AISI 431 Stainless Steel vs. EN 1.6368 Steel
Both AISI 431 stainless steel and EN 1.6368 steel are iron alloys. They have 83% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.
For each property being compared, the top bar is AISI 431 stainless steel and the bottom bar is EN 1.6368 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 250 | |
| 200 to 210 |
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 190 |
| Elongation at Break, % | 15 to 17 | |
| 18 |
| Fatigue Strength, MPa | 430 to 610 | |
| 310 to 330 |
| Poisson's Ratio | 0.28 | |
| 0.29 |
| Shear Modulus, GPa | 77 | |
| 73 |
| Shear Strength, MPa | 550 to 840 | |
| 410 to 430 |
| Tensile Strength: Ultimate (UTS), MPa | 890 to 1380 | |
| 660 to 690 |
| Tensile Strength: Yield (Proof), MPa | 710 to 1040 | |
| 460 to 490 |
Thermal Properties
| Latent Heat of Fusion, J/g | 280 | |
| 250 |
| Maximum Temperature: Mechanical, °C | 850 | |
| 410 |
| Melting Completion (Liquidus), °C | 1510 | |
| 1460 |
| Melting Onset (Solidus), °C | 1450 | |
| 1420 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 470 |
| Thermal Conductivity, W/m-K | 26 | |
| 40 |
| Thermal Expansion, µm/m-K | 12 | |
| 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 2.6 | |
| 7.5 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 3.0 | |
| 8.6 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 9.0 | |
| 3.4 |
| Density, g/cm3 | 7.7 | |
| 7.9 |
| Embodied Carbon, kg CO2/kg material | 2.2 | |
| 1.7 |
| Embodied Energy, MJ/kg | 31 | |
| 22 |
| Embodied Water, L/kg | 120 | |
| 53 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 140 to 180 | |
| 110 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 1270 to 2770 | |
| 580 to 650 |
| Stiffness to Weight: Axial, points | 14 | |
| 13 |
| Stiffness to Weight: Bending, points | 25 | |
| 24 |
| Strength to Weight: Axial, points | 32 to 50 | |
| 23 to 24 |
| Strength to Weight: Bending, points | 27 to 36 | |
| 21 to 22 |
| Thermal Diffusivity, mm2/s | 7.0 | |
| 11 |
| Thermal Shock Resistance, points | 28 to 43 | |
| 20 |
Alloy Composition
| Aluminum (Al), % | 0 | |
| 0.015 to 0.040 |
| Carbon (C), % | 0 to 0.2 | |
| 0 to 0.17 |
| Chromium (Cr), % | 15 to 17 | |
| 0 to 0.3 |
| Copper (Cu), % | 0 | |
| 0.5 to 0.8 |
| Iron (Fe), % | 78.2 to 83.8 | |
| 95.1 to 97.2 |
| Manganese (Mn), % | 0 to 1.0 | |
| 0.8 to 1.2 |
| Molybdenum (Mo), % | 0 | |
| 0.25 to 0.5 |
| Nickel (Ni), % | 1.3 to 2.5 | |
| 1.0 to 1.3 |
| Niobium (Nb), % | 0 | |
| 0.015 to 0.045 |
| Nitrogen (N), % | 0 | |
| 0 to 0.020 |
| Phosphorus (P), % | 0 to 0.040 | |
| 0 to 0.025 |
| Silicon (Si), % | 0 to 1.0 | |
| 0.25 to 0.5 |
| Sulfur (S), % | 0 to 0.030 | |
| 0 to 0.010 |