AWS ENiCu-7 vs. AWS ERNiCrFe-11
Both AWS ENiCu-7 and AWS ERNiCrFe-11 are nickel alloys. Both are furnished in the as-welded condition. They have 64% of their average alloy composition in common.
For each property being compared, the top bar is AWS ENiCu-7 and the bottom bar is AWS ERNiCrFe-11.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 160 | |
| 200 |
| Elongation at Break, % | 34 | |
| 47 |
| Poisson's Ratio | 0.32 | |
| 0.28 |
| Shear Modulus, GPa | 62 | |
| 76 |
| Tensile Strength: Ultimate (UTS), MPa | 550 | |
| 740 |
Thermal Properties
| Latent Heat of Fusion, J/g | 280 | |
| 320 |
| Melting Completion (Liquidus), °C | 1270 | |
| 1360 |
| Melting Onset (Solidus), °C | 1230 | |
| 1310 |
| Specific Heat Capacity, J/kg-K | 430 | |
| 470 |
| Thermal Conductivity, W/m-K | 21 | |
| 11 |
| Thermal Expansion, µm/m-K | 13 | |
| 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 3.3 | |
| 1.5 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 3.3 | |
| 1.6 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 50 | |
| 49 |
| Density, g/cm3 | 8.7 | |
| 8.2 |
| Embodied Carbon, kg CO2/kg material | 8.0 | |
| 8.0 |
| Embodied Energy, MJ/kg | 110 | |
| 110 |
| Embodied Water, L/kg | 250 | |
| 280 |
Common Calculations
| Stiffness to Weight: Axial, points | 10 | |
| 13 |
| Stiffness to Weight: Bending, points | 21 | |
| 23 |
| Strength to Weight: Axial, points | 17 | |
| 25 |
| Strength to Weight: Bending, points | 17 | |
| 22 |
| Thermal Diffusivity, mm2/s | 5.5 | |
| 2.9 |
| Thermal Shock Resistance, points | 18 | |
| 20 |
Alloy Composition
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| Aluminum (Al), % | 0 to 0.75 | |
| 1.0 to 1.7 |
| Carbon (C), % | 0 to 0.1 | |
| 0 to 0.1 |
| Chromium (Cr), % | 0 | |
| 21 to 25 |
| Copper (Cu), % | 20.6 to 38 | |
| 0 to 1.0 |
| Iron (Fe), % | 0 to 2.5 | |
| 7.2 to 20 |
| Manganese (Mn), % | 0 to 4.0 | |
| 0 to 1.0 |
| Nickel (Ni), % | 62 to 69 | |
| 58 to 63 |
| Phosphorus (P), % | 0 to 0.020 | |
| 0 to 0.030 |
| Silicon (Si), % | 0 to 1.5 | |
| 0 to 0.5 |
| Sulfur (S), % | 0 to 0.015 | |
| 0 to 0.015 |
| Titanium (Ti), % | 0 to 1.0 | |
| 0 |
| Residuals, % | 0 to 0.5 | |
| 0 to 0.5 |