EN 1.7711 Steel vs. C71520 Copper-nickel
EN 1.7711 steel belongs to the iron alloys classification, while C71520 copper-nickel belongs to the copper 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 EN 1.7711 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, % | 16 to 22 | |
| 10 to 45 |
| Poisson's Ratio | 0.29 | |
| 0.33 |
| Shear Modulus, GPa | 73 | |
| 51 |
| Shear Strength, MPa | 440 to 570 | |
| 250 to 340 |
| Tensile Strength: Ultimate (UTS), MPa | 690 to 930 | |
| 370 to 570 |
| Tensile Strength: Yield (Proof), MPa | 400 to 800 | |
| 140 to 430 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 230 |
| Maximum Temperature: Mechanical, °C | 430 | |
| 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 | 33 | |
| 32 |
| Thermal Expansion, µm/m-K | 11 | |
| 15 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.4 | |
| 5.7 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.5 | |
| 5.8 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 3.0 | |
| 40 |
| Density, g/cm3 | 7.8 | |
| 8.9 |
| Embodied Carbon, kg CO2/kg material | 2.3 | |
| 5.0 |
| Embodied Energy, MJ/kg | 32 | |
| 73 |
| Embodied Water, L/kg | 54 | |
| 280 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 130 to 140 | |
| 54 to 130 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 430 to 1690 | |
| 67 to 680 |
| Stiffness to Weight: Axial, points | 13 | |
| 8.6 |
| Stiffness to Weight: Bending, points | 24 | |
| 19 |
| Strength to Weight: Axial, points | 24 to 33 | |
| 12 to 18 |
| Strength to Weight: Bending, points | 22 to 27 | |
| 13 to 17 |
| Thermal Diffusivity, mm2/s | 8.9 | |
| 8.9 |
| Thermal Shock Resistance, points | 24 to 32 | |
| 12 to 19 |
Alloy Composition
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| Aluminum (Al), % | 0 to 0.015 | |
| 0 |
| Carbon (C), % | 0.36 to 0.44 | |
| 0 to 0.050 |
| Chromium (Cr), % | 0.9 to 1.2 | |
| 0 |
| Copper (Cu), % | 0 | |
| 65 to 71.6 |
| Iron (Fe), % | 96 to 97.5 | |
| 0.4 to 1.0 |
| Lead (Pb), % | 0 | |
| 0 to 0.020 |
| Manganese (Mn), % | 0.45 to 0.85 | |
| 0 to 1.0 |
| Molybdenum (Mo), % | 0.5 to 0.65 | |
| 0 |
| Nickel (Ni), % | 0 | |
| 28 to 33 |
| Phosphorus (P), % | 0 to 0.025 | |
| 0 to 0.2 |
| Silicon (Si), % | 0 to 0.4 | |
| 0 |
| Sulfur (S), % | 0 to 0.030 | |
| 0 to 0.020 |
| Vanadium (V), % | 0.25 to 0.35 | |
| 0 |
| Zinc (Zn), % | 0 | |
| 0 to 0.5 |
| Residuals, % | 0 | |
| 0 to 0.5 |