C71640 Copper-nickel vs. SAE-AISI M62 Steel
C71640 copper-nickel belongs to the copper alloys classification, while SAE-AISI M62 steel belongs to the iron alloys. There are 19 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.
For each property being compared, the top bar is C71640 copper-nickel and the bottom bar is SAE-AISI M62 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 140 | |
| 200 |
| Poisson's Ratio | 0.33 | |
| 0.29 |
| Shear Modulus, GPa | 52 | |
| 79 |
| Tensile Strength: Ultimate (UTS), MPa | 490 to 630 | |
| 830 to 2440 |
Thermal Properties
| Latent Heat of Fusion, J/g | 240 | |
| 260 |
| Melting Completion (Liquidus), °C | 1180 | |
| 1650 |
| Melting Onset (Solidus), °C | 1120 | |
| 1600 |
| Specific Heat Capacity, J/kg-K | 410 | |
| 430 |
| Thermal Expansion, µm/m-K | 15 | |
| 12 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 40 | |
| 30 |
| Density, g/cm3 | 8.9 | |
| 8.5 |
| Embodied Carbon, kg CO2/kg material | 5.0 | |
| 10 |
| Embodied Energy, MJ/kg | 73 | |
| 150 |
| Embodied Water, L/kg | 280 | |
| 110 |
Common Calculations
| Stiffness to Weight: Axial, points | 8.7 | |
| 13 |
| Stiffness to Weight: Bending, points | 20 | |
| 23 |
| Strength to Weight: Axial, points | 15 to 20 | |
| 27 to 80 |
| Strength to Weight: Bending, points | 16 to 18 | |
| 23 to 47 |
| Thermal Shock Resistance, points | 16 to 21 | |
| 24 to 71 |
Alloy Composition
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| Carbon (C), % | 0 | |
| 1.3 to 1.4 |
| Chromium (Cr), % | 0 | |
| 3.5 to 4.0 |
| Copper (Cu), % | 61.7 to 67.8 | |
| 0 to 0.25 |
| Iron (Fe), % | 1.7 to 2.3 | |
| 73.6 to 77.4 |
| Lead (Pb), % | 0 to 0.050 | |
| 0 |
| Manganese (Mn), % | 1.5 to 2.5 | |
| 0.15 to 0.4 |
| Molybdenum (Mo), % | 0 | |
| 10 to 11 |
| Nickel (Ni), % | 29 to 32 | |
| 0 to 0.3 |
| Phosphorus (P), % | 0 | |
| 0 to 0.030 |
| Silicon (Si), % | 0 | |
| 0.15 to 0.4 |
| Sulfur (S), % | 0 | |
| 0 to 0.030 |
| Tungsten (W), % | 0 | |
| 5.8 to 6.5 |
| Vanadium (V), % | 0 | |
| 1.8 to 2.1 |
| Zinc (Zn), % | 0 to 1.0 | |
| 0 |
| Residuals, % | 0 to 0.5 | |
| 0 |