S17700 Stainless Steel vs. EN 1.5805 Steel
Both S17700 stainless steel and EN 1.5805 steel are iron alloys. They have 77% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.
For each property being compared, the top bar is S17700 stainless steel and the bottom bar is EN 1.5805 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 180 to 430 | |
| 140 to 170 |
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 190 |
| Poisson's Ratio | 0.28 | |
| 0.29 |
| Shear Modulus, GPa | 76 | |
| 73 |
| Tensile Strength: Ultimate (UTS), MPa | 1180 to 1650 | |
| 460 to 1180 |
Thermal Properties
| Latent Heat of Fusion, J/g | 290 | |
| 250 |
| Maximum Temperature: Mechanical, °C | 890 | |
| 430 |
| 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 | |
| 40 |
| Thermal Expansion, µm/m-K | 11 | |
| 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 2.3 | |
| 7.4 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 2.7 | |
| 8.5 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 13 | |
| 3.1 |
| Density, g/cm3 | 7.7 | |
| 7.9 |
| Embodied Carbon, kg CO2/kg material | 2.8 | |
| 1.6 |
| Embodied Energy, MJ/kg | 40 | |
| 21 |
| Embodied Water, L/kg | 150 | |
| 53 |
Common Calculations
| Stiffness to Weight: Axial, points | 14 | |
| 13 |
| Stiffness to Weight: Bending, points | 25 | |
| 24 |
| Strength to Weight: Axial, points | 42 to 59 | |
| 16 to 42 |
| Strength to Weight: Bending, points | 32 to 40 | |
| 17 to 32 |
| Thermal Diffusivity, mm2/s | 4.1 | |
| 11 |
| Thermal Shock Resistance, points | 39 to 54 | |
| 13 to 35 |
Alloy Composition
| Aluminum (Al), % | 0.75 to 1.5 | |
| 0 |
| Carbon (C), % | 0 to 0.090 | |
| 0.070 to 0.12 |
| Chromium (Cr), % | 16 to 18 | |
| 0.9 to 1.2 |
| Copper (Cu), % | 0 | |
| 0 to 0.25 |
| Iron (Fe), % | 70.5 to 76.8 | |
| 95.7 to 97.2 |
| Manganese (Mn), % | 0 to 1.0 | |
| 0.6 to 0.9 |
| Nickel (Ni), % | 6.5 to 7.8 | |
| 1.2 to 1.5 |
| 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 |