Automotive Malleable Cast Iron vs. EN 1.4301 Stainless Steel
Both automotive malleable cast iron and EN 1.4301 stainless steel are iron alloys. They have 72% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (6, 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 1.4301 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
Brinell Hardness | 130 to 290 | |
190 to 270 |
Elastic (Young's, Tensile) Modulus, GPa | 180 | |
200 |
Elongation at Break, % | 1.0 to 10 | |
14 to 46 |
Poisson's Ratio | 0.29 | |
0.28 |
Shear Modulus, GPa | 70 | |
77 |
Tensile Strength: Ultimate (UTS), MPa | 350 to 720 | |
610 to 900 |
Tensile Strength: Yield (Proof), MPa | 220 to 590 | |
220 to 570 |
Thermal Properties
Latent Heat of Fusion, J/g | 260 | |
290 |
Melting Completion (Liquidus), °C | 1410 | |
1430 |
Melting Onset (Solidus), °C | 1370 | |
1380 |
Specific Heat Capacity, J/kg-K | 480 | |
480 |
Thermal Conductivity, W/m-K | 41 | |
15 |
Thermal Expansion, µm/m-K | 14 | |
16 |
Electrical Properties
Electrical Conductivity: Equal Volume, % IACS | 7.4 | |
2.4 |
Electrical Conductivity: Equal Weight (Specific), % IACS | 8.7 | |
2.7 |
Otherwise Unclassified Properties
Base Metal Price, % relative | 1.9 | |
15 |
Density, g/cm3 | 7.6 | |
7.8 |
Embodied Carbon, kg CO2/kg material | 1.5 | |
3.0 |
Embodied Energy, MJ/kg | 20 | |
43 |
Embodied Water, L/kg | 45 | |
140 |
Common Calculations
Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 6.8 to 30 | |
110 to 220 |
Resilience: Unit (Modulus of Resilience), kJ/m3 | 130 to 950 | |
120 to 820 |
Stiffness to Weight: Axial, points | 13 | |
14 |
Stiffness to Weight: Bending, points | 25 | |
25 |
Strength to Weight: Axial, points | 13 to 26 | |
22 to 32 |
Strength to Weight: Bending, points | 14 to 24 | |
20 to 27 |
Thermal Diffusivity, mm2/s | 11 | |
4.0 |
Thermal Shock Resistance, points | 9.9 to 21 | |
14 to 20 |
Alloy Composition
Carbon (C), % | 2.2 to 2.9 | |
0 to 0.070 |
Chromium (Cr), % | 0 | |
17.5 to 19.5 |
Iron (Fe), % | 93.6 to 96.7 | |
66.8 to 74.5 |
Manganese (Mn), % | 0.15 to 1.3 | |
0 to 2.0 |
Nickel (Ni), % | 0 | |
8.0 to 10.5 |
Nitrogen (N), % | 0 | |
0 to 0.1 |
Phosphorus (P), % | 0.020 to 0.15 | |
0 to 0.045 |
Silicon (Si), % | 0.9 to 1.9 | |
0 to 1.0 |
Sulfur (S), % | 0.020 to 0.2 | |
0 to 0.015 |