EN 1.4122 Stainless Steel vs. EN 1.5662 Steel
Both EN 1.4122 stainless steel and EN 1.5662 steel are iron alloys. They have 82% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.
For each property being compared, the top bar is EN 1.4122 stainless steel and the bottom bar is EN 1.5662 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 190 |
| Elongation at Break, % | 14 | |
| 20 |
| Fatigue Strength, MPa | 260 to 360 | |
| 380 to 450 |
| Poisson's Ratio | 0.28 | |
| 0.29 |
| Shear Modulus, GPa | 77 | |
| 73 |
| Shear Strength, MPa | 480 to 520 | |
| 460 to 470 |
| Tensile Strength: Ultimate (UTS), MPa | 790 to 850 | |
| 740 to 750 |
| Tensile Strength: Yield (Proof), MPa | 450 to 630 | |
| 550 to 660 |
Thermal Properties
| Latent Heat of Fusion, J/g | 280 | |
| 250 |
| Maximum Temperature: Mechanical, °C | 870 | |
| 430 |
| Melting Completion (Liquidus), °C | 1440 | |
| 1460 |
| Melting Onset (Solidus), °C | 1400 | |
| 1410 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 470 |
| Thermal Expansion, µm/m-K | 10 | |
| 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 2.2 | |
| 8.7 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 2.5 | |
| 9.8 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 9.5 | |
| 7.5 |
| Density, g/cm3 | 7.7 | |
| 8.0 |
| Embodied Carbon, kg CO2/kg material | 2.4 | |
| 2.3 |
| Embodied Energy, MJ/kg | 33 | |
| 31 |
| Embodied Water, L/kg | 120 | |
| 63 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 93 to 110 | |
| 140 to 150 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 520 to 1000 | |
| 810 to 1150 |
| Stiffness to Weight: Axial, points | 14 | |
| 13 |
| Stiffness to Weight: Bending, points | 25 | |
| 24 |
| Strength to Weight: Axial, points | 28 to 31 | |
| 26 |
| Strength to Weight: Bending, points | 25 to 26 | |
| 23 |
| Thermal Shock Resistance, points | 28 to 30 | |
| 22 |
Alloy Composition
| Carbon (C), % | 0.33 to 0.45 | |
| 0 to 0.1 |
| Chromium (Cr), % | 15.5 to 17.5 | |
| 0 |
| Iron (Fe), % | 77.2 to 83.4 | |
| 88.6 to 91.2 |
| Manganese (Mn), % | 0 to 1.5 | |
| 0.3 to 0.8 |
| Molybdenum (Mo), % | 0.8 to 1.3 | |
| 0 to 0.1 |
| Nickel (Ni), % | 0 to 1.0 | |
| 8.5 to 10 |
| Phosphorus (P), % | 0 to 0.040 | |
| 0 to 0.020 |
| Silicon (Si), % | 0 to 1.0 | |
| 0 to 0.35 |
| Sulfur (S), % | 0 to 0.015 | |
| 0 to 0.0050 |
| Vanadium (V), % | 0 | |
| 0 to 0.050 |