Automotive Malleable Cast Iron vs. EN 1.7216 Steel
Both automotive malleable cast iron and EN 1.7216 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 (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 EN 1.7216 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 130 to 290 | |
| 200 to 280 |
| Elastic (Young's, Tensile) Modulus, GPa | 180 | |
| 190 |
| Elongation at Break, % | 1.0 to 10 | |
| 12 to 23 |
| Poisson's Ratio | 0.29 | |
| 0.29 |
| Shear Modulus, GPa | 70 | |
| 73 |
| Tensile Strength: Ultimate (UTS), MPa | 350 to 720 | |
| 650 to 930 |
| Tensile Strength: Yield (Proof), MPa | 220 to 590 | |
| 400 to 690 |
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 | |
| 46 |
| Thermal Expansion, µm/m-K | 14 | |
| 13 |
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 | |
| 2.4 |
| Density, g/cm3 | 7.6 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 1.5 | |
| 1.5 |
| Embodied Energy, MJ/kg | 20 | |
| 20 |
| Embodied Water, L/kg | 45 | |
| 50 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 6.8 to 30 | |
| 110 to 130 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 130 to 950 | |
| 430 to 1280 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 25 | |
| 24 |
| Strength to Weight: Axial, points | 13 to 26 | |
| 23 to 33 |
| Strength to Weight: Bending, points | 14 to 24 | |
| 21 to 27 |
| Thermal Diffusivity, mm2/s | 11 | |
| 12 |
| Thermal Shock Resistance, points | 9.9 to 21 | |
| 19 to 27 |
Alloy Composition
| Carbon (C), % | 2.2 to 2.9 | |
| 0.27 to 0.34 |
| Chromium (Cr), % | 0 | |
| 0.8 to 1.2 |
| Iron (Fe), % | 93.6 to 96.7 | |
| 97.2 to 98.4 |
| Manganese (Mn), % | 0.15 to 1.3 | |
| 0.35 to 0.6 |
| Molybdenum (Mo), % | 0 | |
| 0.15 to 0.3 |
| Phosphorus (P), % | 0.020 to 0.15 | |
| 0 to 0.035 |
| Silicon (Si), % | 0.9 to 1.9 | |
| 0 to 0.35 |
| Sulfur (S), % | 0.020 to 0.2 | |
| 0 to 0.035 |