AISI 431 Stainless Steel vs. EN 1.7710 Steel
Both AISI 431 stainless steel and EN 1.7710 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 1.7710 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 250 | |
| 280 to 320 |
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 190 |
| Elongation at Break, % | 15 to 17 | |
| 6.8 to 11 |
| Fatigue Strength, MPa | 430 to 610 | |
| 500 to 620 |
| Poisson's Ratio | 0.28 | |
| 0.29 |
| Shear Modulus, GPa | 77 | |
| 73 |
| Tensile Strength: Ultimate (UTS), MPa | 890 to 1380 | |
| 930 to 1070 |
| Tensile Strength: Yield (Proof), MPa | 710 to 1040 | |
| 800 to 1060 |
Thermal Properties
| Latent Heat of Fusion, J/g | 280 | |
| 260 |
| Maximum Temperature: Mechanical, °C | 850 | |
| 440 |
| Melting Completion (Liquidus), °C | 1510 | |
| 1470 |
| Melting Onset (Solidus), °C | 1450 | |
| 1430 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 470 |
| Thermal Conductivity, W/m-K | 26 | |
| 41 |
| 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 | |
| 3.5 |
| Density, g/cm3 | 7.7 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 2.2 | |
| 2.2 |
| Embodied Energy, MJ/kg | 31 | |
| 30 |
| Embodied Water, L/kg | 120 | |
| 57 |
Common Calculations
| PREN (Pitting Resistance) | 16 | |
| 4.5 |
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 140 to 180 | |
| 73 to 100 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 1270 to 2770 | |
| 1680 to 2970 |
| Stiffness to Weight: Axial, points | 14 | |
| 13 |
| Stiffness to Weight: Bending, points | 25 | |
| 24 |
| Strength to Weight: Axial, points | 32 to 50 | |
| 33 to 38 |
| Strength to Weight: Bending, points | 27 to 36 | |
| 27 to 30 |
| Thermal Diffusivity, mm2/s | 7.0 | |
| 11 |
| Thermal Shock Resistance, points | 28 to 43 | |
| 27 to 31 |
Alloy Composition
| Carbon (C), % | 0 to 0.2 | |
| 0.12 to 0.18 |
| Chromium (Cr), % | 15 to 17 | |
| 1.3 to 1.8 |
| Iron (Fe), % | 78.2 to 83.8 | |
| 95.1 to 97 |
| Manganese (Mn), % | 0 to 1.0 | |
| 0.6 to 1.0 |
| Molybdenum (Mo), % | 0 | |
| 0.8 to 1.0 |
| Nickel (Ni), % | 1.3 to 2.5 | |
| 0 |
| Phosphorus (P), % | 0 to 0.040 | |
| 0 to 0.025 |
| Silicon (Si), % | 0 to 1.0 | |
| 0 to 0.6 |
| Sulfur (S), % | 0 to 0.030 | |
| 0 to 0.030 |
| Vanadium (V), % | 0 | |
| 0.15 to 0.25 |