C72900 Copper-nickel vs. EN 1.7039 Steel
C72900 copper-nickel belongs to the copper alloys classification, while EN 1.7039 steel belongs to the iron alloys. There are 24 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.
For each property being compared, the top bar is C72900 copper-nickel and the bottom bar is EN 1.7039 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 120 | |
| 190 |
| Poisson's Ratio | 0.34 | |
| 0.29 |
| Shear Modulus, GPa | 45 | |
| 73 |
| Tensile Strength: Ultimate (UTS), MPa | 870 to 1080 | |
| 530 to 1850 |
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 | |
| 46 |
| Thermal Expansion, µm/m-K | 17 | |
| 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.8 | |
| 7.3 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.0 | |
| 8.4 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 39 | |
| 2.3 |
| Density, g/cm3 | 8.8 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 4.6 | |
| 1.4 |
| Embodied Energy, MJ/kg | 72 | |
| 19 |
| Embodied Water, L/kg | 360 | |
| 51 |
Common Calculations
| Stiffness to Weight: Axial, points | 7.6 | |
| 13 |
| Stiffness to Weight: Bending, points | 19 | |
| 24 |
| Strength to Weight: Axial, points | 27 to 34 | |
| 19 to 65 |
| Strength to Weight: Bending, points | 23 to 27 | |
| 19 to 43 |
| Thermal Diffusivity, mm2/s | 8.6 | |
| 12 |
| Thermal Shock Resistance, points | 31 to 38 | |
| 16 to 54 |
Alloy Composition
Deprecated: Automatic conversion of false to array is deprecated in /home/public/compare.php on line 452
| Carbon (C), % | 0 | |
| 0.38 to 0.45 |
| Chromium (Cr), % | 0 | |
| 0.9 to 1.2 |
| Copper (Cu), % | 74.1 to 78 | |
| 0 to 0.25 |
| Iron (Fe), % | 0 to 0.5 | |
| 96.8 to 98.1 |
| 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 |
| Nickel (Ni), % | 14.5 to 15.5 | |
| 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 | |
| 0.020 to 0.040 |
| Tin (Sn), % | 7.5 to 8.5 | |
| 0 |
| Zinc (Zn), % | 0 to 0.5 | |
| 0 |
| Residuals, % | 0 to 0.3 | |
| 0 |