EN 1.4421 Stainless Steel vs. AWS ENiCrMo-4
EN 1.4421 stainless steel belongs to the iron alloys classification, while AWS ENiCrMo-4 belongs to the nickel alloys. They have a modest 27% of their average alloy composition in common, which, by itself, doesn't mean much. There are 20 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 1.4421 stainless steel and the bottom bar is AWS ENiCrMo-4.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 220 |
| Elongation at Break, % | 11 to 17 | |
| 28 |
| Poisson's Ratio | 0.28 | |
| 0.29 |
| Shear Modulus, GPa | 77 | |
| 84 |
| Tensile Strength: Ultimate (UTS), MPa | 880 to 1100 | |
| 790 |
Thermal Properties
| Latent Heat of Fusion, J/g | 280 | |
| 320 |
| Melting Completion (Liquidus), °C | 1440 | |
| 1590 |
| Melting Onset (Solidus), °C | 1400 | |
| 1530 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 410 |
| Thermal Expansion, µm/m-K | 10 | |
| 12 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 12 | |
| 70 |
| Density, g/cm3 | 7.8 | |
| 9.0 |
| Embodied Carbon, kg CO2/kg material | 2.6 | |
| 13 |
| Embodied Energy, MJ/kg | 36 | |
| 170 |
| Embodied Water, L/kg | 130 | |
| 280 |
Common Calculations
| Stiffness to Weight: Axial, points | 14 | |
| 13 |
| Stiffness to Weight: Bending, points | 25 | |
| 22 |
| Strength to Weight: Axial, points | 31 to 39 | |
| 24 |
| Strength to Weight: Bending, points | 26 to 30 | |
| 21 |
| Thermal Shock Resistance, points | 31 to 39 | |
| 22 |
Alloy Composition
| Carbon (C), % | 0 to 0.060 | |
| 0 to 0.020 |
| Chromium (Cr), % | 15.5 to 17.5 | |
| 14.5 to 16.5 |
| Cobalt (Co), % | 0 | |
| 0 to 2.5 |
| Copper (Cu), % | 0 | |
| 0 to 0.5 |
| Iron (Fe), % | 74.4 to 80.5 | |
| 4.0 to 7.0 |
| Manganese (Mn), % | 0 to 1.0 | |
| 0 to 1.0 |
| Molybdenum (Mo), % | 0 to 0.7 | |
| 15 to 17 |
| Nickel (Ni), % | 4.0 to 5.5 | |
| 49.9 to 63.5 |
| Phosphorus (P), % | 0 to 0.035 | |
| 0 to 0.040 |
| Silicon (Si), % | 0 to 0.8 | |
| 0 to 0.2 |
| Sulfur (S), % | 0 to 0.020 | |
| 0 to 0.030 |
| Tungsten (W), % | 0 | |
| 3.0 to 4.5 |
| Vanadium (V), % | 0 | |
| 0 to 0.35 |
| Residuals, % | 0 | |
| 0 to 0.5 |