Automotive Grey Cast Iron vs. Grade 8 Babbitt Metal
Automotive grey cast iron belongs to the iron alloys classification, while grade 8 Babbitt Metal belongs to the otherwise unclassified metals. There are 20 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 grade 8 Babbitt Metal.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 160 to 280 | |
| 15 |
| Elastic (Young's, Tensile) Modulus, GPa | 180 | |
| 24 |
| Poisson's Ratio | 0.29 | |
| 0.41 |
| Shear Modulus, GPa | 69 to 70 | |
| 8.5 |
| Tensile Strength: Yield (Proof), MPa | 94 to 200 | |
| 23 |
Thermal Properties
| Latent Heat of Fusion, J/g | 260 to 280 | |
| 46 |
| Melting Completion (Liquidus), °C | 1380 to 1390 | |
| 270 |
| Melting Onset (Solidus), °C | 1340 to 1350 | |
| 240 |
| Specific Heat Capacity, J/kg-K | 490 | |
| 150 |
| Thermal Conductivity, W/m-K | 41 to 43 | |
| 24 |
| Thermal Expansion, µm/m-K | 12 to 14 | |
| 24 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 1.9 to 3.0 | |
| 19 |
| Density, g/cm3 | 7.5 to 7.6 | |
| 10 |
| Embodied Carbon, kg CO2/kg material | 1.5 to 1.7 | |
| 3.9 |
| Embodied Energy, MJ/kg | 21 to 24 | |
| 53 |
| Embodied Water, L/kg | 44 to 51 | |
| 840 |
Common Calculations
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 25 to 110 | |
| 11 |
| Stiffness to Weight: Axial, points | 13 | |
| 1.3 |
| Stiffness to Weight: Bending, points | 25 | |
| 9.2 |
| Thermal Diffusivity, mm2/s | 11 to 12 | |
| 16 |