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Automotive Malleable Cast Iron vs. SAE-AISI T1 Steel

Both automotive malleable cast iron and SAE-AISI T1 steel are iron alloys. They have 77% of their average alloy composition in common. There are 21 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 SAE-AISI T1 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 180
200
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 70
80
Tensile Strength: Ultimate (UTS), MPa 350 to 720
770 to 2130

Thermal Properties

Latent Heat of Fusion, J/g 260
240
Melting Completion (Liquidus), °C 1410
1810
Melting Onset (Solidus), °C 1370
1750
Specific Heat Capacity, J/kg-K 480
410
Thermal Conductivity, W/m-K 41
20
Thermal Expansion, µm/m-K 14
12

Otherwise Unclassified Properties

Base Metal Price, % relative 1.9
45
Density, g/cm3 7.6
9.3
Embodied Carbon, kg CO2/kg material 1.5
8.2
Embodied Energy, MJ/kg 20
130
Embodied Water, L/kg 45
90

Common Calculations

Stiffness to Weight: Axial, points 13
12
Stiffness to Weight: Bending, points 25
21
Strength to Weight: Axial, points 13 to 26
23 to 64
Strength to Weight: Bending, points 14 to 24
20 to 40
Thermal Diffusivity, mm2/s 11
5.2
Thermal Shock Resistance, points 9.9 to 21
23 to 64

Alloy Composition

Carbon (C), % 2.2 to 2.9
0.65 to 0.8
Chromium (Cr), % 0
3.8 to 4.5
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 93.6 to 96.7
73.2 to 77.2
Manganese (Mn), % 0.15 to 1.3
0.1 to 0.4
Nickel (Ni), % 0
0 to 0.3
Phosphorus (P), % 0.020 to 0.15
0 to 0.030
Silicon (Si), % 0.9 to 1.9
0.2 to 0.4
Sulfur (S), % 0.020 to 0.2
0 to 0.030
Tungsten (W), % 0
17.3 to 18.8
Vanadium (V), % 0
0.9 to 1.3

Comparable Variants