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SAE-AISI T2 Steel vs. Automotive Malleable Cast Iron

Both SAE-AISI T2 steel and automotive malleable cast iron are iron alloys. They have 75% 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 SAE-AISI T2 steel and the bottom bar is automotive malleable cast iron.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
180
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 79
70
Tensile Strength: Ultimate (UTS), MPa 780 to 2150
350 to 720

Thermal Properties

Latent Heat of Fusion, J/g 250
260
Melting Completion (Liquidus), °C 1820
1410
Melting Onset (Solidus), °C 1760
1370
Specific Heat Capacity, J/kg-K 410
480
Thermal Conductivity, W/m-K 19
41
Thermal Expansion, µm/m-K 12
14

Otherwise Unclassified Properties

Base Metal Price, % relative 46
1.9
Density, g/cm3 9.3
7.6
Embodied Carbon, kg CO2/kg material 11
1.5
Embodied Energy, MJ/kg 170
20
Embodied Water, L/kg 98
45

Common Calculations

Stiffness to Weight: Axial, points 12
13
Stiffness to Weight: Bending, points 21
25
Strength to Weight: Axial, points 23 to 64
13 to 26
Strength to Weight: Bending, points 20 to 40
14 to 24
Thermal Diffusivity, mm2/s 4.9
11
Thermal Shock Resistance, points 23 to 65
9.9 to 21

Alloy Composition

Carbon (C), % 0.8 to 0.9
2.2 to 2.9
Chromium (Cr), % 3.8 to 4.5
0
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 70.8 to 75.8
93.6 to 96.7
Manganese (Mn), % 0.2 to 0.4
0.15 to 1.3
Molybdenum (Mo), % 0 to 1.0
0
Nickel (Ni), % 0 to 0.3
0
Phosphorus (P), % 0 to 0.030
0.020 to 0.15
Silicon (Si), % 0.2 to 0.4
0.9 to 1.9
Sulfur (S), % 0 to 0.030
0.020 to 0.2
Tungsten (W), % 17.5 to 19
0
Vanadium (V), % 1.8 to 2.4
0

Comparable Variants