Automotive Malleable Cast Iron vs. EN 1.0038 Steel
Both automotive malleable cast iron and EN 1.0038 steel are iron alloys. They have a very high 96% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.
For each property being compared, the top bar is automotive malleable cast iron and the bottom bar is EN 1.0038 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 130 to 290 | |
| 110 to 120 |
| Elastic (Young's, Tensile) Modulus, GPa | 180 | |
| 190 |
| Elongation at Break, % | 1.0 to 10 | |
| 23 to 25 |
| Poisson's Ratio | 0.29 | |
| 0.29 |
| Shear Modulus, GPa | 70 | |
| 73 |
| Tensile Strength: Ultimate (UTS), MPa | 350 to 720 | |
| 380 to 430 |
| Tensile Strength: Yield (Proof), MPa | 220 to 590 | |
| 200 to 220 |
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 | |
| 49 |
| Thermal Expansion, µm/m-K | 14 | |
| 12 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.4 | |
| 7.2 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.7 | |
| 8.3 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 1.9 | |
| 2.1 |
| Density, g/cm3 | 7.6 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 1.5 | |
| 1.4 |
| Embodied Energy, MJ/kg | 20 | |
| 19 |
| Embodied Water, L/kg | 45 | |
| 48 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 6.8 to 30 | |
| 72 to 88 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 130 to 950 | |
| 110 to 130 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 25 | |
| 24 |
| Strength to Weight: Axial, points | 13 to 26 | |
| 13 to 15 |
| Strength to Weight: Bending, points | 14 to 24 | |
| 15 to 16 |
| Thermal Diffusivity, mm2/s | 11 | |
| 13 |
| Thermal Shock Resistance, points | 9.9 to 21 | |
| 12 to 13 |
Alloy Composition
| Carbon (C), % | 2.2 to 2.9 | |
| 0 to 0.23 |
| Chromium (Cr), % | 0 | |
| 0 to 0.3 |
| Copper (Cu), % | 0 | |
| 0 to 0.6 |
| Iron (Fe), % | 93.6 to 96.7 | |
| 97.1 to 100 |
| Manganese (Mn), % | 0.15 to 1.3 | |
| 0 to 1.5 |
| Molybdenum (Mo), % | 0 | |
| 0 to 0.080 |
| Nickel (Ni), % | 0 | |
| 0 to 0.3 |
| Nitrogen (N), % | 0 | |
| 0 to 0.014 |
| Phosphorus (P), % | 0.020 to 0.15 | |
| 0 to 0.045 |
| Silicon (Si), % | 0.9 to 1.9 | |
| 0 to 0.55 |
| Sulfur (S), % | 0.020 to 0.2 | |
| 0 to 0.045 |