S17700 Stainless Steel vs. EN 1.1158 Steel
Both S17700 stainless steel and EN 1.1158 steel are iron alloys. They have 75% of their average alloy composition in common. There are 31 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 S17700 stainless steel and the bottom bar is EN 1.1158 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 180 to 430 | |
| 140 to 150 |
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 190 |
| Elongation at Break, % | 1.0 to 23 | |
| 23 to 24 |
| Fatigue Strength, MPa | 290 to 560 | |
| 170 to 220 |
| Poisson's Ratio | 0.28 | |
| 0.29 |
| Shear Modulus, GPa | 76 | |
| 73 |
| Shear Strength, MPa | 740 to 940 | |
| 300 to 320 |
| Tensile Strength: Ultimate (UTS), MPa | 1180 to 1650 | |
| 470 to 500 |
| Tensile Strength: Yield (Proof), MPa | 430 to 1210 | |
| 240 to 310 |
Thermal Properties
| Latent Heat of Fusion, J/g | 290 | |
| 250 |
| Maximum Temperature: Mechanical, °C | 890 | |
| 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 | 15 | |
| 49 |
| Thermal Expansion, µm/m-K | 11 | |
| 12 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 2.3 | |
| 7.2 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 2.7 | |
| 8.2 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 13 | |
| 2.1 |
| Density, g/cm3 | 7.7 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 2.8 | |
| 1.4 |
| Embodied Energy, MJ/kg | 40 | |
| 19 |
| Embodied Water, L/kg | 150 | |
| 47 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 15 to 210 | |
| 89 to 110 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 460 to 3750 | |
| 150 to 250 |
| Stiffness to Weight: Axial, points | 14 | |
| 13 |
| Stiffness to Weight: Bending, points | 25 | |
| 24 |
| Strength to Weight: Axial, points | 42 to 59 | |
| 17 to 18 |
| Strength to Weight: Bending, points | 32 to 40 | |
| 17 to 18 |
| Thermal Diffusivity, mm2/s | 4.1 | |
| 13 |
| Thermal Shock Resistance, points | 39 to 54 | |
| 15 to 16 |
Alloy Composition
| Aluminum (Al), % | 0.75 to 1.5 | |
| 0 |
| Carbon (C), % | 0 to 0.090 | |
| 0.22 to 0.29 |
| Chromium (Cr), % | 16 to 18 | |
| 0 to 0.4 |
| Iron (Fe), % | 70.5 to 76.8 | |
| 97.6 to 99.38 |
| Manganese (Mn), % | 0 to 1.0 | |
| 0.4 to 0.7 |
| Molybdenum (Mo), % | 0 | |
| 0 to 0.1 |
| Nickel (Ni), % | 6.5 to 7.8 | |
| 0 to 0.4 |
| 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 |