C71000 Copper-nickel vs. Grade 250 Maraging Steel
C71000 copper-nickel belongs to the copper alloys classification, while grade 250 maraging steel belongs to the iron alloys. There are 19 material properties with values for both materials. Properties with values for just one material (14, in this case) are not shown.
For each property being compared, the top bar is C71000 copper-nickel and the bottom bar is grade 250 maraging steel.
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 | |
| 75 |
| Tensile Strength: Ultimate (UTS), MPa | 320 to 560 | |
| 970 to 1800 |
Thermal Properties
| Latent Heat of Fusion, J/g | 230 | |
| 270 |
| Melting Completion (Liquidus), °C | 1200 | |
| 1480 |
| Melting Onset (Solidus), °C | 1150 | |
| 1430 |
| Specific Heat Capacity, J/kg-K | 400 | |
| 450 |
| Thermal Expansion, µm/m-K | 15 | |
| 12 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 37 | |
| 32 |
| Density, g/cm3 | 8.9 | |
| 8.2 |
| Embodied Carbon, kg CO2/kg material | 4.3 | |
| 4.9 |
| Embodied Energy, MJ/kg | 63 | |
| 65 |
| Embodied Water, L/kg | 290 | |
| 140 |
Common Calculations
| Stiffness to Weight: Axial, points | 8.2 | |
| 13 |
| Stiffness to Weight: Bending, points | 19 | |
| 23 |
| Strength to Weight: Axial, points | 10 to 18 | |
| 33 to 61 |
| Strength to Weight: Bending, points | 12 to 17 | |
| 26 to 40 |
| Thermal Shock Resistance, points | 12 to 20 | |
| 29 to 54 |
Alloy Composition
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| Aluminum (Al), % | 0 | |
| 0.050 to 0.15 |
| Boron (B), % | 0 | |
| 0 to 0.0030 |
| Calcium (Ca), % | 0 | |
| 0 to 0.050 |
| Carbon (C), % | 0 | |
| 0 to 0.030 |
| Cobalt (Co), % | 0 | |
| 7.0 to 8.5 |
| Copper (Cu), % | 73.5 to 80.5 | |
| 0 |
| Iron (Fe), % | 0.5 to 1.0 | |
| 66.3 to 71.1 |
| Lead (Pb), % | 0 to 0.050 | |
| 0 |
| Manganese (Mn), % | 0 to 1.0 | |
| 0 to 0.1 |
| Molybdenum (Mo), % | 0 | |
| 4.6 to 5.2 |
| Nickel (Ni), % | 19 to 23 | |
| 17 to 19 |
| Phosphorus (P), % | 0 | |
| 0 to 0.010 |
| Silicon (Si), % | 0 | |
| 0 to 0.1 |
| Sulfur (S), % | 0 | |
| 0 to 0.010 |
| Titanium (Ti), % | 0 | |
| 0.3 to 0.5 |
| Zinc (Zn), % | 0 to 1.0 | |
| 0 |
| Zirconium (Zr), % | 0 | |
| 0 to 0.020 |
| Residuals, % | 0 to 0.5 | |
| 0 |