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Automotive Malleable Cast Iron vs. SAE-AISI M48 Steel

Both automotive malleable cast iron and SAE-AISI M48 steel are iron alloys. They have 69% of their average alloy composition in common. There are 19 material properties with values for both materials. Properties with values for just one material (10, 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 M48 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
890 to 2390

Thermal Properties

Latent Heat of Fusion, J/g 260
260
Melting Completion (Liquidus), °C 1410
1670
Melting Onset (Solidus), °C 1370
1620
Specific Heat Capacity, J/kg-K 480
420
Thermal Expansion, µm/m-K 14
12

Otherwise Unclassified Properties

Base Metal Price, % relative 1.9
48
Density, g/cm3 7.6
8.7
Embodied Carbon, kg CO2/kg material 1.5
13
Embodied Energy, MJ/kg 20
190
Embodied Water, L/kg 45
160

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 25
22
Strength to Weight: Axial, points 13 to 26
28 to 76
Strength to Weight: Bending, points 14 to 24
23 to 45
Thermal Shock Resistance, points 9.9 to 21
26 to 71

Alloy Composition

Carbon (C), % 2.2 to 2.9
1.4 to 1.5
Chromium (Cr), % 0
3.5 to 4.0
Cobalt (Co), % 0
8.0 to 10
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 93.6 to 96.7
63.8 to 69.8
Manganese (Mn), % 0.15 to 1.3
0.15 to 0.4
Molybdenum (Mo), % 0
4.8 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
0.15 to 0.4
Sulfur (S), % 0.020 to 0.2
0 to 0.030
Tungsten (W), % 0
9.5 to 10.5
Vanadium (V), % 0
2.8 to 3.3

Comparable Variants