C72900 Copper-nickel vs. EN 1.6554 Steel
C72900 copper-nickel belongs to the copper alloys classification, while EN 1.6554 steel belongs to the iron alloys. There are 28 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 C72900 copper-nickel and the bottom bar is EN 1.6554 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 120 | |
| 190 |
| Elongation at Break, % | 6.0 to 20 | |
| 17 to 21 |
| Poisson's Ratio | 0.34 | |
| 0.29 |
| Shear Modulus, GPa | 45 | |
| 73 |
| Tensile Strength: Ultimate (UTS), MPa | 870 to 1080 | |
| 780 to 930 |
| Tensile Strength: Yield (Proof), MPa | 700 to 920 | |
| 550 to 790 |
Thermal Properties
| Latent Heat of Fusion, J/g | 210 | |
| 250 |
| Maximum Temperature: Mechanical, °C | 210 | |
| 420 |
| Melting Completion (Liquidus), °C | 1120 | |
| 1460 |
| Melting Onset (Solidus), °C | 950 | |
| 1420 |
| Specific Heat Capacity, J/kg-K | 380 | |
| 470 |
| Thermal Conductivity, W/m-K | 29 | |
| 40 |
| Thermal Expansion, µm/m-K | 17 | |
| 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.8 | |
| 7.6 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.0 | |
| 8.7 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 39 | |
| 3.4 |
| Density, g/cm3 | 8.8 | |
| 7.9 |
| Embodied Carbon, kg CO2/kg material | 4.6 | |
| 1.7 |
| Embodied Energy, MJ/kg | 72 | |
| 22 |
| Embodied Water, L/kg | 360 | |
| 53 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 49 to 210 | |
| 140 to 150 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 2030 to 3490 | |
| 810 to 1650 |
| Stiffness to Weight: Axial, points | 7.6 | |
| 13 |
| Stiffness to Weight: Bending, points | 19 | |
| 24 |
| Strength to Weight: Axial, points | 27 to 34 | |
| 27 to 33 |
| Strength to Weight: Bending, points | 23 to 27 | |
| 24 to 27 |
| Thermal Diffusivity, mm2/s | 8.6 | |
| 11 |
| Thermal Shock Resistance, points | 31 to 38 | |
| 23 to 27 |
Alloy Composition
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| Carbon (C), % | 0 | |
| 0.23 to 0.28 |
| Chromium (Cr), % | 0 | |
| 0.7 to 0.9 |
| Copper (Cu), % | 74.1 to 78 | |
| 0 to 0.3 |
| Iron (Fe), % | 0 to 0.5 | |
| 94.6 to 97.3 |
| Lead (Pb), % | 0 to 0.020 | |
| 0 |
| Magnesium (Mg), % | 0 to 0.15 | |
| 0 |
| Manganese (Mn), % | 0 to 0.3 | |
| 0.6 to 0.9 |
| Molybdenum (Mo), % | 0 | |
| 0.2 to 0.3 |
| Nickel (Ni), % | 14.5 to 15.5 | |
| 1.0 to 2.0 |
| Niobium (Nb), % | 0 to 0.1 | |
| 0 |
| Phosphorus (P), % | 0 | |
| 0 to 0.030 |
| Silicon (Si), % | 0 | |
| 0 to 0.6 |
| Sulfur (S), % | 0 | |
| 0 to 0.025 |
| Tin (Sn), % | 7.5 to 8.5 | |
| 0 |
| Vanadium (V), % | 0 | |
| 0 to 0.030 |
| Zinc (Zn), % | 0 to 0.5 | |
| 0 |
| Residuals, % | 0 to 0.3 | |
| 0 |