AWS ENiCu-7 vs. AWS ENiCrFe-2
Both AWS ENiCu-7 and AWS ENiCrFe-2 are nickel alloys. Both are furnished in the as-welded condition. They have 70% of their average alloy composition in common. There are 20 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 AWS ENiCu-7 and the bottom bar is AWS ENiCrFe-2.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 160 | |
| 190 |
| Elongation at Break, % | 34 | |
| 28 |
| Poisson's Ratio | 0.32 | |
| 0.3 |
| Shear Modulus, GPa | 62 | |
| 74 |
| Tensile Strength: Ultimate (UTS), MPa | 550 | |
| 790 |
Thermal Properties
| Latent Heat of Fusion, J/g | 280 | |
| 310 |
| Melting Completion (Liquidus), °C | 1270 | |
| 1390 |
| Melting Onset (Solidus), °C | 1230 | |
| 1350 |
| Specific Heat Capacity, J/kg-K | 430 | |
| 450 |
| Thermal Expansion, µm/m-K | 13 | |
| 12 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 50 | |
| 65 |
| Density, g/cm3 | 8.7 | |
| 8.5 |
| Embodied Carbon, kg CO2/kg material | 8.0 | |
| 11 |
| Embodied Energy, MJ/kg | 110 | |
| 160 |
| Embodied Water, L/kg | 250 | |
| 260 |
Common Calculations
| Stiffness to Weight: Axial, points | 10 | |
| 13 |
| Stiffness to Weight: Bending, points | 21 | |
| 23 |
| Strength to Weight: Axial, points | 17 | |
| 26 |
| Strength to Weight: Bending, points | 17 | |
| 22 |
| Thermal Shock Resistance, points | 18 | |
| 24 |
Alloy Composition
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| Aluminum (Al), % | 0 to 0.75 | |
| 0 |
| Carbon (C), % | 0 to 0.1 | |
| 0 to 0.1 |
| Chromium (Cr), % | 0 | |
| 13 to 17 |
| Cobalt (Co), % | 0 | |
| 0 to 0.12 |
| Copper (Cu), % | 20.6 to 38 | |
| 0 to 0.5 |
| Iron (Fe), % | 0 to 2.5 | |
| 0 to 12 |
| Manganese (Mn), % | 0 to 4.0 | |
| 1.0 to 3.5 |
| Molybdenum (Mo), % | 0 | |
| 0.5 to 2.5 |
| Nickel (Ni), % | 62 to 69 | |
| 62 to 85 |
| Niobium (Nb), % | 0 | |
| 0.5 to 4.0 |
| Phosphorus (P), % | 0 to 0.020 | |
| 0 to 0.030 |
| Silicon (Si), % | 0 to 1.5 | |
| 0 to 0.75 |
| Sulfur (S), % | 0 to 0.015 | |
| 0 to 0.020 |
| Titanium (Ti), % | 0 to 1.0 | |
| 0 |
| Residuals, % | 0 to 0.5 | |
| 0 to 0.5 |