Automotive Grey Cast Iron vs. EN 1.4020 Stainless Steel
Both automotive grey cast iron and EN 1.4020 stainless steel are iron alloys. There are 24 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 automotive grey cast iron and the bottom bar is EN 1.4020 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 160 to 280 | |
| 190 to 340 |
| Elastic (Young's, Tensile) Modulus, GPa | 180 | |
| 200 |
| Elongation at Break, % | 9.6 to 14 | |
| 13 to 34 |
| Poisson's Ratio | 0.29 | |
| 0.28 |
| Shear Modulus, GPa | 69 to 70 | |
| 77 |
| Tensile Strength: Ultimate (UTS), MPa | 140 to 290 | |
| 770 to 1130 |
| Tensile Strength: Yield (Proof), MPa | 94 to 200 | |
| 430 to 950 |
Thermal Properties
| Latent Heat of Fusion, J/g | 260 to 280 | |
| 280 |
| Melting Completion (Liquidus), °C | 1380 to 1390 | |
| 1390 |
| Melting Onset (Solidus), °C | 1340 to 1350 | |
| 1350 |
| Specific Heat Capacity, J/kg-K | 490 | |
| 480 |
| Thermal Expansion, µm/m-K | 12 to 14 | |
| 17 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 1.9 to 3.0 | |
| 11 |
| Density, g/cm3 | 7.5 to 7.6 | |
| 7.6 |
| Embodied Carbon, kg CO2/kg material | 1.5 to 1.7 | |
| 2.5 |
| Embodied Energy, MJ/kg | 21 to 24 | |
| 37 |
| Embodied Water, L/kg | 44 to 51 | |
| 150 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 18 to 25 | |
| 140 to 220 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 25 to 110 | |
| 460 to 2290 |
| 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 41 |
| Strength to Weight: Bending, points | 8.0 to 13 | |
| 25 to 32 |
| Thermal Shock Resistance, points | 4.2 to 8.6 | |
| 16 to 23 |