AWS ERNiFeCr-2 vs. AWS ERNiCrMo-3
Both AWS ERNiFeCr-2 and AWS ERNiCrMo-3 are nickel alloys. They have 82% of their average alloy composition in common.
For each property being compared, the top bar is AWS ERNiFeCr-2 and the bottom bar is AWS ERNiCrMo-3.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 200 |
| Elongation at Break, % | 28 | |
| 34 |
| Poisson's Ratio | 0.29 | |
| 0.29 |
| Shear Modulus, GPa | 75 | |
| 79 |
| Tensile Strength: Ultimate (UTS), MPa | 1300 | |
| 870 |
Thermal Properties
| Latent Heat of Fusion, J/g | 310 | |
| 330 |
| Melting Completion (Liquidus), °C | 1460 | |
| 1480 |
| Melting Onset (Solidus), °C | 1410 | |
| 1430 |
| Specific Heat Capacity, J/kg-K | 450 | |
| 440 |
| Thermal Conductivity, W/m-K | 12 | |
| 11 |
| Thermal Expansion, µm/m-K | 13 | |
| 12 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 1.4 | |
| 1.3 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 1.5 | |
| 1.4 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 75 | |
| 80 |
| Density, g/cm3 | 8.3 | |
| 8.6 |
| Embodied Carbon, kg CO2/kg material | 13 | |
| 14 |
| Embodied Energy, MJ/kg | 190 | |
| 190 |
| Embodied Water, L/kg | 250 | |
| 290 |
Common Calculations
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 23 | |
| 23 |
| Strength to Weight: Axial, points | 43 | |
| 28 |
| Strength to Weight: Bending, points | 32 | |
| 24 |
| Thermal Diffusivity, mm2/s | 3.2 | |
| 2.8 |
| Thermal Shock Resistance, points | 38 | |
| 25 |
Alloy Composition
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| Aluminum (Al), % | 0.2 to 0.8 | |
| 0 to 0.4 |
| Boron (B), % | 0 to 0.0030 | |
| 0 |
| Carbon (C), % | 0 to 0.080 | |
| 0 to 0.010 |
| Chromium (Cr), % | 17 to 21 | |
| 20 to 23 |
| Copper (Cu), % | 0 to 0.3 | |
| 0 to 0.5 |
| Iron (Fe), % | 11.6 to 24.6 | |
| 0 to 5.0 |
| Manganese (Mn), % | 0 to 0.35 | |
| 0 to 0.5 |
| Molybdenum (Mo), % | 2.8 to 3.3 | |
| 8.0 to 10 |
| Nickel (Ni), % | 50 to 55 | |
| 58 to 68.9 |
| Niobium (Nb), % | 4.8 to 5.5 | |
| 3.2 to 4.2 |
| Phosphorus (P), % | 0 to 0.015 | |
| 0 to 0.020 |
| Silicon (Si), % | 0 to 0.35 | |
| 0 to 0.5 |
| Sulfur (S), % | 0 to 0.015 | |
| 0 to 0.015 |
| Titanium (Ti), % | 0.65 to 1.2 | |
| 0 to 0.4 |
| Residuals, % | 0 to 0.5 | |
| 0 to 0.5 |