S21800 Stainless Steel vs. K93500 Alloy
Both S21800 stainless steel and K93500 alloy are iron alloys. They have 71% of their average alloy composition in common. There are 19 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.
For each property being compared, the top bar is S21800 stainless steel and the bottom bar is K93500 alloy.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 190 |
| Poisson's Ratio | 0.28 | |
| 0.3 |
| Shear Modulus, GPa | 75 | |
| 72 |
| Tensile Strength: Ultimate (UTS), MPa | 740 | |
| 490 to 810 |
Thermal Properties
| Latent Heat of Fusion, J/g | 340 | |
| 270 |
| Melting Completion (Liquidus), °C | 1360 | |
| 1430 |
| Melting Onset (Solidus), °C | 1310 | |
| 1380 |
| Specific Heat Capacity, J/kg-K | 500 | |
| 460 |
| Thermal Expansion, µm/m-K | 16 | |
| 12 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 15 | |
| 30 |
| Density, g/cm3 | 7.5 | |
| 8.2 |
| Embodied Carbon, kg CO2/kg material | 3.1 | |
| 4.7 |
| Embodied Energy, MJ/kg | 45 | |
| 65 |
| Embodied Water, L/kg | 150 | |
| 130 |
Common Calculations
| Stiffness to Weight: Axial, points | 14 | |
| 13 |
| Stiffness to Weight: Bending, points | 26 | |
| 23 |
| Strength to Weight: Axial, points | 27 | |
| 17 to 27 |
| Strength to Weight: Bending, points | 24 | |
| 17 to 23 |
| Thermal Shock Resistance, points | 17 | |
| 15 to 25 |
Alloy Composition
| Aluminum (Al), % | 0 | |
| 0 to 0.1 |
| Carbon (C), % | 0 to 0.1 | |
| 0 to 0.050 |
| Chromium (Cr), % | 16 to 18 | |
| 0 to 0.25 |
| Cobalt (Co), % | 0 | |
| 5.0 |
| Iron (Fe), % | 59.1 to 65.4 | |
| 61.4 to 63 |
| Magnesium (Mg), % | 0 | |
| 0 to 0.1 |
| Manganese (Mn), % | 7.0 to 9.0 | |
| 0 to 0.6 |
| Nickel (Ni), % | 8.0 to 9.0 | |
| 32 |
| Nitrogen (N), % | 0.080 to 0.18 | |
| 0 |
| Phosphorus (P), % | 0 to 0.060 | |
| 0 to 0.015 |
| Silicon (Si), % | 3.5 to 4.5 | |
| 0 to 0.25 |
| Sulfur (S), % | 0 to 0.030 | |
| 0 to 0.015 |
| Titanium (Ti), % | 0 | |
| 0 to 0.1 |
| Zirconium (Zr), % | 0 | |
| 0 to 0.1 |