Automotive Grey Cast Iron vs. R05240 Alloy
Automotive grey cast iron belongs to the iron alloys classification, while R05240 alloy belongs to the otherwise unclassified metals. There are 18 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.
For each property being compared, the top bar is automotive grey cast iron and the bottom bar is R05240 alloy.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 180 | |
| 150 |
| Elongation at Break, % | 9.6 to 14 | |
| 25 |
| Poisson's Ratio | 0.29 | |
| 0.36 |
| Shear Modulus, GPa | 69 to 70 | |
| 57 |
| Tensile Strength: Ultimate (UTS), MPa | 140 to 290 | |
| 270 |
| Tensile Strength: Yield (Proof), MPa | 94 to 200 | |
| 170 |
Thermal Properties
| Latent Heat of Fusion, J/g | 260 to 280 | |
| 210 |
| Specific Heat Capacity, J/kg-K | 490 | |
| 190 |
| Thermal Expansion, µm/m-K | 12 to 14 | |
| 6.8 |
Otherwise Unclassified Properties
| Density, g/cm3 | 7.5 to 7.6 | |
| 14 |
| Embodied Water, L/kg | 44 to 51 | |
| 460 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 18 to 25 | |
| 59 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 25 to 110 | |
| 90 |
| Stiffness to Weight: Axial, points | 13 | |
| 6.3 |
| Stiffness to Weight: Bending, points | 25 | |
| 13 |
| Strength to Weight: Axial, points | 5.2 to 11 | |
| 5.4 |
| Strength to Weight: Bending, points | 8.0 to 13 | |
| 6.8 |
| Thermal Shock Resistance, points | 4.2 to 8.6 | |
| 18 |