C70620 Copper-nickel vs. C28500 Muntz Metal
Both C70620 copper-nickel and C28500 Muntz Metal are copper alloys. They have 59% of their average alloy composition in common. There are 23 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 C70620 copper-nickel and the bottom bar is C28500 Muntz Metal.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 120 | |
| 100 |
| Poisson's Ratio | 0.34 | |
| 0.3 |
| Rockwell B Hardness | 65 to 87 | |
| 150 |
| Shear Modulus, GPa | 46 | |
| 40 |
| Tensile Strength: Ultimate (UTS), MPa | 300 to 570 | |
| 520 |
Thermal Properties
| Latent Heat of Fusion, J/g | 220 | |
| 170 |
| Maximum Temperature: Mechanical, °C | 220 | |
| 110 |
| Melting Completion (Liquidus), °C | 1120 | |
| 900 |
| Melting Onset (Solidus), °C | 1060 | |
| 890 |
| Specific Heat Capacity, J/kg-K | 390 | |
| 390 |
| Thermal Conductivity, W/m-K | 49 | |
| 100 |
| Thermal Expansion, µm/m-K | 17 | |
| 21 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 33 | |
| 22 |
| Density, g/cm3 | 8.9 | |
| 7.9 |
| Embodied Carbon, kg CO2/kg material | 3.4 | |
| 2.7 |
| Embodied Energy, MJ/kg | 51 | |
| 46 |
| Embodied Water, L/kg | 300 | |
| 320 |
Common Calculations
| Stiffness to Weight: Axial, points | 7.7 | |
| 7.3 |
| Stiffness to Weight: Bending, points | 19 | |
| 20 |
| Strength to Weight: Axial, points | 9.3 to 18 | |
| 18 |
| Strength to Weight: Bending, points | 11 to 17 | |
| 18 |
| Thermal Diffusivity, mm2/s | 14 | |
| 33 |
| Thermal Shock Resistance, points | 10 to 20 | |
| 17 |
Alloy Composition
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| Carbon (C), % | 0 to 0.050 | |
| 0 |
| Copper (Cu), % | 86.5 to 90 | |
| 57 to 59 |
| Iron (Fe), % | 1.0 to 1.8 | |
| 0 to 0.35 |
| Lead (Pb), % | 0 to 0.020 | |
| 0 to 0.25 |
| Manganese (Mn), % | 0 to 1.0 | |
| 0 |
| Nickel (Ni), % | 9.0 to 11 | |
| 0 |
| Phosphorus (P), % | 0 to 0.2 | |
| 0 |
| Sulfur (S), % | 0 to 0.020 | |
| 0 |
| Zinc (Zn), % | 0 to 0.5 | |
| 39.5 to 43 |
| Residuals, % | 0 to 0.5 | |
| 0 to 0.9 |