AWS ERNiCu-7 vs. C55181 Copper
AWS ERNiCu-7 belongs to the nickel alloys classification, while C55181 copper belongs to the copper alloys. They have a modest 27% of their average alloy composition in common, which, by itself, doesn't mean much. There are 19 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.
For each property being compared, the top bar is AWS ERNiCu-7 and the bottom bar is C55181 copper.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 160 | |
| 110 |
| Poisson's Ratio | 0.32 | |
| 0.34 |
| Shear Modulus, GPa | 61 | |
| 40 |
| Tensile Strength: Ultimate (UTS), MPa | 550 | |
| 200 |
Thermal Properties
| Latent Heat of Fusion, J/g | 280 | |
| 190 |
| Melting Completion (Liquidus), °C | 1280 | |
| 790 |
| Melting Onset (Solidus), °C | 1240 | |
| 710 |
| Specific Heat Capacity, J/kg-K | 440 | |
| 410 |
| Thermal Expansion, µm/m-K | 13 | |
| 16 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 50 | |
| 28 |
| Density, g/cm3 | 8.7 | |
| 8.5 |
| Embodied Carbon, kg CO2/kg material | 8.5 | |
| 2.4 |
| Embodied Energy, MJ/kg | 120 | |
| 38 |
| Embodied Water, L/kg | 250 | |
| 290 |
Common Calculations
| Stiffness to Weight: Axial, points | 10 | |
| 7.0 |
| Stiffness to Weight: Bending, points | 21 | |
| 19 |
| Strength to Weight: Axial, points | 18 | |
| 6.5 |
| Strength to Weight: Bending, points | 17 | |
| 8.9 |
| Thermal Shock Resistance, points | 19 | |
| 8.2 |
Alloy Composition
| Aluminum (Al), % | 0 to 1.3 | |
| 0 |
| Carbon (C), % | 0 to 0.15 | |
| 0 |
| Copper (Cu), % | 18.3 to 36.5 | |
| 92.4 to 93 |
| Iron (Fe), % | 0 to 2.5 | |
| 0 |
| Manganese (Mn), % | 0 to 4.0 | |
| 0 |
| Nickel (Ni), % | 62 to 69 | |
| 0 |
| Phosphorus (P), % | 0 to 0.030 | |
| 7.0 to 7.5 |
| Silicon (Si), % | 0 to 1.3 | |
| 0 |
| Sulfur (S), % | 0 to 0.015 | |
| 0 |
| Titanium (Ti), % | 1.5 to 3.0 | |
| 0 |
| Residuals, % | 0 | |
| 0 to 0.15 |