EN 2.4878 Nickel vs. C71640 Copper-nickel
EN 2.4878 nickel belongs to the nickel alloys classification, while C71640 copper-nickel belongs to the copper alloys. They have a modest 31% of their average alloy composition in common, which, by itself, doesn't mean much. There are 24 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 2.4878 nickel and the bottom bar is C71640 copper-nickel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 140 |
| Poisson's Ratio | 0.29 | |
| 0.33 |
| Shear Modulus, GPa | 78 | |
| 52 |
| Tensile Strength: Ultimate (UTS), MPa | 1210 to 1250 | |
| 490 to 630 |
| Tensile Strength: Yield (Proof), MPa | 740 to 780 | |
| 190 to 460 |
Thermal Properties
| Latent Heat of Fusion, J/g | 330 | |
| 240 |
| Maximum Temperature: Mechanical, °C | 1030 | |
| 260 |
| Melting Completion (Liquidus), °C | 1370 | |
| 1180 |
| Melting Onset (Solidus), °C | 1320 | |
| 1120 |
| Specific Heat Capacity, J/kg-K | 460 | |
| 410 |
| Thermal Conductivity, W/m-K | 11 | |
| 29 |
| Thermal Expansion, µm/m-K | 12 | |
| 15 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 80 | |
| 40 |
| Density, g/cm3 | 8.3 | |
| 8.9 |
| Embodied Carbon, kg CO2/kg material | 10 | |
| 5.0 |
| Embodied Energy, MJ/kg | 150 | |
| 73 |
| Embodied Water, L/kg | 370 | |
| 280 |
Common Calculations
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 1370 to 1540 | |
| 130 to 750 |
| Stiffness to Weight: Axial, points | 13 | |
| 8.7 |
| Stiffness to Weight: Bending, points | 24 | |
| 20 |
| Strength to Weight: Axial, points | 41 to 42 | |
| 15 to 20 |
| Strength to Weight: Bending, points | 31 | |
| 16 to 18 |
| Thermal Diffusivity, mm2/s | 2.8 | |
| 8.2 |
| Thermal Shock Resistance, points | 37 to 39 | |
| 16 to 21 |
Alloy Composition
| Aluminum (Al), % | 1.2 to 1.6 | |
| 0 |
| Boron (B), % | 0.010 to 0.015 | |
| 0 |
| Carbon (C), % | 0.030 to 0.070 | |
| 0 |
| Chromium (Cr), % | 23 to 25 | |
| 0 |
| Cobalt (Co), % | 19 to 21 | |
| 0 |
| Copper (Cu), % | 0 to 0.2 | |
| 61.7 to 67.8 |
| Iron (Fe), % | 0 to 1.0 | |
| 1.7 to 2.3 |
| Lead (Pb), % | 0 | |
| 0 to 0.050 |
| Manganese (Mn), % | 0 to 0.5 | |
| 1.5 to 2.5 |
| Molybdenum (Mo), % | 1.0 to 2.0 | |
| 0 |
| Nickel (Ni), % | 43.6 to 52.2 | |
| 29 to 32 |
| Niobium (Nb), % | 0.7 to 1.2 | |
| 0 |
| Phosphorus (P), % | 0 to 0.010 | |
| 0 |
| Silicon (Si), % | 0 to 0.5 | |
| 0 |
| Sulfur (S), % | 0 to 0.0070 | |
| 0 |
| Tantalum (Ta), % | 0 to 0.050 | |
| 0 |
| Titanium (Ti), % | 2.8 to 3.2 | |
| 0 |
| Zinc (Zn), % | 0 | |
| 0 to 1.0 |
| Zirconium (Zr), % | 0.030 to 0.070 | |
| 0 |
| Residuals, % | 0 | |
| 0 to 0.5 |