S17400 Stainless Steel vs. EN 1.1203 Steel
Both S17400 stainless steel and EN 1.1203 steel are iron alloys. They have 76% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.
For each property being compared, the top bar is S17400 stainless steel and the bottom bar is EN 1.1203 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 280 to 440 | |
| 200 to 230 |
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 190 |
| Elongation at Break, % | 11 to 21 | |
| 12 to 15 |
| Fatigue Strength, MPa | 380 to 670 | |
| 210 to 310 |
| Poisson's Ratio | 0.28 | |
| 0.29 |
| Shear Modulus, GPa | 75 | |
| 72 |
| Shear Strength, MPa | 570 to 830 | |
| 420 to 480 |
| Tensile Strength: Ultimate (UTS), MPa | 910 to 1390 | |
| 690 to 780 |
| Tensile Strength: Yield (Proof), MPa | 580 to 1250 | |
| 340 to 480 |
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 | |
| 48 |
| Thermal Expansion, µm/m-K | 11 | |
| 12 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 2.3 | |
| 7.2 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 2.6 | |
| 8.3 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 14 | |
| 2.1 |
| Density, g/cm3 | 7.8 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 2.7 | |
| 1.4 |
| Embodied Energy, MJ/kg | 39 | |
| 19 |
| Embodied Water, L/kg | 130 | |
| 47 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 140 to 160 | |
| 69 to 100 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 880 to 4060 | |
| 310 to 610 |
| Stiffness to Weight: Axial, points | 14 | |
| 13 |
| Stiffness to Weight: Bending, points | 25 | |
| 24 |
| Strength to Weight: Axial, points | 32 to 49 | |
| 25 to 28 |
| Strength to Weight: Bending, points | 27 to 35 | |
| 22 to 24 |
| Thermal Diffusivity, mm2/s | 4.5 | |
| 13 |
| Thermal Shock Resistance, points | 30 to 46 | |
| 22 to 25 |
Alloy Composition
| Carbon (C), % | 0 to 0.070 | |
| 0.52 to 0.6 |
| Chromium (Cr), % | 15 to 17 | |
| 0 to 0.4 |
| Copper (Cu), % | 3.0 to 5.0 | |
| 0 |
| Iron (Fe), % | 70.4 to 78.9 | |
| 97.1 to 98.9 |
| Manganese (Mn), % | 0 to 1.0 | |
| 0.6 to 0.9 |
| Molybdenum (Mo), % | 0 | |
| 0 to 0.1 |
| Nickel (Ni), % | 3.0 to 5.0 | |
| 0 to 0.4 |
| Niobium (Nb), % | 0.15 to 0.45 | |
| 0 |
| Phosphorus (P), % | 0 to 0.040 | |
| 0 to 0.035 |
| Silicon (Si), % | 0 to 1.0 | |
| 0 to 0.4 |
| Sulfur (S), % | 0 to 0.030 | |
| 0 to 0.035 |