EN 1.4729 Stainless Steel vs. Automotive Malleable Cast Iron
Both EN 1.4729 stainless steel and automotive malleable cast iron are iron alloys. They have 86% of their average alloy composition in common. There are 21 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.
For each property being compared, the top bar is EN 1.4729 stainless steel and the bottom bar is automotive malleable cast iron.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 260 | |
| 130 to 290 |
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 180 |
| Elongation at Break, % | 15 | |
| 1.0 to 10 |
| Poisson's Ratio | 0.28 | |
| 0.29 |
| Shear Modulus, GPa | 75 | |
| 70 |
Thermal Properties
| Latent Heat of Fusion, J/g | 300 | |
| 260 |
| Melting Completion (Liquidus), °C | 1420 | |
| 1410 |
| Melting Onset (Solidus), °C | 1380 | |
| 1370 |
| Specific Heat Capacity, J/kg-K | 490 | |
| 480 |
| Thermal Conductivity, W/m-K | 24 | |
| 41 |
| Thermal Expansion, µm/m-K | 10 | |
| 14 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 2.8 | |
| 7.4 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 3.3 | |
| 8.7 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 7.5 | |
| 1.9 |
| Density, g/cm3 | 7.6 | |
| 7.6 |
| Embodied Carbon, kg CO2/kg material | 2.1 | |
| 1.5 |
| Embodied Energy, MJ/kg | 29 | |
| 20 |
| Embodied Water, L/kg | 100 | |
| 45 |
Common Calculations
| Stiffness to Weight: Axial, points | 14 | |
| 13 |
| Stiffness to Weight: Bending, points | 25 | |
| 25 |
| Thermal Diffusivity, mm2/s | 6.5 | |
| 11 |
Alloy Composition
| Carbon (C), % | 0.3 to 0.5 | |
| 2.2 to 2.9 |
| Chromium (Cr), % | 12 to 14 | |
| 0 |
| Iron (Fe), % | 80.4 to 86.7 | |
| 93.6 to 96.7 |
| Manganese (Mn), % | 0 to 1.0 | |
| 0.15 to 1.3 |
| Molybdenum (Mo), % | 0 to 0.5 | |
| 0 |
| Nickel (Ni), % | 0 to 1.0 | |
| 0 |
| Phosphorus (P), % | 0 to 0.040 | |
| 0.020 to 0.15 |
| Silicon (Si), % | 1.0 to 2.5 | |
| 0.9 to 1.9 |
| Sulfur (S), % | 0 to 0.030 | |
| 0.020 to 0.2 |