EN 1.5520 Steel vs. S17400 Stainless Steel
Both EN 1.5520 steel and S17400 stainless steel are iron alloys. They have 76% of their average alloy composition in common. There are 32 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 EN 1.5520 steel and the bottom bar is S17400 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 120 to 170 | |
| 280 to 440 |
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 190 |
| Elongation at Break, % | 11 to 21 | |
| 11 to 21 |
| Fatigue Strength, MPa | 210 to 300 | |
| 380 to 670 |
| Poisson's Ratio | 0.29 | |
| 0.28 |
| Reduction in Area, % | 62 to 75 | |
| 40 to 62 |
| Shear Modulus, GPa | 73 | |
| 75 |
| Shear Strength, MPa | 290 to 340 | |
| 570 to 830 |
| Tensile Strength: Ultimate (UTS), MPa | 410 to 1410 | |
| 910 to 1390 |
| Tensile Strength: Yield (Proof), MPa | 300 to 480 | |
| 580 to 1250 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 280 |
| Maximum Temperature: Mechanical, °C | 400 | |
| 850 |
| Melting Completion (Liquidus), °C | 1460 | |
| 1440 |
| Melting Onset (Solidus), °C | 1420 | |
| 1400 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 480 |
| Thermal Conductivity, W/m-K | 50 | |
| 17 |
| Thermal Expansion, µm/m-K | 13 | |
| 11 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.1 | |
| 2.3 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.2 | |
| 2.6 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 1.9 | |
| 14 |
| Density, g/cm3 | 7.8 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 1.4 | |
| 2.7 |
| Embodied Energy, MJ/kg | 19 | |
| 39 |
| Embodied Water, L/kg | 48 | |
| 130 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 42 to 230 | |
| 140 to 160 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 240 to 600 | |
| 880 to 4060 |
| Stiffness to Weight: Axial, points | 13 | |
| 14 |
| Stiffness to Weight: Bending, points | 24 | |
| 25 |
| Strength to Weight: Axial, points | 15 to 50 | |
| 32 to 49 |
| Strength to Weight: Bending, points | 16 to 36 | |
| 27 to 35 |
| Thermal Diffusivity, mm2/s | 13 | |
| 4.5 |
| Thermal Shock Resistance, points | 12 to 41 | |
| 30 to 46 |
Alloy Composition
| Boron (B), % | 0.00080 to 0.0050 | |
| 0 |
| Carbon (C), % | 0.15 to 0.2 | |
| 0 to 0.070 |
| Chromium (Cr), % | 0 to 0.3 | |
| 15 to 17 |
| Copper (Cu), % | 0 to 0.25 | |
| 3.0 to 5.0 |
| Iron (Fe), % | 97.7 to 98.9 | |
| 70.4 to 78.9 |
| Manganese (Mn), % | 0.9 to 1.2 | |
| 0 to 1.0 |
| Nickel (Ni), % | 0 | |
| 3.0 to 5.0 |
| Niobium (Nb), % | 0 | |
| 0.15 to 0.45 |
| Phosphorus (P), % | 0 to 0.025 | |
| 0 to 0.040 |
| Silicon (Si), % | 0 to 0.3 | |
| 0 to 1.0 |
| Sulfur (S), % | 0 to 0.025 | |
| 0 to 0.030 |