AWS ERNiMo-3 vs. EN 1.4903 Stainless Steel
AWS ERNiMo-3 belongs to the nickel alloys classification, while EN 1.4903 stainless steel belongs to the iron alloys. There are 19 material properties with values for both materials. Properties with values for just one material (14, in this case) are not shown.
For each property being compared, the top bar is AWS ERNiMo-3 and the bottom bar is EN 1.4903 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 220 | |
| 190 |
| Poisson's Ratio | 0.3 | |
| 0.28 |
| Shear Modulus, GPa | 83 | |
| 75 |
| Tensile Strength: Ultimate (UTS), MPa | 770 | |
| 670 to 680 |
Thermal Properties
| Latent Heat of Fusion, J/g | 320 | |
| 270 |
| Melting Completion (Liquidus), °C | 1600 | |
| 1460 |
| Melting Onset (Solidus), °C | 1540 | |
| 1420 |
| Specific Heat Capacity, J/kg-K | 400 | |
| 470 |
| Thermal Expansion, µm/m-K | 11 | |
| 11 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 70 | |
| 7.0 |
| Density, g/cm3 | 9.1 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 15 | |
| 2.6 |
| Embodied Energy, MJ/kg | 190 | |
| 36 |
| Embodied Water, L/kg | 270 | |
| 88 |
Common Calculations
| Stiffness to Weight: Axial, points | 13 | |
| 14 |
| Stiffness to Weight: Bending, points | 22 | |
| 25 |
| Strength to Weight: Axial, points | 24 | |
| 24 |
| Strength to Weight: Bending, points | 21 | |
| 22 |
| Thermal Shock Resistance, points | 24 | |
| 23 |
Alloy Composition
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| Aluminum (Al), % | 0 | |
| 0 to 0.040 |
| Carbon (C), % | 0 to 0.12 | |
| 0.080 to 0.12 |
| Chromium (Cr), % | 4.0 to 6.0 | |
| 8.0 to 9.5 |
| Cobalt (Co), % | 0 to 2.5 | |
| 0 |
| Copper (Cu), % | 0 to 0.5 | |
| 0 to 0.3 |
| Iron (Fe), % | 4.0 to 7.0 | |
| 87.1 to 90.5 |
| Manganese (Mn), % | 0 to 1.0 | |
| 0.3 to 0.6 |
| Molybdenum (Mo), % | 23 to 26 | |
| 0.85 to 1.1 |
| Nickel (Ni), % | 53.7 to 69 | |
| 0 to 0.4 |
| Niobium (Nb), % | 0 | |
| 0.060 to 0.1 |
| Nitrogen (N), % | 0 | |
| 0.030 to 0.070 |
| Phosphorus (P), % | 0 to 0.040 | |
| 0 to 0.025 |
| Silicon (Si), % | 0 to 1.0 | |
| 0 to 0.5 |
| Sulfur (S), % | 0 to 0.030 | |
| 0 to 0.015 |
| Tungsten (W), % | 0 to 1.0 | |
| 0 |
| Vanadium (V), % | 0 to 0.6 | |
| 0.18 to 0.25 |
| Residuals, % | 0 to 0.5 | |
| 0 |