C71580 Copper-nickel vs. EN 1.4371 Stainless Steel
C71580 copper-nickel belongs to the copper alloys classification, while EN 1.4371 stainless steel belongs to the iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.
For each property being compared, the top bar is C71580 copper-nickel and the bottom bar is EN 1.4371 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 75 | |
| 220 to 230 |
| Elastic (Young's, Tensile) Modulus, GPa | 140 | |
| 200 |
| Elongation at Break, % | 40 | |
| 45 to 51 |
| Poisson's Ratio | 0.33 | |
| 0.28 |
| Shear Modulus, GPa | 51 | |
| 77 |
| Shear Strength, MPa | 230 | |
| 520 to 540 |
| Tensile Strength: Ultimate (UTS), MPa | 330 | |
| 740 to 750 |
| Tensile Strength: Yield (Proof), MPa | 110 | |
| 320 to 340 |
Thermal Properties
| Latent Heat of Fusion, J/g | 230 | |
| 280 |
| Maximum Temperature: Mechanical, °C | 260 | |
| 880 |
| Melting Completion (Liquidus), °C | 1180 | |
| 1410 |
| Melting Onset (Solidus), °C | 1120 | |
| 1370 |
| Specific Heat Capacity, J/kg-K | 400 | |
| 480 |
| Thermal Conductivity, W/m-K | 39 | |
| 15 |
| Thermal Expansion, µm/m-K | 15 | |
| 17 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 4.7 | |
| 2.5 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 4.7 | |
| 2.9 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 41 | |
| 12 |
| Density, g/cm3 | 8.9 | |
| 7.7 |
| Embodied Carbon, kg CO2/kg material | 5.1 | |
| 2.6 |
| Embodied Energy, MJ/kg | 74 | |
| 38 |
| Embodied Water, L/kg | 280 | |
| 140 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 100 | |
| 270 to 310 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 47 | |
| 250 to 300 |
| Stiffness to Weight: Axial, points | 8.5 | |
| 14 |
| Stiffness to Weight: Bending, points | 19 | |
| 25 |
| Strength to Weight: Axial, points | 10 | |
| 27 |
| Strength to Weight: Bending, points | 12 | |
| 24 |
| Thermal Diffusivity, mm2/s | 11 | |
| 4.0 |
| Thermal Shock Resistance, points | 11 | |
| 16 |
Alloy Composition
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| Carbon (C), % | 0 to 0.070 | |
| 0 to 0.030 |
| Chromium (Cr), % | 0 | |
| 16 to 17.5 |
| Copper (Cu), % | 65.5 to 71 | |
| 0 to 1.0 |
| Iron (Fe), % | 0 to 0.5 | |
| 66.7 to 74.4 |
| Lead (Pb), % | 0 to 0.050 | |
| 0 |
| Manganese (Mn), % | 0 to 0.3 | |
| 6.0 to 8.0 |
| Nickel (Ni), % | 29 to 33 | |
| 3.5 to 5.5 |
| Nitrogen (N), % | 0 | |
| 0.15 to 0.25 |
| Phosphorus (P), % | 0 | |
| 0 to 0.045 |
| Silicon (Si), % | 0 | |
| 0 to 1.0 |
| Sulfur (S), % | 0 | |
| 0 to 0.015 |
| Zinc (Zn), % | 0 to 0.050 | |
| 0 |
| Residuals, % | 0 to 0.5 | |
| 0 |