 10 to 11 | |
| 11 to 18 |
Alloy Composition
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| Copper (Cu), % | 89.8 to 93.6 | |
| 79 to 83 |
| Iron (Fe), % | 1.3 to 1.7 | |
| 0 to 0.050 |
| Lead (Pb), % | 0 to 0.050 | |
| 0 to 0.090 |
| Manganese (Mn), % | 0.3 to 0.8 | |
| 0 |
| Nickel (Ni), % | 4.8 to 6.2 | |
| 0 |
| Tin (Sn), % | 0 | |
| 0.6 to 1.2 |
| Zinc (Zn), % | 0 to 1.0 | |
| 15.4 to 20.4 |
| Residuals, % | 0 to 0.5 | |
| 0 to 0.3 |