C71580 Copper-nickel vs. S32615 Stainless Steel
C71580 copper-nickel belongs to the copper alloys classification, while S32615 stainless steel belongs to the iron alloys. They have a modest 23% of their average alloy composition in common, which, by itself, doesn't mean much. There are 26 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 C71580 copper-nickel and the bottom bar is S32615 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 75 | |
| 170 |
| Elastic (Young's, Tensile) Modulus, GPa | 140 | |
| 190 |
| Elongation at Break, % | 40 | |
| 28 |
| Poisson's Ratio | 0.33 | |
| 0.28 |
| Shear Modulus, GPa | 51 | |
| 75 |
| Shear Strength, MPa | 230 | |
| 400 |
| Tensile Strength: Ultimate (UTS), MPa | 330 | |
| 620 |
| Tensile Strength: Yield (Proof), MPa | 110 | |
| 250 |
Thermal Properties
| Latent Heat of Fusion, J/g | 230 | |
| 370 |
| Maximum Temperature: Mechanical, °C | 260 | |
| 990 |
| Melting Completion (Liquidus), °C | 1180 | |
| 1350 |
| Melting Onset (Solidus), °C | 1120 | |
| 1310 |
| Specific Heat Capacity, J/kg-K | 400 | |
| 500 |
| Thermal Expansion, µm/m-K | 15 | |
| 15 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 41 | |
| 24 |
| Density, g/cm3 | 8.9 | |
| 7.6 |
| Embodied Carbon, kg CO2/kg material | 5.1 | |
| 4.4 |
| Embodied Energy, MJ/kg | 74 | |
| 63 |
| Embodied Water, L/kg | 280 | |
| 170 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 100 | |
| 140 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 47 | |
| 160 |
| Stiffness to Weight: Axial, points | 8.5 | |
| 14 |
| Stiffness to Weight: Bending, points | 19 | |
| 25 |
| Strength to Weight: Axial, points | 10 | |
| 23 |
| Strength to Weight: Bending, points | 12 | |
| 21 |
| Thermal Shock Resistance, points | 11 | |
| 15 |
Alloy Composition
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| Carbon (C), % | 0 to 0.070 | |
| 0 to 0.070 |
| Chromium (Cr), % | 0 | |
| 16.5 to 19.5 |
| Copper (Cu), % | 65.5 to 71 | |
| 1.5 to 2.5 |
| Iron (Fe), % | 0 to 0.5 | |
| 46.4 to 57.9 |
| Lead (Pb), % | 0 to 0.050 | |
| 0 |
| Manganese (Mn), % | 0 to 0.3 | |
| 0 to 2.0 |
| Molybdenum (Mo), % | 0 | |
| 0.3 to 1.5 |
| Nickel (Ni), % | 29 to 33 | |
| 19 to 22 |
| Phosphorus (P), % | 0 | |
| 0 to 0.045 |
| Silicon (Si), % | 0 | |
| 4.8 to 6.0 |
| Sulfur (S), % | 0 | |
| 0 to 0.030 |
| Zinc (Zn), % | 0 to 0.050 | |
| 0 |
| Residuals, % | 0 to 0.5 | |
| 0 |