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Automotive Malleable Cast Iron vs. EN 1.4530 Stainless Steel

Both automotive malleable cast iron and EN 1.4530 stainless steel are iron alloys. They have 76% of their average alloy composition in common. There are 19 material properties with values for both materials. Properties with values for just one material (12, 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 1.4530 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 180
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 70
76
Tensile Strength: Ultimate (UTS), MPa 350 to 720
1030 to 1370

Thermal Properties

Latent Heat of Fusion, J/g 260
270
Melting Completion (Liquidus), °C 1410
1460
Melting Onset (Solidus), °C 1370
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Expansion, µm/m-K 14
11

Otherwise Unclassified Properties

Base Metal Price, % relative 1.9
15
Density, g/cm3 7.6
7.9
Embodied Carbon, kg CO2/kg material 1.5
3.4
Embodied Energy, MJ/kg 20
46
Embodied Water, L/kg 45
130

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 13 to 26
36 to 48
Strength to Weight: Bending, points 14 to 24
29 to 35
Thermal Shock Resistance, points 9.9 to 21
35 to 47

Alloy Composition

Aluminum (Al), % 0
0.6 to 0.8
Carbon (C), % 2.2 to 2.9
0 to 0.015
Chromium (Cr), % 0
11.5 to 12.5
Iron (Fe), % 93.6 to 96.7
74.4 to 77.3
Manganese (Mn), % 0.15 to 1.3
0 to 0.1
Molybdenum (Mo), % 0
1.9 to 2.2
Nickel (Ni), % 0
8.5 to 9.5
Nitrogen (N), % 0
0 to 0.010
Phosphorus (P), % 0.020 to 0.15
0 to 0.010
Silicon (Si), % 0.9 to 1.9
0 to 0.1
Sulfur (S), % 0.020 to 0.2
0 to 0.0050
Titanium (Ti), % 0
0.28 to 0.37