AWS ERNiCrMo-2 vs. AWS ENiCrMo-3
Both AWS ERNiCrMo-2 and AWS ENiCrMo-3 are nickel alloys. Both are furnished in the as-welded condition. They have 83% of their average alloy composition in common. There are 23 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.
For each property being compared, the top bar is AWS ERNiCrMo-2 and the bottom bar is AWS ENiCrMo-3.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 210 | |
| 200 |
| Poisson's Ratio | 0.28 | |
| 0.29 |
| Shear Modulus, GPa | 81 | |
| 79 |
| Tensile Strength: Ultimate (UTS), MPa | 750 | |
| 870 |
Thermal Properties
| Latent Heat of Fusion, J/g | 320 | |
| 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 | 11 | |
| 11 |
| Thermal Expansion, µm/m-K | 13 | |
| 12 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 1.5 | |
| 1.3 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 1.6 | |
| 1.4 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 55 | |
| 80 |
| Density, g/cm3 | 8.4 | |
| 8.6 |
| Embodied Carbon, kg CO2/kg material | 9.2 | |
| 14 |
| Embodied Energy, MJ/kg | 120 | |
| 190 |
| Embodied Water, L/kg | 270 | |
| 290 |
Common Calculations
| Stiffness to Weight: Axial, points | 14 | |
| 13 |
| Stiffness to Weight: Bending, points | 23 | |
| 23 |
| Strength to Weight: Axial, points | 25 | |
| 28 |
| Strength to Weight: Bending, points | 22 | |
| 24 |
| Thermal Diffusivity, mm2/s | 2.9 | |
| 2.8 |
| Thermal Shock Resistance, points | 20 | |
| 25 |
Alloy Composition
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| Carbon (C), % | 0.050 to 0.15 | |
| 0 to 0.1 |
| Chromium (Cr), % | 20.5 to 23 | |
| 20 to 23 |
| Cobalt (Co), % | 0.5 to 2.5 | |
| 0 to 0.12 |
| Copper (Cu), % | 0 to 0.5 | |
| 0 to 0.5 |
| Iron (Fe), % | 17 to 20 | |
| 0 to 7.0 |
| Manganese (Mn), % | 0 to 1.0 | |
| 0 to 1.0 |
| Molybdenum (Mo), % | 8.0 to 10 | |
| 8.0 to 10 |
| Nickel (Ni), % | 40.3 to 53.8 | |
| 55 to 68.9 |
| Niobium (Nb), % | 0 | |
| 3.2 to 4.2 |
| Phosphorus (P), % | 0 to 0.040 | |
| 0 to 0.030 |
| Silicon (Si), % | 0 to 1.0 | |
| 0 to 0.75 |
| Sulfur (S), % | 0 to 0.030 | |
| 0 to 0.020 |
| Tungsten (W), % | 0.2 to 1.0 | |
| 0 |
| Residuals, % | 0 to 0.5 | |
| 0 to 0.5 |