AISI 422 Stainless Steel vs. EN 1.6220 Steel
Both AISI 422 stainless steel and EN 1.6220 steel are iron alloys. They have 85% of their average alloy composition in common. There are 30 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 1.6220 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 260 to 330 | |
| 170 |
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 190 |
| Elongation at Break, % | 15 to 17 | |
| 23 to 25 |
| Fatigue Strength, MPa | 410 to 500 | |
| 240 to 250 |
| Poisson's Ratio | 0.28 | |
| 0.29 |
| Shear Modulus, GPa | 76 | |
| 73 |
| Tensile Strength: Ultimate (UTS), MPa | 910 to 1080 | |
| 550 to 580 |
| Tensile Strength: Yield (Proof), MPa | 670 to 870 | |
| 340 |
Thermal Properties
| Latent Heat of Fusion, J/g | 270 | |
| 250 |
| Maximum Temperature: Mechanical, °C | 650 | |
| 400 |
| Melting Completion (Liquidus), °C | 1480 | |
| 1460 |
| Melting Onset (Solidus), °C | 1470 | |
| 1420 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 470 |
| Thermal Conductivity, W/m-K | 24 | |
| 52 |
| Thermal Expansion, µm/m-K | 10 | |
| 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 4.7 | |
| 7.3 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 5.3 | |
| 8.4 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 11 | |
| 2.1 |
| Density, g/cm3 | 7.9 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 3.1 | |
| 1.5 |
| Embodied Energy, MJ/kg | 44 | |
| 19 |
| Embodied Water, L/kg | 100 | |
| 48 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 140 to 150 | |
| 110 to 120 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 1140 to 1910 | |
| 300 to 310 |
| Stiffness to Weight: Axial, points | 14 | |
| 13 |
| Stiffness to Weight: Bending, points | 25 | |
| 24 |
| Strength to Weight: Axial, points | 32 to 38 | |
| 19 to 20 |
| Strength to Weight: Bending, points | 26 to 30 | |
| 19 to 20 |
| Thermal Diffusivity, mm2/s | 6.4 | |
| 14 |
| Thermal Shock Resistance, points | 33 to 39 | |
| 16 to 17 |
Alloy Composition
| Carbon (C), % | 0.2 to 0.25 | |
| 0.17 to 0.23 |
| Chromium (Cr), % | 11 to 12.5 | |
| 0 |
| Iron (Fe), % | 81.9 to 85.8 | |
| 96.7 to 98.8 |
| Manganese (Mn), % | 0.5 to 1.0 | |
| 1.0 to 1.6 |
| Molybdenum (Mo), % | 0.9 to 1.3 | |
| 0 |
| Nickel (Ni), % | 0.5 to 1.0 | |
| 0 to 0.8 |
| Phosphorus (P), % | 0 to 0.025 | |
| 0 to 0.020 |
| Silicon (Si), % | 0 to 0.5 | |
| 0 to 0.6 |
| 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 |