EN 1.6570 Steel vs. C71520 Copper-nickel
EN 1.6570 steel belongs to the iron alloys classification, while C71520 copper-nickel belongs to the copper alloys. There are 28 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.
For each property being compared, the top bar is EN 1.6570 steel and the bottom bar is C71520 copper-nickel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 140 |
| Elongation at Break, % | 11 to 17 | |
| 10 to 45 |
| Poisson's Ratio | 0.29 | |
| 0.33 |
| Shear Modulus, GPa | 73 | |
| 51 |
| Tensile Strength: Ultimate (UTS), MPa | 910 to 1130 | |
| 370 to 570 |
| Tensile Strength: Yield (Proof), MPa | 760 to 1060 | |
| 140 to 430 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 230 |
| Maximum Temperature: Mechanical, °C | 440 | |
| 260 |
| Melting Completion (Liquidus), °C | 1460 | |
| 1170 |
| Melting Onset (Solidus), °C | 1420 | |
| 1120 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 400 |
| Thermal Conductivity, W/m-K | 40 | |
| 32 |
| Thermal Expansion, µm/m-K | 13 | |
| 15 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.7 | |
| 5.7 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.8 | |
| 5.8 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 3.9 | |
| 40 |
| Density, g/cm3 | 7.9 | |
| 8.9 |
| Embodied Carbon, kg CO2/kg material | 1.7 | |
| 5.0 |
| Embodied Energy, MJ/kg | 23 | |
| 73 |
| Embodied Water, L/kg | 56 | |
| 280 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 120 to 140 | |
| 54 to 130 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 1520 to 3010 | |
| 67 to 680 |
| Stiffness to Weight: Axial, points | 13 | |
| 8.6 |
| Stiffness to Weight: Bending, points | 24 | |
| 19 |
| Strength to Weight: Axial, points | 32 to 40 | |
| 12 to 18 |
| Strength to Weight: Bending, points | 27 to 31 | |
| 13 to 17 |
| Thermal Diffusivity, mm2/s | 11 | |
| 8.9 |
| Thermal Shock Resistance, points | 27 to 33 | |
| 12 to 19 |
Alloy Composition
| Carbon (C), % | 0.28 to 0.35 | |
| 0 to 0.050 |
| Chromium (Cr), % | 1.0 to 1.4 | |
| 0 |
| Copper (Cu), % | 0 | |
| 65 to 71.6 |
| Iron (Fe), % | 94 to 96.2 | |
| 0.4 to 1.0 |
| Lead (Pb), % | 0 | |
| 0 to 0.020 |
| Manganese (Mn), % | 0.6 to 1.0 | |
| 0 to 1.0 |
| Molybdenum (Mo), % | 0.3 to 0.5 | |
| 0 |
| Nickel (Ni), % | 1.6 to 2.1 | |
| 28 to 33 |
| Phosphorus (P), % | 0 to 0.020 | |
| 0 to 0.2 |
| Silicon (Si), % | 0 to 0.6 | |
| 0 |
| Sulfur (S), % | 0 to 0.015 | |
| 0 to 0.020 |
| Zinc (Zn), % | 0 | |
| 0 to 0.5 |
| Residuals, % | 0 | |
| 0 to 0.5 |