C71000 Copper-nickel vs. Type 2 Magnetic Alloy
C71000 copper-nickel belongs to the copper alloys classification, while Type 2 magnetic alloy belongs to the iron alloys. They have a modest 22% of their average alloy composition in common, which, by itself, doesn't mean much. There are 21 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 Type 2 magnetic alloy.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 130 | |
| 190 |
| Poisson's Ratio | 0.33 | |
| 0.3 |
| Shear Modulus, GPa | 49 | |
| 72 |
| Tensile Strength: Ultimate (UTS), MPa | 320 to 560 | |
| 510 to 910 |
Thermal Properties
| Latent Heat of Fusion, J/g | 230 | |
| 270 |
| Melting Completion (Liquidus), °C | 1200 | |
| 1420 |
| Melting Onset (Solidus), °C | 1150 | |
| 1370 |
| Specific Heat Capacity, J/kg-K | 400 | |
| 460 |
| Thermal Expansion, µm/m-K | 15 | |
| 12 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 6.5 | |
| 3.9 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 6.6 | |
| 4.2 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 37 | |
| 33 |
| Density, g/cm3 | 8.9 | |
| 8.4 |
| Embodied Carbon, kg CO2/kg material | 4.3 | |
| 5.9 |
| Embodied Energy, MJ/kg | 63 | |
| 81 |
| Embodied Water, L/kg | 290 | |
| 140 |
Common Calculations
| Stiffness to Weight: Axial, points | 8.2 | |
| 12 |
| Stiffness to Weight: Bending, points | 19 | |
| 23 |
| Strength to Weight: Axial, points | 10 to 18 | |
| 17 to 30 |
| Strength to Weight: Bending, points | 12 to 17 | |
| 17 to 25 |
| Thermal Shock Resistance, points | 12 to 20 | |
| 16 to 29 |
Alloy Composition
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| Carbon (C), % | 0 | |
| 0 to 0.050 |
| Chromium (Cr), % | 0 | |
| 0 to 0.3 |
| Cobalt (Co), % | 0 | |
| 0 to 0.5 |
| Copper (Cu), % | 73.5 to 80.5 | |
| 0 to 0.3 |
| Iron (Fe), % | 0.5 to 1.0 | |
| 48.2 to 53 |
| Lead (Pb), % | 0 to 0.050 | |
| 0 |
| Manganese (Mn), % | 0 to 1.0 | |
| 0 to 0.8 |
| Molybdenum (Mo), % | 0 | |
| 0 to 0.3 |
| Nickel (Ni), % | 19 to 23 | |
| 47 to 49 |
| Phosphorus (P), % | 0 | |
| 0 to 0.010 |
| Silicon (Si), % | 0 | |
| 0 to 0.5 |
| Sulfur (S), % | 0 | |
| 0 to 0.030 |
| Zinc (Zn), % | 0 to 1.0 | |
| 0 |
| Residuals, % | 0 to 0.5 | |
| 0 |