AWS ERNiCrMo-2 vs. S17400 Stainless Steel
AWS ERNiCrMo-2 belongs to the nickel alloys classification, while S17400 stainless steel belongs to the iron alloys. They have a modest 40% of their average alloy composition in common, which, by itself, doesn't mean much. There are 23 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.
For each property being compared, the top bar is AWS ERNiCrMo-2 and the bottom bar is S17400 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 210 | |
| 190 |
| Poisson's Ratio | 0.28 | |
| 0.28 |
| Shear Modulus, GPa | 81 | |
| 75 |
| Tensile Strength: Ultimate (UTS), MPa | 750 | |
| 910 to 1390 |
Thermal Properties
| Latent Heat of Fusion, J/g | 320 | |
| 280 |
| Melting Completion (Liquidus), °C | 1460 | |
| 1440 |
| Melting Onset (Solidus), °C | 1410 | |
| 1400 |
| Specific Heat Capacity, J/kg-K | 450 | |
| 480 |
| Thermal Conductivity, W/m-K | 11 | |
| 17 |
| Thermal Expansion, µm/m-K | 13 | |
| 11 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 1.5 | |
| 2.3 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 1.6 | |
| 2.6 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 55 | |
| 14 |
| Density, g/cm3 | 8.4 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 9.2 | |
| 2.7 |
| Embodied Energy, MJ/kg | 120 | |
| 39 |
| Embodied Water, L/kg | 270 | |
| 130 |
Common Calculations
| Stiffness to Weight: Axial, points | 14 | |
| 14 |
| Stiffness to Weight: Bending, points | 23 | |
| 25 |
| Strength to Weight: Axial, points | 25 | |
| 32 to 49 |
| Strength to Weight: Bending, points | 22 | |
| 27 to 35 |
| Thermal Diffusivity, mm2/s | 2.9 | |
| 4.5 |
| Thermal Shock Resistance, points | 20 | |
| 30 to 46 |
Alloy Composition
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| Carbon (C), % | 0.050 to 0.15 | |
| 0 to 0.070 |
| Chromium (Cr), % | 20.5 to 23 | |
| 15 to 17 |
| Cobalt (Co), % | 0.5 to 2.5 | |
| 0 |
| Copper (Cu), % | 0 to 0.5 | |
| 3.0 to 5.0 |
| Iron (Fe), % | 17 to 20 | |
| 70.4 to 78.9 |
| Manganese (Mn), % | 0 to 1.0 | |
| 0 to 1.0 |
| Molybdenum (Mo), % | 8.0 to 10 | |
| 0 |
| Nickel (Ni), % | 40.3 to 53.8 | |
| 3.0 to 5.0 |
| Niobium (Nb), % | 0 | |
| 0.15 to 0.45 |
| Phosphorus (P), % | 0 to 0.040 | |
| 0 to 0.040 |
| Silicon (Si), % | 0 to 1.0 | |
| 0 to 1.0 |
| Sulfur (S), % | 0 to 0.030 | |
| 0 to 0.030 |
| Tungsten (W), % | 0.2 to 1.0 | |
| 0 |
| Residuals, % | 0 to 0.5 | |
| 0 |