Automotive Malleable Cast Iron vs. EN 1.4618 Stainless Steel
Both automotive malleable cast iron and EN 1.4618 stainless steel are iron alloys. They have 69% 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 1.4618 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
Brinell Hardness | 130 to 290 | |
200 to 210 |
Elastic (Young's, Tensile) Modulus, GPa | 180 | |
200 |
Elongation at Break, % | 1.0 to 10 | |
51 |
Poisson's Ratio | 0.29 | |
0.28 |
Shear Modulus, GPa | 70 | |
77 |
Tensile Strength: Ultimate (UTS), MPa | 350 to 720 | |
680 to 700 |
Tensile Strength: Yield (Proof), MPa | 220 to 590 | |
250 to 260 |
Thermal Properties
Latent Heat of Fusion, J/g | 260 | |
280 |
Melting Completion (Liquidus), °C | 1410 | |
1400 |
Melting Onset (Solidus), °C | 1370 | |
1360 |
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 | |
13 |
Density, g/cm3 | 7.6 | |
7.7 |
Embodied Carbon, kg CO2/kg material | 1.5 | |
2.7 |
Embodied Energy, MJ/kg | 20 | |
39 |
Embodied Water, L/kg | 45 | |
150 |
Common Calculations
Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 6.8 to 30 | |
270 to 280 |
Resilience: Unit (Modulus of Resilience), kJ/m3 | 130 to 950 | |
160 to 170 |
Stiffness to Weight: Axial, points | 13 | |
14 |
Stiffness to Weight: Bending, points | 25 | |
25 |
Strength to Weight: Axial, points | 13 to 26 | |
24 to 25 |
Strength to Weight: Bending, points | 14 to 24 | |
22 to 23 |
Thermal Diffusivity, mm2/s | 11 | |
4.0 |
Thermal Shock Resistance, points | 9.9 to 21 | |
15 to 16 |
Alloy Composition
Carbon (C), % | 2.2 to 2.9 | |
0 to 0.1 |
Chromium (Cr), % | 0 | |
16.5 to 18.5 |
Copper (Cu), % | 0 | |
1.0 to 2.5 |
Iron (Fe), % | 93.6 to 96.7 | |
62.7 to 72.5 |
Manganese (Mn), % | 0.15 to 1.3 | |
5.5 to 9.5 |
Nickel (Ni), % | 0 | |
4.5 to 5.5 |
Nitrogen (N), % | 0 | |
0 to 0.15 |
Phosphorus (P), % | 0.020 to 0.15 | |
0 to 0.070 |
Silicon (Si), % | 0.9 to 1.9 | |
0 to 1.0 |
Sulfur (S), % | 0.020 to 0.2 | |
0 to 0.010 |