C70620 Copper-nickel vs. C72200 Copper-nickel
Both C70620 copper-nickel and C72200 copper-nickel are copper alloys. They have a moderately high 93% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.
For each property being compared, the top bar is C70620 copper-nickel and the bottom bar is C72200 copper-nickel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 120 | |
| 130 |
| Poisson's Ratio | 0.34 | |
| 0.33 |
| Rockwell B Hardness | 65 to 87 | |
| 71 to 86 |
| Rockwell Superficial 30T Hardness | 61 to 75 | |
| 64 to 75 |
| Shear Modulus, GPa | 46 | |
| 48 |
| Tensile Strength: Ultimate (UTS), MPa | 300 to 570 | |
| 350 to 580 |
Thermal Properties
| Latent Heat of Fusion, J/g | 220 | |
| 220 |
| Maximum Temperature: Mechanical, °C | 220 | |
| 230 |
| Melting Completion (Liquidus), °C | 1120 | |
| 1180 |
| Melting Onset (Solidus), °C | 1060 | |
| 1120 |
| Specific Heat Capacity, J/kg-K | 390 | |
| 400 |
| Thermal Conductivity, W/m-K | 49 | |
| 34 |
| Thermal Expansion, µm/m-K | 17 | |
| 16 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 33 | |
| 36 |
| Density, g/cm3 | 8.9 | |
| 8.9 |
| Embodied Carbon, kg CO2/kg material | 3.4 | |
| 3.9 |
| Embodied Energy, MJ/kg | 51 | |
| 59 |
| Embodied Water, L/kg | 300 | |
| 300 |
Common Calculations
| Stiffness to Weight: Axial, points | 7.7 | |
| 8.0 |
| Stiffness to Weight: Bending, points | 19 | |
| 19 |
| Strength to Weight: Axial, points | 9.3 to 18 | |
| 11 to 18 |
| Strength to Weight: Bending, points | 11 to 17 | |
| 12 to 17 |
| Thermal Diffusivity, mm2/s | 14 | |
| 9.6 |
| Thermal Shock Resistance, points | 10 to 20 | |
| 12 to 20 |
Alloy Composition
Deprecated: Automatic conversion of false to array is deprecated in /home/public/compare.php on line 452
| Carbon (C), % | 0 to 0.050 | |
| 0 |
| Chromium (Cr), % | 0 | |
| 0.3 to 0.7 |
| Copper (Cu), % | 86.5 to 90 | |
| 78.1 to 84.2 |
| Iron (Fe), % | 1.0 to 1.8 | |
| 0.5 to 1.0 |
| Lead (Pb), % | 0 to 0.020 | |
| 0 to 0.050 |
| Manganese (Mn), % | 0 to 1.0 | |
| 0 to 1.0 |
| Nickel (Ni), % | 9.0 to 11 | |
| 15 to 18 |
| Phosphorus (P), % | 0 to 0.2 | |
| 0 |
| Sulfur (S), % | 0 to 0.020 | |
| 0 |
| Zinc (Zn), % | 0 to 0.5 | |
| 0 to 1.0 |
| Residuals, % | 0 to 0.5 | |
| 0 to 0.2 |