C72700 Copper-nickel vs. Type 1 Magnetic Alloy
C72700 copper-nickel belongs to the copper alloys classification, while Type 1 magnetic alloy belongs to the iron alloys. There are 25 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.
For each property being compared, the top bar is C72700 copper-nickel and the bottom bar is Type 1 magnetic alloy.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 120 | |
| 190 |
| Elongation at Break, % | 4.0 to 36 | |
| 4.0 to 38 |
| Poisson's Ratio | 0.34 | |
| 0.3 |
| Shear Modulus, GPa | 44 | |
| 72 |
| Tensile Strength: Ultimate (UTS), MPa | 460 to 1070 | |
| 500 to 830 |
| Tensile Strength: Yield (Proof), MPa | 580 to 1060 | |
| 220 to 790 |
Thermal Properties
| Latent Heat of Fusion, J/g | 210 | |
| 270 |
| Melting Completion (Liquidus), °C | 1100 | |
| 1420 |
| Melting Onset (Solidus), °C | 930 | |
| 1370 |
| Specific Heat Capacity, J/kg-K | 380 | |
| 460 |
| Thermal Expansion, µm/m-K | 17 | |
| 12 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 11 | |
| 3.1 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 11 | |
| 3.4 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 36 | |
| 31 |
| Density, g/cm3 | 8.8 | |
| 8.3 |
| Embodied Carbon, kg CO2/kg material | 4.0 | |
| 5.6 |
| Embodied Energy, MJ/kg | 62 | |
| 77 |
| Embodied Water, L/kg | 350 | |
| 130 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 20 to 380 | |
| 33 to 150 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 1420 to 4770 | |
| 130 to 1690 |
| Stiffness to Weight: Axial, points | 7.4 | |
| 12 |
| Stiffness to Weight: Bending, points | 19 | |
| 23 |
| Strength to Weight: Axial, points | 14 to 34 | |
| 17 to 28 |
| Strength to Weight: Bending, points | 15 to 26 | |
| 17 to 24 |
| Thermal Shock Resistance, points | 16 to 38 | |
| 16 to 26 |
Alloy Composition
| Carbon (C), % | 0 | |
| 0 to 0.050 |
| Chromium (Cr), % | 0 | |
| 0 to 0.3 |
| Cobalt (Co), % | 0 | |
| 0 to 0.5 |
| Copper (Cu), % | 82.1 to 86 | |
| 0 to 0.3 |
| Iron (Fe), % | 0 to 0.5 | |
| 50.7 to 56.5 |
| Lead (Pb), % | 0 to 0.020 | |
| 0 |
| Magnesium (Mg), % | 0 to 0.15 | |
| 0 |
| Manganese (Mn), % | 0.050 to 0.3 | |
| 0 to 0.8 |
| Molybdenum (Mo), % | 0 | |
| 0 to 0.3 |
| Nickel (Ni), % | 8.5 to 9.5 | |
| 43.5 to 46.5 |
| Niobium (Nb), % | 0 to 0.1 | |
| 0 |
| Phosphorus (P), % | 0 | |
| 0 to 0.010 |
| Silicon (Si), % | 0 | |
| 0 to 0.5 |
| Sulfur (S), % | 0 | |
| 0 to 0.030 |
| Tin (Sn), % | 5.5 to 6.5 | |
| 0 |
| Zinc (Zn), % | 0 to 0.5 | |
| 0 |
| Residuals, % | 0 to 0.3 | |
| 0 |