C71580 Copper-nickel vs. EN 1.4418 Stainless Steel
C71580 copper-nickel belongs to the copper alloys classification, while EN 1.4418 stainless steel belongs to the iron alloys. There are 29 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 C71580 copper-nickel and the bottom bar is EN 1.4418 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 140 | |
| 200 |
| Elongation at Break, % | 40 | |
| 16 to 20 |
| Poisson's Ratio | 0.33 | |
| 0.28 |
| Shear Modulus, GPa | 51 | |
| 77 |
| Shear Strength, MPa | 230 | |
| 530 to 620 |
| Tensile Strength: Ultimate (UTS), MPa | 330 | |
| 860 to 1000 |
| Tensile Strength: Yield (Proof), MPa | 110 | |
| 540 to 790 |
Thermal Properties
| Latent Heat of Fusion, J/g | 230 | |
| 280 |
| Maximum Temperature: Mechanical, °C | 260 | |
| 870 |
| Melting Completion (Liquidus), °C | 1180 | |
| 1450 |
| Melting Onset (Solidus), °C | 1120 | |
| 1400 |
| Specific Heat Capacity, J/kg-K | 400 | |
| 480 |
| Thermal Conductivity, W/m-K | 39 | |
| 15 |
| Thermal Expansion, µm/m-K | 15 | |
| 10 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 4.7 | |
| 2.2 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 4.7 | |
| 2.5 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 41 | |
| 13 |
| Density, g/cm3 | 8.9 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 5.1 | |
| 2.8 |
| Embodied Energy, MJ/kg | 74 | |
| 39 |
| Embodied Water, L/kg | 280 | |
| 130 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 100 | |
| 130 to 170 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 47 | |
| 730 to 1590 |
| Stiffness to Weight: Axial, points | 8.5 | |
| 14 |
| Stiffness to Weight: Bending, points | 19 | |
| 25 |
| Strength to Weight: Axial, points | 10 | |
| 31 to 36 |
| Strength to Weight: Bending, points | 12 | |
| 26 to 28 |
| Thermal Diffusivity, mm2/s | 11 | |
| 4.0 |
| Thermal Shock Resistance, points | 11 | |
| 31 to 36 |
Alloy Composition
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| Carbon (C), % | 0 to 0.070 | |
| 0 to 0.060 |
| Chromium (Cr), % | 0 | |
| 15 to 17 |
| Copper (Cu), % | 65.5 to 71 | |
| 0 |
| Iron (Fe), % | 0 to 0.5 | |
| 73.2 to 80.2 |
| Lead (Pb), % | 0 to 0.050 | |
| 0 |
| Manganese (Mn), % | 0 to 0.3 | |
| 0 to 1.5 |
| Molybdenum (Mo), % | 0 | |
| 0.8 to 1.5 |
| Nickel (Ni), % | 29 to 33 | |
| 4.0 to 6.0 |
| Nitrogen (N), % | 0 | |
| 0 to 0.020 |
| Phosphorus (P), % | 0 | |
| 0 to 0.040 |
| Silicon (Si), % | 0 | |
| 0 to 0.7 |
| Sulfur (S), % | 0 | |
| 0 to 0.015 |
| Zinc (Zn), % | 0 to 0.050 | |
| 0 |
| Residuals, % | 0 to 0.5 | |
| 0 |