H02 C70620 Copper-nickel vs. H02 C72200 Copper-nickel
Both H02 C70620 copper-nickel and H02 C72200 copper-nickel are copper alloys. Both are furnished in the H02 (half hard) temper. 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 H02 C70620 copper-nickel and the bottom bar is H02 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 | 74 | |
| 76 |
| Rockwell Superficial 30T Hardness | 67 | |
| 67 |
| Shear Modulus, GPa | 46 | |
| 48 |
| Tensile Strength: Ultimate (UTS), MPa | 450 | |
| 450 |
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 | 14 | |
| 14 |
| Strength to Weight: Bending, points | 15 | |
| 15 |
| Thermal Diffusivity, mm2/s | 14 | |
| 9.6 |
| Thermal Shock Resistance, points | 15 | |
| 15 |
Alloy Composition
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| 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 |