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EN-MC32110 Magnesium vs. Austenitic Nodular Cast Iron

EN-MC32110 magnesium belongs to the magnesium alloys classification, while austenitic nodular cast iron belongs to the iron alloys. There are 24 material properties with values for both materials. Properties with values for just one material (7, 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 nodular cast iron.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 60
140 to 240
Elastic (Young's, Tensile) Modulus, GPa 49
180 to 190
Elongation at Break, % 2.2
6.8 to 34
Poisson's Ratio 0.29
0.29 to 0.3
Shear Modulus, GPa 19
70 to 72
Tensile Strength: Ultimate (UTS), MPa 220
430 to 500
Tensile Strength: Yield (Proof), MPa 140
190 to 240

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
1300 to 1360
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
16 to 25
Density, g/cm3 2.1
7.7 to 8.0
Embodied Carbon, kg CO2/kg material 22
3.5 to 4.9
Embodied Energy, MJ/kg 150
48 to 68
Embodied Water, L/kg 920
91 to 120

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.3
24 to 140
Resilience: Unit (Modulus of Resilience), kJ/m3 210
98 to 160
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 58
24 to 25
Strength to Weight: Axial, points 29
15 to 18
Strength to Weight: Bending, points 38
16 to 18
Thermal Shock Resistance, points 12
12 to 15