C71520 Copper-nickel vs. EN 1.4104 Stainless Steel
C71520 copper-nickel belongs to the copper alloys classification, while EN 1.4104 stainless steel belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.
For each property being compared, the top bar is C71520 copper-nickel and the bottom bar is EN 1.4104 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 140 | |
| 200 |
| Elongation at Break, % | 10 to 45 | |
| 11 to 23 |
| Poisson's Ratio | 0.33 | |
| 0.28 |
| Shear Modulus, GPa | 51 | |
| 77 |
| Shear Strength, MPa | 250 to 340 | |
| 400 to 450 |
| Tensile Strength: Ultimate (UTS), MPa | 370 to 570 | |
| 630 to 750 |
| Tensile Strength: Yield (Proof), MPa | 140 to 430 | |
| 350 to 560 |
Thermal Properties
| Latent Heat of Fusion, J/g | 230 | |
| 280 |
| Maximum Temperature: Mechanical, °C | 260 | |
| 860 |
| Melting Completion (Liquidus), °C | 1170 | |
| 1440 |
| Melting Onset (Solidus), °C | 1120 | |
| 1390 |
| Specific Heat Capacity, J/kg-K | 400 | |
| 480 |
| Thermal Conductivity, W/m-K | 32 | |
| 25 |
| Thermal Expansion, µm/m-K | 15 | |
| 10 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 5.7 | |
| 2.5 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 5.8 | |
| 2.9 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 40 | |
| 8.5 |
| Density, g/cm3 | 8.9 | |
| 7.7 |
| Embodied Carbon, kg CO2/kg material | 5.0 | |
| 2.2 |
| Embodied Energy, MJ/kg | 73 | |
| 30 |
| Embodied Water, L/kg | 280 | |
| 120 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 54 to 130 | |
| 77 to 120 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 67 to 680 | |
| 310 to 800 |
| Stiffness to Weight: Axial, points | 8.6 | |
| 14 |
| Stiffness to Weight: Bending, points | 19 | |
| 25 |
| Strength to Weight: Axial, points | 12 to 18 | |
| 23 to 27 |
| Strength to Weight: Bending, points | 13 to 17 | |
| 21 to 24 |
| Thermal Diffusivity, mm2/s | 8.9 | |
| 6.7 |
| Thermal Shock Resistance, points | 12 to 19 | |
| 22 to 27 |
Alloy Composition
| Carbon (C), % | 0 to 0.050 | |
| 0.1 to 0.17 |
| Chromium (Cr), % | 0 | |
| 15.5 to 17.5 |
| Copper (Cu), % | 65 to 71.6 | |
| 0 |
| Iron (Fe), % | 0.4 to 1.0 | |
| 78.8 to 84.1 |
| Lead (Pb), % | 0 to 0.020 | |
| 0 |
| Manganese (Mn), % | 0 to 1.0 | |
| 0 to 1.5 |
| Molybdenum (Mo), % | 0 | |
| 0.2 to 0.6 |
| Nickel (Ni), % | 28 to 33 | |
| 0 |
| Phosphorus (P), % | 0 to 0.2 | |
| 0 to 0.040 |
| Silicon (Si), % | 0 | |
| 0 to 1.0 |
| Sulfur (S), % | 0 to 0.020 | |
| 0.15 to 0.35 |
| Zinc (Zn), % | 0 to 0.5 | |
| 0 |
| Residuals, % | 0 to 0.5 | |
| 0 |