AISI 422 Stainless Steel vs. EN 1.4020 Stainless Steel
Both AISI 422 stainless steel and EN 1.4020 stainless steel are iron alloys. They have 81% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.
For each property being compared, the top bar is AISI 422 stainless steel and the bottom bar is EN 1.4020 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 260 to 330 | |
| 190 to 340 |
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 200 |
| Elongation at Break, % | 15 to 17 | |
| 13 to 34 |
| Fatigue Strength, MPa | 410 to 500 | |
| 340 to 540 |
| Poisson's Ratio | 0.28 | |
| 0.28 |
| Shear Modulus, GPa | 76 | |
| 77 |
| Shear Strength, MPa | 560 to 660 | |
| 510 to 680 |
| Tensile Strength: Ultimate (UTS), MPa | 910 to 1080 | |
| 770 to 1130 |
| Tensile Strength: Yield (Proof), MPa | 670 to 870 | |
| 430 to 950 |
Thermal Properties
| Latent Heat of Fusion, J/g | 270 | |
| 280 |
| Maximum Temperature: Corrosion, °C | 380 | |
| 410 |
| Maximum Temperature: Mechanical, °C | 650 | |
| 890 |
| Melting Completion (Liquidus), °C | 1480 | |
| 1390 |
| Melting Onset (Solidus), °C | 1470 | |
| 1350 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 480 |
| Thermal Expansion, µm/m-K | 10 | |
| 17 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 11 | |
| 11 |
| Density, g/cm3 | 7.9 | |
| 7.6 |
| Embodied Carbon, kg CO2/kg material | 3.1 | |
| 2.5 |
| Embodied Energy, MJ/kg | 44 | |
| 37 |
| Embodied Water, L/kg | 100 | |
| 150 |
Common Calculations
| PREN (Pitting Resistance) | 17 | |
| 23 |
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 140 to 150 | |
| 140 to 220 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 1140 to 1910 | |
| 460 to 2290 |
| Stiffness to Weight: Axial, points | 14 | |
| 14 |
| Stiffness to Weight: Bending, points | 25 | |
| 25 |
| Strength to Weight: Axial, points | 32 to 38 | |
| 28 to 41 |
| Strength to Weight: Bending, points | 26 to 30 | |
| 25 to 32 |
| Thermal Shock Resistance, points | 33 to 39 | |
| 16 to 23 |
Alloy Composition
| Carbon (C), % | 0.2 to 0.25 | |
| 0 to 0.15 |
| Chromium (Cr), % | 11 to 12.5 | |
| 16.5 to 19 |
| Iron (Fe), % | 81.9 to 85.8 | |
| 62.8 to 71.8 |
| Manganese (Mn), % | 0.5 to 1.0 | |
| 11 to 14 |
| Molybdenum (Mo), % | 0.9 to 1.3 | |
| 0 |
| Nickel (Ni), % | 0.5 to 1.0 | |
| 0.5 to 2.5 |
| Nitrogen (N), % | 0 | |
| 0.2 to 0.45 |
| Phosphorus (P), % | 0 to 0.025 | |
| 0 to 0.045 |
| Silicon (Si), % | 0 to 0.5 | |
| 0 to 1.0 |
| Sulfur (S), % | 0 to 0.025 | |
| 0 to 0.030 |
| Tungsten (W), % | 0.9 to 1.3 | |
| 0 |
| Vanadium (V), % | 0.2 to 0.3 | |
| 0 |