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Automotive Malleable Cast Iron vs. SAE-AISI M36 Steel

Both automotive malleable cast iron and SAE-AISI M36 steel are iron alloys. They have 74% 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 M36 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
78
Tensile Strength: Ultimate (UTS), MPa 350 to 720
810 to 2190

Thermal Properties

Latent Heat of Fusion, J/g 260
260
Melting Completion (Liquidus), °C 1410
1600
Melting Onset (Solidus), °C 1370
1550
Specific Heat Capacity, J/kg-K 480
440
Thermal Conductivity, W/m-K 41
19
Thermal Expansion, µm/m-K 14
12

Otherwise Unclassified Properties

Base Metal Price, % relative 1.9
38
Density, g/cm3 7.6
8.4
Embodied Carbon, kg CO2/kg material 1.5
9.5
Embodied Energy, MJ/kg 20
140
Embodied Water, L/kg 45
140

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 13 to 26
27 to 72
Strength to Weight: Bending, points 14 to 24
23 to 44
Thermal Diffusivity, mm2/s 11
5.1
Thermal Shock Resistance, points 9.9 to 21
25 to 68

Alloy Composition

Carbon (C), % 2.2 to 2.9
0.8 to 0.9
Chromium (Cr), % 0
3.8 to 4.5
Cobalt (Co), % 0
7.8 to 8.8
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 93.6 to 96.7
70.1 to 75.5
Manganese (Mn), % 0.15 to 1.3
0.15 to 0.4
Molybdenum (Mo), % 0
4.6 to 5.5
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 0.45
Sulfur (S), % 0.020 to 0.2
0 to 0.030
Tungsten (W), % 0
5.5 to 6.5
Vanadium (V), % 0
1.8 to 2.3

Comparable Variants