C70620 Copper-nickel vs. ASTM B631 Class A
C70620 copper-nickel belongs to the copper alloys classification, while ASTM B631 class A belongs to the otherwise unclassified metals. There are 15 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.
For each property being compared, the top bar is C70620 copper-nickel and the bottom bar is ASTM B631 class A.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 120 | |
| 220 |
| Poisson's Ratio | 0.34 | |
| 0.3 |
| Rockwell B Hardness | 65 to 87 | |
| 63 to 98 |
| Shear Modulus, GPa | 46 | |
| 85 to 86 |
Thermal Properties
| Latent Heat of Fusion, J/g | 220 | |
| 160 |
| Melting Completion (Liquidus), °C | 1120 | |
| 2680 to 2690 |
| Specific Heat Capacity, J/kg-K | 390 | |
| 160 |
| Thermal Conductivity, W/m-K | 49 | |
| 420 |
| Thermal Expansion, µm/m-K | 17 | |
| 11 |
Otherwise Unclassified Properties
| Density, g/cm3 | 8.9 | |
| 15 |
| Embodied Carbon, kg CO2/kg material | 3.4 | |
| 43 |
| Embodied Energy, MJ/kg | 51 | |
| 670 |
Common Calculations
| Stiffness to Weight: Axial, points | 7.7 | |
| 8.5 |
| Stiffness to Weight: Bending, points | 19 | |
| 14 |
| Thermal Diffusivity, mm2/s | 14 | |
| 180 |