EN 1.4971 Stainless Steel vs. AWS ERNiCrMo-2
EN 1.4971 stainless steel belongs to the iron alloys classification, while AWS ERNiCrMo-2 belongs to the nickel alloys. They have 66% of their average alloy composition in common. There are 21 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.
For each property being compared, the top bar is EN 1.4971 stainless steel and the bottom bar is AWS ERNiCrMo-2.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 210 | |
| 210 |
| Poisson's Ratio | 0.29 | |
| 0.28 |
| Shear Modulus, GPa | 81 | |
| 81 |
| Tensile Strength: Ultimate (UTS), MPa | 800 | |
| 750 |
Thermal Properties
| Latent Heat of Fusion, J/g | 300 | |
| 320 |
| Melting Completion (Liquidus), °C | 1460 | |
| 1460 |
| Melting Onset (Solidus), °C | 1410 | |
| 1410 |
| Specific Heat Capacity, J/kg-K | 450 | |
| 450 |
| Thermal Conductivity, W/m-K | 13 | |
| 11 |
| Thermal Expansion, µm/m-K | 15 | |
| 13 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 70 | |
| 55 |
| Density, g/cm3 | 8.4 | |
| 8.4 |
| Embodied Carbon, kg CO2/kg material | 7.6 | |
| 9.2 |
| Embodied Energy, MJ/kg | 110 | |
| 120 |
| Embodied Water, L/kg | 300 | |
| 270 |
Common Calculations
| Stiffness to Weight: Axial, points | 14 | |
| 14 |
| Stiffness to Weight: Bending, points | 24 | |
| 23 |
| Strength to Weight: Axial, points | 26 | |
| 25 |
| Strength to Weight: Bending, points | 23 | |
| 22 |
| Thermal Diffusivity, mm2/s | 3.4 | |
| 2.9 |
| Thermal Shock Resistance, points | 19 | |
| 20 |
Alloy Composition
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| Carbon (C), % | 0.080 to 0.16 | |
| 0.050 to 0.15 |
| Chromium (Cr), % | 20 to 22.5 | |
| 20.5 to 23 |
| Cobalt (Co), % | 18.5 to 21 | |
| 0.5 to 2.5 |
| Copper (Cu), % | 0 | |
| 0 to 0.5 |
| Iron (Fe), % | 24.3 to 37.1 | |
| 17 to 20 |
| Manganese (Mn), % | 0 to 2.0 | |
| 0 to 1.0 |
| Molybdenum (Mo), % | 2.5 to 3.5 | |
| 8.0 to 10 |
| Nickel (Ni), % | 19 to 21 | |
| 40.3 to 53.8 |
| Niobium (Nb), % | 0.75 to 1.3 | |
| 0 |
| Nitrogen (N), % | 0.1 to 0.2 | |
| 0 |
| Phosphorus (P), % | 0 to 0.035 | |
| 0 to 0.040 |
| Silicon (Si), % | 0 to 1.0 | |
| 0 to 1.0 |
| Sulfur (S), % | 0 to 0.015 | |
| 0 to 0.030 |
| Tungsten (W), % | 2.0 to 3.0 | |
| 0.2 to 1.0 |
| Residuals, % | 0 | |
| 0 to 0.5 |