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Grey Cast Iron vs. SAE-AISI M52 Steel

Both grey cast iron and SAE-AISI M52 steel are iron alloys. They have 88% of their average alloy composition in common. There are 23 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is grey cast iron and the bottom bar is SAE-AISI M52 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 180
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 69
75
Tensile Strength: Ultimate (UTS), MPa 160 to 450
710 to 2280

Thermal Properties

Latent Heat of Fusion, J/g 280
260
Melting Completion (Liquidus), °C 1380
1510
Melting Onset (Solidus), °C 1180
1470
Specific Heat Capacity, J/kg-K 490
460
Thermal Conductivity, W/m-K 46
31
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
8.9
Electrical Conductivity: Equal Weight (Specific), % IACS 8.9
10

Otherwise Unclassified Properties

Base Metal Price, % relative 1.9
12
Density, g/cm3 7.5
7.9
Embodied Carbon, kg CO2/kg material 1.5
7.5
Embodied Energy, MJ/kg 21
110
Embodied Water, L/kg 44
89

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 5.8 to 17
25 to 80
Strength to Weight: Bending, points 8.7 to 17
22 to 49
Thermal Diffusivity, mm2/s 13
8.4
Thermal Shock Resistance, points 6.0 to 17
21 to 67

Alloy Composition

Carbon (C), % 3.1 to 3.4
0.85 to 1.0
Chromium (Cr), % 0
3.5 to 4.3
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 92.1 to 93.9
84.4 to 88.9
Manganese (Mn), % 0.5 to 0.7
0.15 to 0.45
Molybdenum (Mo), % 0
4.0 to 4.9
Nickel (Ni), % 0
0 to 0.3
Phosphorus (P), % 0 to 0.9
0 to 0.030
Silicon (Si), % 2.5 to 2.8
0.2 to 0.6
Sulfur (S), % 0 to 0.15
0 to 0.030
Tungsten (W), % 0
0.75 to 1.5
Vanadium (V), % 0
1.7 to 2.3