M20 C70620 Copper-nickel vs. M20 C73500 Nickel Silver
Both M20 C70620 copper-nickel and M20 C73500 nickel silver are copper alloys. Both are furnished in the M20 (as hot rolled) condition. They have 83% of their average alloy composition in common. There are 22 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 M20 C70620 copper-nickel and the bottom bar is M20 C73500 nickel silver.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 120 | |
| 130 |
| Poisson's Ratio | 0.34 | |
| 0.33 |
| Shear Modulus, GPa | 46 | |
| 47 |
| Tensile Strength: Ultimate (UTS), MPa | 350 | |
| 380 |
Thermal Properties
| Latent Heat of Fusion, J/g | 220 | |
| 210 |
| Maximum Temperature: Mechanical, °C | 220 | |
| 220 |
| Melting Completion (Liquidus), °C | 1120 | |
| 1140 |
| Melting Onset (Solidus), °C | 1060 | |
| 1090 |
| Specific Heat Capacity, J/kg-K | 390 | |
| 400 |
| Thermal Conductivity, W/m-K | 49 | |
| 36 |
| Thermal Expansion, µm/m-K | 17 | |
| 17 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 33 | |
| 35 |
| Density, g/cm3 | 8.9 | |
| 8.7 |
| Embodied Carbon, kg CO2/kg material | 3.4 | |
| 4.0 |
| Embodied Energy, MJ/kg | 51 | |
| 61 |
| 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 | 11 | |
| 12 |
| Strength to Weight: Bending, points | 12 | |
| 13 |
| Thermal Diffusivity, mm2/s | 14 | |
| 10 |
| Thermal Shock Resistance, points | 12 | |
| 13 |
Alloy Composition
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| Carbon (C), % | 0 to 0.050 | |
| 0 |
| Copper (Cu), % | 86.5 to 90 | |
| 70.5 to 73.5 |
| Iron (Fe), % | 1.0 to 1.8 | |
| 0 to 0.25 |
| Lead (Pb), % | 0 to 0.020 | |
| 0 to 0.1 |
| Manganese (Mn), % | 0 to 1.0 | |
| 0 to 0.5 |
| Nickel (Ni), % | 9.0 to 11 | |
| 16.5 to 19.5 |
| Phosphorus (P), % | 0 to 0.2 | |
| 0 |
| Sulfur (S), % | 0 to 0.020 | |
| 0 |
| Zinc (Zn), % | 0 to 0.5 | |
| 5.7 to 13 |
| Residuals, % | 0 to 0.5 | |
| 0 to 0.5 |