S31727 Stainless Steel vs. EN 1.7244 Steel
Both S31727 stainless steel and EN 1.7244 steel are iron alloys. They have 60% of their average alloy composition in common. There are 22 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.
For each property being compared, the top bar is S31727 stainless steel and the bottom bar is EN 1.7244 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 190 | |
| 140 to 180 |
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 190 |
| Poisson's Ratio | 0.28 | |
| 0.29 |
| Reduction in Area, % | 56 | |
| 65 to 67 |
| Shear Modulus, GPa | 78 | |
| 73 |
| Tensile Strength: Ultimate (UTS), MPa | 630 | |
| 470 to 1390 |
Thermal Properties
| Latent Heat of Fusion, J/g | 290 | |
| 250 |
| Maximum Temperature: Mechanical, °C | 1010 | |
| 420 |
| Melting Completion (Liquidus), °C | 1440 | |
| 1460 |
| Melting Onset (Solidus), °C | 1390 | |
| 1420 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 470 |
| Thermal Expansion, µm/m-K | 16 | |
| 13 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 24 | |
| 2.5 |
| Density, g/cm3 | 8.0 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 4.7 | |
| 1.5 |
| Embodied Energy, MJ/kg | 64 | |
| 20 |
| Embodied Water, L/kg | 180 | |
| 51 |
Common Calculations
| Stiffness to Weight: Axial, points | 14 | |
| 13 |
| Stiffness to Weight: Bending, points | 24 | |
| 24 |
| Strength to Weight: Axial, points | 22 | |
| 17 to 49 |
| Strength to Weight: Bending, points | 20 | |
| 17 to 35 |
| Thermal Shock Resistance, points | 14 | |
| 14 to 41 |
Alloy Composition
| Carbon (C), % | 0 to 0.030 | |
| 0.15 to 0.21 |
| Chromium (Cr), % | 17.5 to 19 | |
| 0.9 to 1.2 |
| Copper (Cu), % | 2.8 to 4.0 | |
| 0 to 0.25 |
| Iron (Fe), % | 53.7 to 61.3 | |
| 96.8 to 98.2 |
| Manganese (Mn), % | 0 to 1.0 | |
| 0.6 to 0.9 |
| Molybdenum (Mo), % | 3.8 to 4.5 | |
| 0.15 to 0.25 |
| Nickel (Ni), % | 14.5 to 16.5 | |
| 0 |
| Nitrogen (N), % | 0.15 to 0.21 | |
| 0 |
| Phosphorus (P), % | 0 to 0.030 | |
| 0 to 0.025 |
| Silicon (Si), % | 0 to 1.0 | |
| 0 to 0.3 |
| Sulfur (S), % | 0 to 0.030 | |
| 0.020 to 0.040 |