Automotive Malleable Cast Iron vs. EN 1.7386 Steel
Both automotive malleable cast iron and EN 1.7386 steel are iron alloys. They have 90% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (5, 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 1.7386 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 130 to 290 | |
| 170 to 200 |
| Elastic (Young's, Tensile) Modulus, GPa | 180 | |
| 190 |
| Elongation at Break, % | 1.0 to 10 | |
| 18 to 21 |
| Poisson's Ratio | 0.29 | |
| 0.28 |
| Shear Modulus, GPa | 70 | |
| 75 |
| Tensile Strength: Ultimate (UTS), MPa | 350 to 720 | |
| 550 to 670 |
| Tensile Strength: Yield (Proof), MPa | 220 to 590 | |
| 240 to 440 |
Thermal Properties
| Latent Heat of Fusion, J/g | 260 | |
| 270 |
| Melting Completion (Liquidus), °C | 1410 | |
| 1450 |
| Melting Onset (Solidus), °C | 1370 | |
| 1410 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 480 |
| Thermal Conductivity, W/m-K | 41 | |
| 26 |
| Thermal Expansion, µm/m-K | 14 | |
| 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.4 | |
| 9.0 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.7 | |
| 10 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 1.9 | |
| 6.5 |
| Density, g/cm3 | 7.6 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 1.5 | |
| 2.0 |
| Embodied Energy, MJ/kg | 20 | |
| 28 |
| Embodied Water, L/kg | 45 | |
| 88 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 6.8 to 30 | |
| 92 to 110 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 130 to 950 | |
| 150 to 490 |
| Stiffness to Weight: Axial, points | 13 | |
| 14 |
| Stiffness to Weight: Bending, points | 25 | |
| 25 |
| Strength to Weight: Axial, points | 13 to 26 | |
| 20 to 24 |
| Strength to Weight: Bending, points | 14 to 24 | |
| 19 to 22 |
| Thermal Diffusivity, mm2/s | 11 | |
| 6.9 |
| Thermal Shock Resistance, points | 9.9 to 21 | |
| 15 to 18 |
Alloy Composition
| Aluminum (Al), % | 0 | |
| 0 to 0.040 |
| Carbon (C), % | 2.2 to 2.9 | |
| 0.080 to 0.15 |
| Chromium (Cr), % | 0 | |
| 8.0 to 10 |
| Copper (Cu), % | 0 | |
| 0 to 0.3 |
| Iron (Fe), % | 93.6 to 96.7 | |
| 86.8 to 90.5 |
| Manganese (Mn), % | 0.15 to 1.3 | |
| 0.3 to 0.6 |
| Molybdenum (Mo), % | 0 | |
| 0.9 to 1.1 |
| Phosphorus (P), % | 0.020 to 0.15 | |
| 0 to 0.025 |
| Silicon (Si), % | 0.9 to 1.9 | |
| 0.25 to 1.0 |
| Sulfur (S), % | 0.020 to 0.2 | |
| 0 to 0.010 |