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Austenitic Grey Cast Iron vs. EN-MC35110 Magnesium

Austenitic grey cast iron belongs to the iron alloys classification, while EN-MC35110 magnesium belongs to the magnesium alloys. There are 20 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown. Please note that the two materials have significantly dissimilar densities. This means that additional care is required when interpreting the data, because some material properties are based on units of mass, while others are based on units of area or volume.

For each property being compared, the top bar is austenitic grey cast iron and the bottom bar is EN-MC35110 magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 110 to 210
63
Elastic (Young's, Tensile) Modulus, GPa 180
45
Poisson's Ratio 0.29 to 0.3
0.29
Shear Modulus, GPa 69 to 72
18
Tensile Strength: Ultimate (UTS), MPa 150 to 230
230

Thermal Properties

Latent Heat of Fusion, J/g 280 to 350
330
Melting Completion (Liquidus), °C 1340 to 1400
600
Melting Onset (Solidus), °C 1290 to 1350
520
Specific Heat Capacity, J/kg-K 470 to 490
970
Thermal Expansion, µm/m-K 13 to 14
26

Otherwise Unclassified Properties

Base Metal Price, % relative 14 to 24
18
Density, g/cm3 7.7 to 8.1
1.9
Embodied Carbon, kg CO2/kg material 3.1 to 4.7
24
Embodied Energy, MJ/kg 43 to 65
170
Embodied Water, L/kg 93 to 120
940

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 23 to 25
63
Strength to Weight: Axial, points 5.3 to 8.2
34
Strength to Weight: Bending, points 7.9 to 11
44
Thermal Shock Resistance, points 4.5 to 6.5
14