C71000 Copper-nickel vs. Nickel 693
C71000 copper-nickel belongs to the copper alloys classification, while nickel 693 belongs to the nickel alloys. They have a modest 23% of their average alloy composition in common, which, by itself, doesn't mean much. There are 22 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.
For each property being compared, the top bar is C71000 copper-nickel and the bottom bar is nickel 693.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 130 | |
| 200 |
| Poisson's Ratio | 0.33 | |
| 0.28 |
| Shear Modulus, GPa | 49 | |
| 76 |
| Tensile Strength: Ultimate (UTS), MPa | 320 to 560 | |
| 660 |
Thermal Properties
| Latent Heat of Fusion, J/g | 230 | |
| 330 |
| Maximum Temperature: Mechanical, °C | 240 | |
| 1010 |
| Melting Completion (Liquidus), °C | 1200 | |
| 1350 |
| Melting Onset (Solidus), °C | 1150 | |
| 1310 |
| Specific Heat Capacity, J/kg-K | 400 | |
| 480 |
| Thermal Conductivity, W/m-K | 43 | |
| 9.1 |
| Thermal Expansion, µm/m-K | 15 | |
| 13 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 37 | |
| 60 |
| Density, g/cm3 | 8.9 | |
| 8.1 |
| Embodied Carbon, kg CO2/kg material | 4.3 | |
| 9.9 |
| Embodied Energy, MJ/kg | 63 | |
| 140 |
| Embodied Water, L/kg | 290 | |
| 320 |
Common Calculations
| Stiffness to Weight: Axial, points | 8.2 | |
| 13 |
| Stiffness to Weight: Bending, points | 19 | |
| 24 |
| Strength to Weight: Axial, points | 10 to 18 | |
| 23 |
| Strength to Weight: Bending, points | 12 to 17 | |
| 21 |
| Thermal Diffusivity, mm2/s | 12 | |
| 2.3 |
| Thermal Shock Resistance, points | 12 to 20 | |
| 19 |
Alloy Composition
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| Aluminum (Al), % | 0 | |
| 2.5 to 4.0 |
| Carbon (C), % | 0 | |
| 0 to 0.15 |
| Chromium (Cr), % | 0 | |
| 27 to 31 |
| Copper (Cu), % | 73.5 to 80.5 | |
| 0 to 0.5 |
| Iron (Fe), % | 0.5 to 1.0 | |
| 2.5 to 6.0 |
| Lead (Pb), % | 0 to 0.050 | |
| 0 |
| Manganese (Mn), % | 0 to 1.0 | |
| 0 to 1.0 |
| Nickel (Ni), % | 19 to 23 | |
| 53.3 to 67.5 |
| Niobium (Nb), % | 0 | |
| 0.5 to 2.5 |
| Silicon (Si), % | 0 | |
| 0 to 0.5 |
| Sulfur (S), % | 0 | |
| 0 to 0.010 |
| Titanium (Ti), % | 0 | |
| 0 to 1.0 |
| Zinc (Zn), % | 0 to 1.0 | |
| 0 |
| Residuals, % | 0 to 0.5 | |
| 0 |