EN 1.4031 Stainless Steel vs. EN 1.5537 Steel
Both EN 1.4031 stainless steel and EN 1.5537 steel are iron alloys. They have 86% of their average alloy composition in common. There are 24 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 EN 1.4031 stainless steel and the bottom bar is EN 1.5537 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 190 |
| Poisson's Ratio | 0.28 | |
| 0.29 |
| Shear Modulus, GPa | 76 | |
| 73 |
| Tensile Strength: Ultimate (UTS), MPa | 670 to 900 | |
| 520 to 1760 |
Thermal Properties
| Latent Heat of Fusion, J/g | 280 | |
| 250 |
| Maximum Temperature: Mechanical, °C | 770 | |
| 400 |
| Melting Completion (Liquidus), °C | 1440 | |
| 1460 |
| Melting Onset (Solidus), °C | 1400 | |
| 1420 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 470 |
| Thermal Conductivity, W/m-K | 30 | |
| 48 |
| Thermal Expansion, µm/m-K | 11 | |
| 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 3.1 | |
| 7.2 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 3.7 | |
| 8.2 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 7.0 | |
| 1.9 |
| Density, g/cm3 | 7.7 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 1.9 | |
| 1.4 |
| Embodied Energy, MJ/kg | 27 | |
| 19 |
| Embodied Water, L/kg | 100 | |
| 47 |
Common Calculations
| Stiffness to Weight: Axial, points | 14 | |
| 13 |
| Stiffness to Weight: Bending, points | 25 | |
| 24 |
| Strength to Weight: Axial, points | 24 to 32 | |
| 18 to 63 |
| Strength to Weight: Bending, points | 22 to 27 | |
| 18 to 41 |
| Thermal Diffusivity, mm2/s | 8.1 | |
| 13 |
| Thermal Shock Resistance, points | 23 to 32 | |
| 15 to 52 |
Alloy Composition
| Boron (B), % | 0 | |
| 0.00080 to 0.0050 |
| Carbon (C), % | 0.36 to 0.42 | |
| 0.33 to 0.38 |
| Chromium (Cr), % | 12.5 to 14.5 | |
| 0 to 0.3 |
| Copper (Cu), % | 0 | |
| 0 to 0.25 |
| Iron (Fe), % | 83 to 87.1 | |
| 97.6 to 98.9 |
| Manganese (Mn), % | 0 to 1.0 | |
| 0.8 to 1.1 |
| Phosphorus (P), % | 0 to 0.040 | |
| 0 to 0.025 |
| Silicon (Si), % | 0 to 1.0 | |
| 0 to 0.3 |
| Sulfur (S), % | 0 to 0.015 | |
| 0 to 0.025 |