Automotive Malleable Cast Iron vs. ASTM A148 Cast Steel
Both automotive malleable cast iron and ASTM A148 cast steel are iron alloys. There are 28 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.
For each property being compared, the top bar is automotive malleable cast iron and the bottom bar is ASTM A148 cast steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 130 to 290 | |
| 190 to 390 |
| Elastic (Young's, Tensile) Modulus, GPa | 180 | |
| 190 |
| Elongation at Break, % | 1.0 to 10 | |
| 5.7 to 25 |
| Poisson's Ratio | 0.29 | |
| 0.29 |
| Shear Modulus, GPa | 70 | |
| 73 |
| Tensile Strength: Ultimate (UTS), MPa | 350 to 720 | |
| 630 to 1300 |
| Tensile Strength: Yield (Proof), MPa | 220 to 590 | |
| 390 to 1160 |
Thermal Properties
| Latent Heat of Fusion, J/g | 260 | |
| 250 |
| Melting Completion (Liquidus), °C | 1410 | |
| 1460 |
| Melting Onset (Solidus), °C | 1370 | |
| 1420 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 470 |
| Thermal Conductivity, W/m-K | 41 | |
| 37 to 47 |
| Thermal Expansion, µm/m-K | 14 | |
| 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.4 | |
| 7.3 to 7.5 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.7 | |
| 8.3 to 8.6 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 1.9 | |
| 2.3 to 3.3 |
| Density, g/cm3 | 7.6 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 1.5 | |
| 1.5 to 1.7 |
| Embodied Energy, MJ/kg | 20 | |
| 20 to 22 |
| Embodied Water, L/kg | 45 | |
| 48 to 53 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 6.8 to 30 | |
| 71 to 150 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 130 to 950 | |
| 400 to 3570 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 25 | |
| 24 |
| Strength to Weight: Axial, points | 13 to 26 | |
| 22 to 46 |
| Strength to Weight: Bending, points | 14 to 24 | |
| 21 to 34 |
| Thermal Diffusivity, mm2/s | 11 | |
| 9.9 to 13 |
| Thermal Shock Resistance, points | 9.9 to 21 | |
| 18 to 38 |