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Automotive Malleable Cast Iron vs. EN 1.8527 Steel

Both automotive malleable cast iron and EN 1.8527 steel are iron alloys. They have a very high 95% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (5, 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 1.8527 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 130 to 290
270
Elastic (Young's, Tensile) Modulus, GPa 180
190
Elongation at Break, % 1.0 to 10
16
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 70
74
Tensile Strength: Ultimate (UTS), MPa 350 to 720
900
Tensile Strength: Yield (Proof), MPa 220 to 590
800

Thermal Properties

Latent Heat of Fusion, J/g 260
260
Melting Completion (Liquidus), °C 1410
1460
Melting Onset (Solidus), °C 1370
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 41
41
Thermal Expansion, µm/m-K 14
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
7.8
Electrical Conductivity: Equal Weight (Specific), % IACS 8.7
9.0

Otherwise Unclassified Properties

Base Metal Price, % relative 1.9
4.0
Density, g/cm3 7.6
7.8
Embodied Carbon, kg CO2/kg material 1.5
1.7
Embodied Energy, MJ/kg 20
23
Embodied Water, L/kg 45
66

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.8 to 30
140
Resilience: Unit (Modulus of Resilience), kJ/m3 130 to 950
1670
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 13 to 26
32
Strength to Weight: Bending, points 14 to 24
26
Thermal Diffusivity, mm2/s 11
11
Thermal Shock Resistance, points 9.9 to 21
26

Alloy Composition

Carbon (C), % 2.2 to 2.9
0.040 to 0.12
Chromium (Cr), % 0
3.7 to 4.3
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 93.6 to 96.7
93.2 to 95.1
Manganese (Mn), % 0.15 to 1.3
0.85 to 1.2
Molybdenum (Mo), % 0
0.4 to 0.6
Phosphorus (P), % 0.020 to 0.15
0 to 0.025
Silicon (Si), % 0.9 to 1.9
0 to 0.4
Sulfur (S), % 0.020 to 0.2
0 to 0.035