Automotive Grey Cast Iron vs. S45500 Stainless Steel
Both automotive grey cast iron and S45500 stainless steel are iron alloys. There are 23 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 automotive grey cast iron and the bottom bar is S45500 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 160 to 280 | |
| 280 to 500 |
| Elastic (Young's, Tensile) Modulus, GPa | 180 | |
| 190 |
| Elongation at Break, % | 9.6 to 14 | |
| 3.4 to 11 |
| Poisson's Ratio | 0.29 | |
| 0.28 |
| Shear Modulus, GPa | 69 to 70 | |
| 75 |
| Tensile Strength: Ultimate (UTS), MPa | 140 to 290 | |
| 1370 to 1850 |
| Tensile Strength: Yield (Proof), MPa | 94 to 200 | |
| 1240 to 1700 |
Thermal Properties
| Latent Heat of Fusion, J/g | 260 to 280 | |
| 270 |
| Melting Completion (Liquidus), °C | 1380 to 1390 | |
| 1440 |
| Melting Onset (Solidus), °C | 1340 to 1350 | |
| 1400 |
| Specific Heat Capacity, J/kg-K | 490 | |
| 470 |
| Thermal Expansion, µm/m-K | 12 to 14 | |
| 11 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 1.9 to 3.0 | |
| 17 |
| Density, g/cm3 | 7.5 to 7.6 | |
| 7.9 |
| Embodied Carbon, kg CO2/kg material | 1.5 to 1.7 | |
| 3.8 |
| Embodied Energy, MJ/kg | 21 to 24 | |
| 57 |
| Embodied Water, L/kg | 44 to 51 | |
| 120 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 18 to 25 | |
| 45 to 190 |
| Stiffness to Weight: Axial, points | 13 | |
| 14 |
| Stiffness to Weight: Bending, points | 25 | |
| 24 |
| Strength to Weight: Axial, points | 5.2 to 11 | |
| 48 to 65 |
| Strength to Weight: Bending, points | 8.0 to 13 | |
| 35 to 42 |
| Thermal Shock Resistance, points | 4.2 to 8.6 | |
| 48 to 64 |