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