AWS ERNiCrMo-2 vs. SAE-AISI S4 Steel
AWS ERNiCrMo-2 belongs to the nickel alloys classification, while SAE-AISI S4 steel belongs to the iron alloys.
For each property being compared, the top bar is AWS ERNiCrMo-2 and the bottom bar is SAE-AISI S4 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 210 | |
| 190 |
| Poisson's Ratio | 0.28 | |
| 0.29 |
| Shear Modulus, GPa | 81 | |
| 72 |
| Tensile Strength: Ultimate (UTS), MPa | 750 | |
| 670 to 2140 |
Thermal Properties
| Latent Heat of Fusion, J/g | 320 | |
| 280 |
| Melting Completion (Liquidus), °C | 1460 | |
| 1430 |
| Melting Onset (Solidus), °C | 1410 | |
| 1390 |
| Specific Heat Capacity, J/kg-K | 450 | |
| 480 |
| Thermal Conductivity, W/m-K | 11 | |
| 44 |
| Thermal Expansion, µm/m-K | 13 | |
| 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 1.5 | |
| 7.4 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 1.6 | |
| 8.7 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 55 | |
| 2.2 |
| Density, g/cm3 | 8.4 | |
| 7.7 |
| Embodied Carbon, kg CO2/kg material | 9.2 | |
| 2.0 |
| Embodied Energy, MJ/kg | 120 | |
| 29 |
| Embodied Water, L/kg | 270 | |
| 48 |
Common Calculations
| Stiffness to Weight: Axial, points | 14 | |
| 13 |
| Stiffness to Weight: Bending, points | 23 | |
| 25 |
| Strength to Weight: Axial, points | 25 | |
| 24 to 77 |
| Strength to Weight: Bending, points | 22 | |
| 22 to 48 |
| Thermal Diffusivity, mm2/s | 2.9 | |
| 12 |
| Thermal Shock Resistance, points | 20 | |
| 20 to 65 |
Alloy Composition
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| Carbon (C), % | 0.050 to 0.15 | |
| 0.5 to 0.65 |
| Chromium (Cr), % | 20.5 to 23 | |
| 0.1 to 0.5 |
| Cobalt (Co), % | 0.5 to 2.5 | |
| 0 |
| Copper (Cu), % | 0 to 0.5 | |
| 0 |
| Iron (Fe), % | 17 to 20 | |
| 95.2 to 96.9 |
| Manganese (Mn), % | 0 to 1.0 | |
| 0.6 to 1.0 |
| Molybdenum (Mo), % | 8.0 to 10 | |
| 0 |
| Nickel (Ni), % | 40.3 to 53.8 | |
| 0 |
| Phosphorus (P), % | 0 to 0.040 | |
| 0 to 0.030 |
| Silicon (Si), % | 0 to 1.0 | |
| 1.8 to 2.3 |
| Sulfur (S), % | 0 to 0.030 | |
| 0 to 0.030 |
| Tungsten (W), % | 0.2 to 1.0 | |
| 0 |
| Vanadium (V), % | 0 | |
| 0.15 to 0.35 |
| Residuals, % | 0 to 0.5 | |
| 0 |