Austenitic Grey Cast Iron vs. ASTM A732 Cast Steel
Both austenitic grey cast iron and ASTM A732 cast steel are iron alloys. There are 20 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.
For each property being compared, the top bar is austenitic grey cast iron and the bottom bar is ASTM A732 cast steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 110 to 210 | |
| 140 to 440 |
| Elastic (Young's, Tensile) Modulus, GPa | 180 | |
| 190 |
| Poisson's Ratio | 0.29 to 0.3 | |
| 0.29 |
| Shear Modulus, GPa | 69 to 72 | |
| 72 to 73 |
| Tensile Strength: Ultimate (UTS), MPa | 150 to 230 | |
| 460 to 1470 |
Thermal Properties
| Latent Heat of Fusion, J/g | 280 to 350 | |
| 250 to 260 |
| Melting Completion (Liquidus), °C | 1340 to 1400 | |
| 1440 to 1460 |
| Melting Onset (Solidus), °C | 1290 to 1350 | |
| 1400 to 1420 |
| Specific Heat Capacity, J/kg-K | 470 to 490 | |
| 470 to 480 |
| Thermal Expansion, µm/m-K | 13 to 14 | |
| 13 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 14 to 24 | |
| 2.0 to 3.8 |
| Density, g/cm3 | 7.7 to 8.1 | |
| 7.8 to 7.9 |
| Embodied Carbon, kg CO2/kg material | 3.1 to 4.7 | |
| 1.4 to 1.7 |
| Embodied Energy, MJ/kg | 43 to 65 | |
| 19 to 24 |
| Embodied Water, L/kg | 93 to 120 | |
| 47 to 54 |
Common Calculations
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 23 to 25 | |
| 24 |
| Strength to Weight: Axial, points | 5.3 to 8.2 | |
| 16 to 52 |
| Strength to Weight: Bending, points | 7.9 to 11 | |
| 17 to 37 |
| Thermal Shock Resistance, points | 4.5 to 6.5 | |
| 14 to 43 |