C72700 Copper-nickel vs. EN 1.5503 Steel
C72700 copper-nickel belongs to the copper alloys classification, while EN 1.5503 steel belongs to the iron alloys. There are 29 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 C72700 copper-nickel and the bottom bar is EN 1.5503 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 120 | |
| 190 |
| Elongation at Break, % | 4.0 to 36 | |
| 12 to 17 |
| Poisson's Ratio | 0.34 | |
| 0.29 |
| Shear Modulus, GPa | 44 | |
| 73 |
| Shear Strength, MPa | 310 to 620 | |
| 270 to 320 |
| Tensile Strength: Ultimate (UTS), MPa | 460 to 1070 | |
| 400 to 520 |
| Tensile Strength: Yield (Proof), MPa | 580 to 1060 | |
| 270 to 430 |
Thermal Properties
| Latent Heat of Fusion, J/g | 210 | |
| 250 |
| Maximum Temperature: Mechanical, °C | 200 | |
| 400 |
| Melting Completion (Liquidus), °C | 1100 | |
| 1460 |
| Melting Onset (Solidus), °C | 930 | |
| 1420 |
| Specific Heat Capacity, J/kg-K | 380 | |
| 470 |
| Thermal Conductivity, W/m-K | 54 | |
| 52 |
| Thermal Expansion, µm/m-K | 17 | |
| 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 11 | |
| 7.0 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 11 | |
| 8.1 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 36 | |
| 1.8 |
| Density, g/cm3 | 8.8 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 4.0 | |
| 1.4 |
| Embodied Energy, MJ/kg | 62 | |
| 18 |
| Embodied Water, L/kg | 350 | |
| 46 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 20 to 380 | |
| 41 to 81 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 1420 to 4770 | |
| 200 to 490 |
| Stiffness to Weight: Axial, points | 7.4 | |
| 13 |
| Stiffness to Weight: Bending, points | 19 | |
| 24 |
| Strength to Weight: Axial, points | 14 to 34 | |
| 14 to 19 |
| Strength to Weight: Bending, points | 15 to 26 | |
| 15 to 18 |
| Thermal Diffusivity, mm2/s | 16 | |
| 14 |
| Thermal Shock Resistance, points | 16 to 38 | |
| 12 to 15 |
Alloy Composition
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| Boron (B), % | 0 | |
| 0.00080 to 0.0050 |
| Carbon (C), % | 0 | |
| 0.16 to 0.2 |
| Copper (Cu), % | 82.1 to 86 | |
| 0 to 0.25 |
| Iron (Fe), % | 0 to 0.5 | |
| 98.4 to 99.239 |
| Lead (Pb), % | 0 to 0.020 | |
| 0 |
| Magnesium (Mg), % | 0 to 0.15 | |
| 0 |
| Manganese (Mn), % | 0.050 to 0.3 | |
| 0.6 to 0.8 |
| Nickel (Ni), % | 8.5 to 9.5 | |
| 0 |
| Niobium (Nb), % | 0 to 0.1 | |
| 0 |
| Phosphorus (P), % | 0 | |
| 0 to 0.025 |
| Silicon (Si), % | 0 | |
| 0 to 0.3 |
| Sulfur (S), % | 0 | |
| 0 to 0.025 |
| Tin (Sn), % | 5.5 to 6.5 | |
| 0 |
| Zinc (Zn), % | 0 to 0.5 | |
| 0 |
| Residuals, % | 0 to 0.3 | |
| 0 |