Automotive Grey Cast Iron vs. S20910 Stainless Steel
Both automotive grey cast iron and S20910 stainless steel are iron alloys. There are 26 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.
For each property being compared, the top bar is automotive grey cast iron and the bottom bar is S20910 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 160 to 280 | |
| 230 to 290 |
| Elastic (Young's, Tensile) Modulus, GPa | 180 | |
| 200 |
| Elongation at Break, % | 9.6 to 14 | |
| 14 to 39 |
| Poisson's Ratio | 0.29 | |
| 0.28 |
| Shear Modulus, GPa | 69 to 70 | |
| 79 |
| Tensile Strength: Ultimate (UTS), MPa | 140 to 290 | |
| 780 to 940 |
| Tensile Strength: Yield (Proof), MPa | 94 to 200 | |
| 430 to 810 |
Thermal Properties
| Latent Heat of Fusion, J/g | 260 to 280 | |
| 300 |
| Melting Completion (Liquidus), °C | 1380 to 1390 | |
| 1420 |
| Melting Onset (Solidus), °C | 1340 to 1350 | |
| 1380 |
| Specific Heat Capacity, J/kg-K | 490 | |
| 480 |
| Thermal Conductivity, W/m-K | 41 to 43 | |
| 13 |
| Thermal Expansion, µm/m-K | 12 to 14 | |
| 16 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 1.9 to 3.0 | |
| 22 |
| Density, g/cm3 | 7.5 to 7.6 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 1.5 to 1.7 | |
| 4.8 |
| Embodied Energy, MJ/kg | 21 to 24 | |
| 68 |
| Embodied Water, L/kg | 44 to 51 | |
| 180 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 18 to 25 | |
| 120 to 260 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 25 to 110 | |
| 460 to 1640 |
| Stiffness to Weight: Axial, points | 13 | |
| 14 |
| Stiffness to Weight: Bending, points | 25 | |
| 25 |
| Strength to Weight: Axial, points | 5.2 to 11 | |
| 28 to 33 |
| Strength to Weight: Bending, points | 8.0 to 13 | |
| 24 to 27 |
| Thermal Diffusivity, mm2/s | 11 to 12 | |
| 3.6 |
| Thermal Shock Resistance, points | 4.2 to 8.6 | |
| 17 to 21 |