AISI 422 Stainless Steel vs. EN 1.4371 Stainless Steel
Both AISI 422 stainless steel and EN 1.4371 stainless steel are iron alloys. They have 84% of their average alloy composition in common. There are 33 material properties with values for both materials. Properties with values for just one material (2, 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 1.4371 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 260 to 330 | |
| 220 to 230 |
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 200 |
| Elongation at Break, % | 15 to 17 | |
| 45 to 51 |
| Fatigue Strength, MPa | 410 to 500 | |
| 290 to 340 |
| Poisson's Ratio | 0.28 | |
| 0.28 |
| Shear Modulus, GPa | 76 | |
| 77 |
| Shear Strength, MPa | 560 to 660 | |
| 520 to 540 |
| Tensile Strength: Ultimate (UTS), MPa | 910 to 1080 | |
| 740 to 750 |
| Tensile Strength: Yield (Proof), MPa | 670 to 870 | |
| 320 to 340 |
Thermal Properties
| Latent Heat of Fusion, J/g | 270 | |
| 280 |
| Maximum Temperature: Corrosion, °C | 380 | |
| 410 |
| Maximum Temperature: Mechanical, °C | 650 | |
| 880 |
| Melting Completion (Liquidus), °C | 1480 | |
| 1410 |
| Melting Onset (Solidus), °C | 1470 | |
| 1370 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 480 |
| Thermal Conductivity, W/m-K | 24 | |
| 15 |
| Thermal Expansion, µm/m-K | 10 | |
| 17 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 4.7 | |
| 2.5 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 5.3 | |
| 2.9 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 11 | |
| 12 |
| Density, g/cm3 | 7.9 | |
| 7.7 |
| Embodied Carbon, kg CO2/kg material | 3.1 | |
| 2.6 |
| Embodied Energy, MJ/kg | 44 | |
| 38 |
| Embodied Water, L/kg | 100 | |
| 140 |
Common Calculations
| PREN (Pitting Resistance) | 17 | |
| 20 |
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 140 to 150 | |
| 270 to 310 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 1140 to 1910 | |
| 250 to 300 |
| Stiffness to Weight: Axial, points | 14 | |
| 14 |
| Stiffness to Weight: Bending, points | 25 | |
| 25 |
| Strength to Weight: Axial, points | 32 to 38 | |
| 27 |
| Strength to Weight: Bending, points | 26 to 30 | |
| 24 |
| Thermal Diffusivity, mm2/s | 6.4 | |
| 4.0 |
| Thermal Shock Resistance, points | 33 to 39 | |
| 16 |
Alloy Composition
| Carbon (C), % | 0.2 to 0.25 | |
| 0 to 0.030 |
| Chromium (Cr), % | 11 to 12.5 | |
| 16 to 17.5 |
| Copper (Cu), % | 0 | |
| 0 to 1.0 |
| Iron (Fe), % | 81.9 to 85.8 | |
| 66.7 to 74.4 |
| Manganese (Mn), % | 0.5 to 1.0 | |
| 6.0 to 8.0 |
| Molybdenum (Mo), % | 0.9 to 1.3 | |
| 0 |
| Nickel (Ni), % | 0.5 to 1.0 | |
| 3.5 to 5.5 |
| Nitrogen (N), % | 0 | |
| 0.15 to 0.25 |
| 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 0.015 |
| Tungsten (W), % | 0.9 to 1.3 | |
| 0 |
| Vanadium (V), % | 0.2 to 0.3 | |
| 0 |