C71640 Copper-nickel vs. Type 2 Pewter
C71640 copper-nickel belongs to the copper alloys classification, while Type 2 pewter belongs to the otherwise unclassified metals. 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 Type 2 pewter.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 140 | |
| 52 |
| Poisson's Ratio | 0.33 | |
| 0.35 |
| Shear Modulus, GPa | 52 | |
| 19 |
| Tensile Strength: Ultimate (UTS), MPa | 490 to 630 | |
| 52 to 68 |
Thermal Properties
| Latent Heat of Fusion, J/g | 240 | |
| 69 |
| Melting Completion (Liquidus), °C | 1180 | |
| 300 |
| Melting Onset (Solidus), °C | 1120 | |
| 240 |
| Specific Heat Capacity, J/kg-K | 410 | |
| 220 |
| Thermal Expansion, µm/m-K | 15 | |
| 21 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 40 | |
| 75 |
| Density, g/cm3 | 8.9 | |
| 7.3 |
| Embodied Carbon, kg CO2/kg material | 5.0 | |
| 12 |
| Embodied Energy, MJ/kg | 73 | |
| 210 |
| Embodied Water, L/kg | 280 | |
| 1220 |
Common Calculations
| Stiffness to Weight: Axial, points | 8.7 | |
| 3.9 |
| Stiffness to Weight: Bending, points | 20 | |
| 17 |
| Strength to Weight: Axial, points | 15 to 20 | |
| 2.0 to 2.6 |
| Strength to Weight: Bending, points | 16 to 18 | |
| 4.3 to 5.1 |
| Thermal Shock Resistance, points | 16 to 21 | |
| 3.4 to 4.4 |
Alloy Composition
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| Antimony (Sb), % | 0 | |
| 5.0 to 7.5 |
| Arsenic (As), % | 0 | |
| 0 to 0.050 |
| Copper (Cu), % | 61.7 to 67.8 | |
| 1.5 to 3.0 |
| Iron (Fe), % | 1.7 to 2.3 | |
| 0 to 0.015 |
| Lead (Pb), % | 0 to 0.050 | |
| 0 to 0.050 |
| Manganese (Mn), % | 1.5 to 2.5 | |
| 0 |
| Nickel (Ni), % | 29 to 32 | |
| 0 |
| Tin (Sn), % | 0 | |
| 90 to 93 |
| Zinc (Zn), % | 0 to 1.0 | |
| 0 to 0.0050 |
| Residuals, % | 0 to 0.5 | |
| 0 |