AWS ERNiCu-7 vs. Chromium 33
AWS ERNiCu-7 belongs to the nickel alloys classification, while chromium 33 belongs to the otherwise unclassified metals. They have a modest 35% of their average alloy composition in common, which, by itself, doesn't mean much. There are 18 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.
For each property being compared, the top bar is AWS ERNiCu-7 and the bottom bar is chromium 33.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 160 | |
| 200 |
| Elongation at Break, % | 34 | |
| 45 |
| Poisson's Ratio | 0.32 | |
| 0.27 |
| Shear Modulus, GPa | 61 | |
| 81 |
| Tensile Strength: Ultimate (UTS), MPa | 550 | |
| 850 |
Thermal Properties
| Latent Heat of Fusion, J/g | 280 | |
| 320 |
| Specific Heat Capacity, J/kg-K | 440 | |
| 480 |
| Thermal Expansion, µm/m-K | 13 | |
| 14 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 50 | |
| 36 |
| Density, g/cm3 | 8.7 | |
| 7.9 |
| Embodied Carbon, kg CO2/kg material | 8.5 | |
| 6.0 |
| Embodied Energy, MJ/kg | 120 | |
| 84 |
| Embodied Water, L/kg | 250 | |
| 250 |
Common Calculations
| Stiffness to Weight: Axial, points | 10 | |
| 14 |
| Stiffness to Weight: Bending, points | 21 | |
| 25 |
| Strength to Weight: Axial, points | 18 | |
| 30 |
| Strength to Weight: Bending, points | 17 | |
| 25 |
| Thermal Shock Resistance, points | 19 | |
| 21 |
Alloy Composition
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| Aluminum (Al), % | 0 to 1.3 | |
| 0 |
| Carbon (C), % | 0 to 0.15 | |
| 0 to 0.015 |
| Chromium (Cr), % | 0 | |
| 31 to 35 |
| Copper (Cu), % | 18.3 to 36.5 | |
| 0.3 to 1.2 |
| Iron (Fe), % | 0 to 2.5 | |
| 25.7 to 37.9 |
| Manganese (Mn), % | 0 to 4.0 | |
| 0 to 2.0 |
| Molybdenum (Mo), % | 0 | |
| 0.5 to 2.0 |
| Nickel (Ni), % | 62 to 69 | |
| 30 to 33 |
| Nitrogen (N), % | 0 | |
| 0.35 to 0.6 |
| Phosphorus (P), % | 0 to 0.030 | |
| 0 to 0.020 |
| Silicon (Si), % | 0 to 1.3 | |
| 0 to 0.5 |
| Sulfur (S), % | 0 to 0.015 | |
| 0 to 0.010 |
| Titanium (Ti), % | 1.5 to 3.0 | |
| 0 |
| Residuals, % | 0 to 0.5 | |
| 0 |