AISI 422 Stainless Steel vs. EN 1.1172 Steel
Both AISI 422 stainless steel and EN 1.1172 steel are iron alloys. They have 85% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (10, 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 1.1172 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 260 to 330 | |
| 140 to 170 |
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 190 |
| Poisson's Ratio | 0.28 | |
| 0.29 |
| Shear Modulus, GPa | 76 | |
| 72 |
| Tensile Strength: Ultimate (UTS), MPa | 910 to 1080 | |
| 480 to 1720 |
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 | |
| 51 |
| Thermal Expansion, µm/m-K | 10 | |
| 12 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 4.7 | |
| 7.1 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 5.3 | |
| 8.1 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 11 | |
| 1.8 |
| Density, g/cm3 | 7.9 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 3.1 | |
| 1.4 |
| Embodied Energy, MJ/kg | 44 | |
| 18 |
| Embodied Water, L/kg | 100 | |
| 46 |
Common Calculations
| Stiffness to Weight: Axial, points | 14 | |
| 13 |
| Stiffness to Weight: Bending, points | 25 | |
| 24 |
| Strength to Weight: Axial, points | 32 to 38 | |
| 17 to 61 |
| Strength to Weight: Bending, points | 26 to 30 | |
| 17 to 41 |
| Thermal Diffusivity, mm2/s | 6.4 | |
| 14 |
| Thermal Shock Resistance, points | 33 to 39 | |
| 15 to 55 |
Alloy Composition
| Carbon (C), % | 0.2 to 0.25 | |
| 0.32 to 0.39 |
| Chromium (Cr), % | 11 to 12.5 | |
| 0 |
| Copper (Cu), % | 0 | |
| 0 to 0.25 |
| Iron (Fe), % | 81.9 to 85.8 | |
| 98.2 to 99.18 |
| Manganese (Mn), % | 0.5 to 1.0 | |
| 0.5 to 0.8 |
| Molybdenum (Mo), % | 0.9 to 1.3 | |
| 0 |
| Nickel (Ni), % | 0.5 to 1.0 | |
| 0 |
| Phosphorus (P), % | 0 to 0.025 | |
| 0 to 0.025 |
| Silicon (Si), % | 0 to 0.5 | |
| 0 to 0.3 |
| Sulfur (S), % | 0 to 0.025 | |
| 0 to 0.025 |
| Tungsten (W), % | 0.9 to 1.3 | |
| 0 |
| Vanadium (V), % | 0.2 to 0.3 | |
| 0 |