Automotive Malleable Cast Iron vs. S35000 Stainless Steel
Both automotive malleable cast iron and S35000 stainless steel are iron alloys. They have 76% of their average alloy composition in common. There are 27 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.
For each property being compared, the top bar is automotive malleable cast iron and the bottom bar is S35000 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 180 | |
| 200 |
| Elongation at Break, % | 1.0 to 10 | |
| 2.3 to 14 |
| Poisson's Ratio | 0.29 | |
| 0.28 |
| Shear Modulus, GPa | 70 | |
| 78 |
| Tensile Strength: Ultimate (UTS), MPa | 350 to 720 | |
| 1300 to 1570 |
| Tensile Strength: Yield (Proof), MPa | 220 to 590 | |
| 660 to 1160 |
Thermal Properties
| Latent Heat of Fusion, J/g | 260 | |
| 280 |
| Melting Completion (Liquidus), °C | 1410 | |
| 1460 |
| Melting Onset (Solidus), °C | 1370 | |
| 1410 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 470 |
| Thermal Conductivity, W/m-K | 41 | |
| 16 |
| Thermal Expansion, µm/m-K | 14 | |
| 11 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.4 | |
| 2.3 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.7 | |
| 2.6 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 1.9 | |
| 14 |
| Density, g/cm3 | 7.6 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 1.5 | |
| 3.2 |
| Embodied Energy, MJ/kg | 20 | |
| 44 |
| Embodied Water, L/kg | 45 | |
| 130 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 6.8 to 30 | |
| 28 to 170 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 130 to 950 | |
| 1070 to 3360 |
| Stiffness to Weight: Axial, points | 13 | |
| 14 |
| Stiffness to Weight: Bending, points | 25 | |
| 25 |
| Strength to Weight: Axial, points | 13 to 26 | |
| 46 to 56 |
| Strength to Weight: Bending, points | 14 to 24 | |
| 34 to 38 |
| Thermal Diffusivity, mm2/s | 11 | |
| 4.4 |
| Thermal Shock Resistance, points | 9.9 to 21 | |
| 42 to 51 |
Alloy Composition
| Carbon (C), % | 2.2 to 2.9 | |
| 0.070 to 0.11 |
| Chromium (Cr), % | 0 | |
| 16 to 17 |
| Iron (Fe), % | 93.6 to 96.7 | |
| 72.7 to 76.9 |
| Manganese (Mn), % | 0.15 to 1.3 | |
| 0.5 to 1.3 |
| Molybdenum (Mo), % | 0 | |
| 2.5 to 3.2 |
| Nickel (Ni), % | 0 | |
| 4.0 to 5.0 |
| Nitrogen (N), % | 0 | |
| 0.070 to 0.13 |
| Phosphorus (P), % | 0.020 to 0.15 | |
| 0 to 0.040 |
| Silicon (Si), % | 0.9 to 1.9 | |
| 0 to 0.5 |
| Sulfur (S), % | 0.020 to 0.2 | |
| 0 to 0.030 |