S20910 Stainless Steel vs. Ductile Cast Iron
Both S20910 stainless steel and ductile cast iron are iron alloys. They have 58% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.
For each property being compared, the top bar is S20910 stainless steel and the bottom bar is ductile cast iron.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 230 to 290 | |
| 160 to 310 |
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 170 to 180 |
| Elongation at Break, % | 14 to 39 | |
| 2.1 to 20 |
| Poisson's Ratio | 0.28 | |
| 0.28 to 0.31 |
| Shear Modulus, GPa | 79 | |
| 64 to 70 |
| Shear Strength, MPa | 500 to 570 | |
| 420 to 800 |
| Tensile Strength: Ultimate (UTS), MPa | 780 to 940 | |
| 460 to 920 |
| Tensile Strength: Yield (Proof), MPa | 430 to 810 | |
| 310 to 670 |
Thermal Properties
| Latent Heat of Fusion, J/g | 300 | |
| 270 |
| Maximum Temperature: Mechanical, °C | 1080 | |
| 290 |
| Melting Completion (Liquidus), °C | 1420 | |
| 1160 |
| Melting Onset (Solidus), °C | 1380 | |
| 1120 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 490 |
| Thermal Conductivity, W/m-K | 13 | |
| 31 to 36 |
| Thermal Expansion, µm/m-K | 16 | |
| 11 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 22 | |
| 1.9 |
| Density, g/cm3 | 7.8 | |
| 7.1 to 7.5 |
| Embodied Carbon, kg CO2/kg material | 4.8 | |
| 1.5 |
| Embodied Energy, MJ/kg | 68 | |
| 21 |
| Embodied Water, L/kg | 180 | |
| 43 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 120 to 260 | |
| 17 to 80 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 460 to 1640 | |
| 280 to 1330 |
| Stiffness to Weight: Axial, points | 14 | |
| 12 to 14 |
| Stiffness to Weight: Bending, points | 25 | |
| 24 to 26 |
| Strength to Weight: Axial, points | 28 to 33 | |
| 17 to 35 |
| Strength to Weight: Bending, points | 24 to 27 | |
| 18 to 29 |
| Thermal Diffusivity, mm2/s | 3.6 | |
| 8.9 to 10 |
| Thermal Shock Resistance, points | 17 to 21 | |
| 17 to 35 |
Alloy Composition
| Carbon (C), % | 0 to 0.060 | |
| 3.0 to 3.5 |
| Chromium (Cr), % | 20.5 to 23.5 | |
| 0 |
| Iron (Fe), % | 52.1 to 62.1 | |
| 93.7 to 95.5 |
| Manganese (Mn), % | 4.0 to 6.0 | |
| 0 |
| Molybdenum (Mo), % | 1.5 to 3.0 | |
| 0 |
| Nickel (Ni), % | 11.5 to 13.5 | |
| 0 |
| Niobium (Nb), % | 0.1 to 0.3 | |
| 0 |
| Nitrogen (N), % | 0.2 to 0.4 | |
| 0 |
| Phosphorus (P), % | 0 to 0.040 | |
| 0 to 0.080 |
| Silicon (Si), % | 0 to 0.75 | |
| 1.5 to 2.8 |
| Sulfur (S), % | 0 to 0.030 | |
| 0 |
| Vanadium (V), % | 0.1 to 0.3 | |
| 0 |