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Automotive Malleable Cast Iron vs. EN 1.3555 Steel

Both automotive malleable cast iron and EN 1.3555 steel are iron alloys. They have 87% of their average alloy composition in common. There are 22 material properties with values for both materials. Properties with values for just one material (8, 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 1.3555 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 130 to 290
230
Elastic (Young's, Tensile) Modulus, GPa 180
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 70
75
Tensile Strength: Ultimate (UTS), MPa 350 to 720
770

Thermal Properties

Latent Heat of Fusion, J/g 260
260
Melting Completion (Liquidus), °C 1410
1500
Melting Onset (Solidus), °C 1370
1450
Specific Heat Capacity, J/kg-K 480
460
Thermal Expansion, µm/m-K 14
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
9.3
Electrical Conductivity: Equal Weight (Specific), % IACS 8.7
11

Otherwise Unclassified Properties

Base Metal Price, % relative 1.9
11
Density, g/cm3 7.6
7.9
Embodied Carbon, kg CO2/kg material 1.5
5.6
Embodied Energy, MJ/kg 20
81
Embodied Water, L/kg 45
90

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 13 to 26
27
Strength to Weight: Bending, points 14 to 24
23
Thermal Shock Resistance, points 9.9 to 21
22

Alloy Composition

Carbon (C), % 2.2 to 2.9
0.1 to 0.15
Chromium (Cr), % 0
3.9 to 4.3
Copper (Cu), % 0
0 to 0.1
Iron (Fe), % 93.6 to 96.7
85.4 to 87.7
Manganese (Mn), % 0.15 to 1.3
0.15 to 0.35
Molybdenum (Mo), % 0
4.0 to 4.5
Nickel (Ni), % 0
3.2 to 3.6
Phosphorus (P), % 0.020 to 0.15
0 to 0.015
Silicon (Si), % 0.9 to 1.9
0.1 to 0.25
Sulfur (S), % 0.020 to 0.2
0 to 0.010
Tungsten (W), % 0
0 to 0.15
Vanadium (V), % 0
1.0 to 1.3