C70700 Copper-nickel vs. C55280 Copper
Both C70700 copper-nickel and C55280 copper are copper alloys. They have 90% of their average alloy composition in common. There are 18 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.
For each property being compared, the top bar is C70700 copper-nickel and the bottom bar is C55280 copper.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 120 | |
| 110 |
| Poisson's Ratio | 0.34 | |
| 0.34 |
| Shear Modulus, GPa | 46 | |
| 40 |
| Tensile Strength: Ultimate (UTS), MPa | 320 | |
| 180 |
Thermal Properties
| Latent Heat of Fusion, J/g | 220 | |
| 190 |
| Maximum Temperature: Mechanical, °C | 220 | |
| 200 |
| Melting Completion (Liquidus), °C | 1120 | |
| 790 |
| Melting Onset (Solidus), °C | 1060 | |
| 640 |
| Specific Heat Capacity, J/kg-K | 390 | |
| 410 |
| Thermal Expansion, µm/m-K | 16 | |
| 16 |
Otherwise Unclassified Properties
| Density, g/cm3 | 8.9 | |
| 8.5 |
| Embodied Carbon, kg CO2/kg material | 3.4 | |
| 4.2 |
| Embodied Energy, MJ/kg | 52 | |
| 67 |
Common Calculations
| Stiffness to Weight: Axial, points | 7.6 | |
| 6.9 |
| Stiffness to Weight: Bending, points | 19 | |
| 19 |
| Strength to Weight: Axial, points | 10 | |
| 5.9 |
| Strength to Weight: Bending, points | 12 | |
| 8.3 |
| Thermal Shock Resistance, points | 12 | |
| 7.4 |
Alloy Composition
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| Copper (Cu), % | 88.5 to 90.5 | |
| 90.5 to 91.4 |
| Iron (Fe), % | 0 to 0.050 | |
| 0 |
| Manganese (Mn), % | 0 to 0.5 | |
| 0 |
| Nickel (Ni), % | 9.5 to 10.5 | |
| 0 |
| Phosphorus (P), % | 0 | |
| 6.8 to 7.2 |
| Silver (Ag), % | 0 | |
| 1.8 to 2.2 |
| Residuals, % | 0 to 0.5 | |
| 0 to 0.15 |