EN 1.5520 Steel vs. S31727 Stainless Steel
Both EN 1.5520 steel and S31727 stainless steel are iron alloys. They have 58% 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 1.5520 steel and the bottom bar is S31727 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 120 to 170 | |
| 190 |
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 200 |
| Elongation at Break, % | 11 to 21 | |
| 40 |
| Fatigue Strength, MPa | 210 to 300 | |
| 240 |
| Poisson's Ratio | 0.29 | |
| 0.28 |
| Reduction in Area, % | 62 to 75 | |
| 56 |
| Shear Modulus, GPa | 73 | |
| 78 |
| Shear Strength, MPa | 290 to 340 | |
| 430 |
| Tensile Strength: Ultimate (UTS), MPa | 410 to 1410 | |
| 630 |
| Tensile Strength: Yield (Proof), MPa | 300 to 480 | |
| 270 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 290 |
| Maximum Temperature: Mechanical, °C | 400 | |
| 1010 |
| Melting Completion (Liquidus), °C | 1460 | |
| 1440 |
| Melting Onset (Solidus), °C | 1420 | |
| 1390 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 470 |
| Thermal Expansion, µm/m-K | 13 | |
| 16 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 1.9 | |
| 24 |
| Density, g/cm3 | 7.8 | |
| 8.0 |
| Embodied Carbon, kg CO2/kg material | 1.4 | |
| 4.7 |
| Embodied Energy, MJ/kg | 19 | |
| 64 |
| Embodied Water, L/kg | 48 | |
| 180 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 42 to 230 | |
| 200 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 240 to 600 | |
| 190 |
| Stiffness to Weight: Axial, points | 13 | |
| 14 |
| Stiffness to Weight: Bending, points | 24 | |
| 24 |
| Strength to Weight: Axial, points | 15 to 50 | |
| 22 |
| Strength to Weight: Bending, points | 16 to 36 | |
| 20 |
| Thermal Shock Resistance, points | 12 to 41 | |
| 14 |
Alloy Composition
| Boron (B), % | 0.00080 to 0.0050 | |
| 0 |
| Carbon (C), % | 0.15 to 0.2 | |
| 0 to 0.030 |
| Chromium (Cr), % | 0 to 0.3 | |
| 17.5 to 19 |
| Copper (Cu), % | 0 to 0.25 | |
| 2.8 to 4.0 |
| Iron (Fe), % | 97.7 to 98.9 | |
| 53.7 to 61.3 |
| Manganese (Mn), % | 0.9 to 1.2 | |
| 0 to 1.0 |
| Molybdenum (Mo), % | 0 | |
| 3.8 to 4.5 |
| Nickel (Ni), % | 0 | |
| 14.5 to 16.5 |
| Nitrogen (N), % | 0 | |
| 0.15 to 0.21 |
| Phosphorus (P), % | 0 to 0.025 | |
| 0 to 0.030 |
| Silicon (Si), % | 0 to 0.3 | |
| 0 to 1.0 |
| Sulfur (S), % | 0 to 0.025 | |
| 0 to 0.030 |