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EN-MC32110 Magnesium vs. Austenitic Grey Cast Iron

EN-MC32110 magnesium belongs to the magnesium alloys classification, while austenitic grey cast iron belongs to the iron 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 EN-MC32110 magnesium and the bottom bar is austenitic grey cast iron.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 60
110 to 210
Elastic (Young's, Tensile) Modulus, GPa 49
180
Poisson's Ratio 0.29
0.29 to 0.3
Shear Modulus, GPa 19
69 to 72
Tensile Strength: Ultimate (UTS), MPa 220
150 to 230

Thermal Properties

Latent Heat of Fusion, J/g 330
280 to 350
Melting Completion (Liquidus), °C 600
1340 to 1400
Melting Onset (Solidus), °C 500
1290 to 1350
Specific Heat Capacity, J/kg-K 950
470 to 490
Thermal Expansion, µm/m-K 26
13 to 14

Otherwise Unclassified Properties

Base Metal Price, % relative 13
14 to 24
Density, g/cm3 2.1
7.7 to 8.1
Embodied Carbon, kg CO2/kg material 22
3.1 to 4.7
Embodied Energy, MJ/kg 150
43 to 65
Embodied Water, L/kg 920
93 to 120

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 58
23 to 25
Strength to Weight: Axial, points 29
5.3 to 8.2
Strength to Weight: Bending, points 38
7.9 to 11
Thermal Shock Resistance, points 12
4.5 to 6.5