AWS ERNiCrMo-2 vs. SAE-AISI M2 Steel
AWS ERNiCrMo-2 belongs to the nickel alloys classification, while SAE-AISI M2 steel belongs to the iron alloys. They have a modest 29% of their average alloy composition in common, which, by itself, doesn't mean much. There are 21 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.
For each property being compared, the top bar is AWS ERNiCrMo-2 and the bottom bar is SAE-AISI M2 steel.
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 | |
| 77 |
| Tensile Strength: Ultimate (UTS), MPa | 750 | |
| 760 to 2150 |
Thermal Properties
| Latent Heat of Fusion, J/g | 320 | |
| 260 |
| Melting Completion (Liquidus), °C | 1460 | |
| 1610 |
| Melting Onset (Solidus), °C | 1410 | |
| 1570 |
| Specific Heat Capacity, J/kg-K | 450 | |
| 440 |
| Thermal Conductivity, W/m-K | 11 | |
| 22 |
| Thermal Expansion, µm/m-K | 13 | |
| 10 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 55 | |
| 24 |
| Density, g/cm3 | 8.4 | |
| 8.4 |
| Embodied Carbon, kg CO2/kg material | 9.2 | |
| 8.8 |
| Embodied Energy, MJ/kg | 120 | |
| 130 |
| Embodied Water, L/kg | 270 | |
| 98 |
Common Calculations
| Stiffness to Weight: Axial, points | 14 | |
| 13 |
| Stiffness to Weight: Bending, points | 23 | |
| 23 |
| Strength to Weight: Axial, points | 25 | |
| 25 to 71 |
| Strength to Weight: Bending, points | 22 | |
| 22 to 44 |
| Thermal Diffusivity, mm2/s | 2.9 | |
| 5.9 |
| Thermal Shock Resistance, points | 20 | |
| 27 to 76 |
Alloy Composition
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| Carbon (C), % | 0.050 to 0.15 | |
| 0.78 to 1.1 |
| Chromium (Cr), % | 20.5 to 23 | |
| 3.8 to 4.5 |
| Cobalt (Co), % | 0.5 to 2.5 | |
| 0 |
| Copper (Cu), % | 0 to 0.5 | |
| 0 to 0.25 |
| Iron (Fe), % | 17 to 20 | |
| 78.5 to 83.4 |
| Manganese (Mn), % | 0 to 1.0 | |
| 0.15 to 0.4 |
| Molybdenum (Mo), % | 8.0 to 10 | |
| 4.5 to 5.5 |
| Nickel (Ni), % | 40.3 to 53.8 | |
| 0 to 0.3 |
| Phosphorus (P), % | 0 to 0.040 | |
| 0 to 0.030 |
| Silicon (Si), % | 0 to 1.0 | |
| 0.2 to 0.45 |
| Sulfur (S), % | 0 to 0.030 | |
| 0 to 0.030 |
| Tungsten (W), % | 0.2 to 1.0 | |
| 5.5 to 6.8 |
| Vanadium (V), % | 0 | |
| 1.8 to 2.2 |
| Residuals, % | 0 to 0.5 | |
| 0 |