S17400 Stainless Steel vs. EN 1.5503 Steel
Both S17400 stainless steel and EN 1.5503 steel are iron alloys. They have 75% 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 S17400 stainless steel and the bottom bar is EN 1.5503 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 280 to 440 | |
| 120 to 160 |
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 190 |
| Elongation at Break, % | 11 to 21 | |
| 12 to 17 |
| Fatigue Strength, MPa | 380 to 670 | |
| 180 to 280 |
| Poisson's Ratio | 0.28 | |
| 0.29 |
| Reduction in Area, % | 40 to 62 | |
| 63 to 72 |
| Shear Modulus, GPa | 75 | |
| 73 |
| Shear Strength, MPa | 570 to 830 | |
| 270 to 320 |
| Tensile Strength: Ultimate (UTS), MPa | 910 to 1390 | |
| 400 to 520 |
| Tensile Strength: Yield (Proof), MPa | 580 to 1250 | |
| 270 to 430 |
Thermal Properties
| Latent Heat of Fusion, J/g | 280 | |
| 250 |
| Maximum Temperature: Mechanical, °C | 850 | |
| 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 | 17 | |
| 52 |
| Thermal Expansion, µm/m-K | 11 | |
| 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 2.3 | |
| 7.0 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 2.6 | |
| 8.1 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 14 | |
| 1.8 |
| Density, g/cm3 | 7.8 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 2.7 | |
| 1.4 |
| Embodied Energy, MJ/kg | 39 | |
| 18 |
| Embodied Water, L/kg | 130 | |
| 46 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 140 to 160 | |
| 41 to 81 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 880 to 4060 | |
| 200 to 490 |
| Stiffness to Weight: Axial, points | 14 | |
| 13 |
| Stiffness to Weight: Bending, points | 25 | |
| 24 |
| Strength to Weight: Axial, points | 32 to 49 | |
| 14 to 19 |
| Strength to Weight: Bending, points | 27 to 35 | |
| 15 to 18 |
| Thermal Diffusivity, mm2/s | 4.5 | |
| 14 |
| Thermal Shock Resistance, points | 30 to 46 | |
| 12 to 15 |
Alloy Composition
| Boron (B), % | 0 | |
| 0.00080 to 0.0050 |
| Carbon (C), % | 0 to 0.070 | |
| 0.16 to 0.2 |
| Chromium (Cr), % | 15 to 17 | |
| 0 |
| Copper (Cu), % | 3.0 to 5.0 | |
| 0 to 0.25 |
| Iron (Fe), % | 70.4 to 78.9 | |
| 98.4 to 99.239 |
| Manganese (Mn), % | 0 to 1.0 | |
| 0.6 to 0.8 |
| Nickel (Ni), % | 3.0 to 5.0 | |
| 0 |
| Niobium (Nb), % | 0.15 to 0.45 | |
| 0 |
| Phosphorus (P), % | 0 to 0.040 | |
| 0 to 0.025 |
| Silicon (Si), % | 0 to 1.0 | |
| 0 to 0.3 |
| Sulfur (S), % | 0 to 0.030 | |
| 0 to 0.025 |