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AZ63A Magnesium vs. Austenitic Nodular Cast Iron

AZ63A magnesium belongs to the magnesium alloys classification, while austenitic nodular cast iron belongs to the iron alloys. There are 23 material properties with values for both materials. Properties with values for just one material (9, 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 AZ63A magnesium and the bottom bar is austenitic nodular cast iron.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 46
180 to 190
Elongation at Break, % 2.2 to 8.0
6.8 to 34
Poisson's Ratio 0.29
0.29 to 0.3
Shear Modulus, GPa 18
70 to 72
Tensile Strength: Ultimate (UTS), MPa 190 to 270
430 to 500
Tensile Strength: Yield (Proof), MPa 81 to 120
190 to 240

Thermal Properties

Latent Heat of Fusion, J/g 350
280 to 350
Melting Completion (Liquidus), °C 610
1340 to 1400
Melting Onset (Solidus), °C 450
1300 to 1360
Specific Heat Capacity, J/kg-K 980
470 to 490
Thermal Expansion, µm/m-K 26
13 to 14

Otherwise Unclassified Properties

Base Metal Price, % relative 12
16 to 25
Density, g/cm3 1.8
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 970
91 to 120

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 3.7 to 16
24 to 140
Resilience: Unit (Modulus of Resilience), kJ/m3 71 to 160
98 to 160
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 66
24 to 25
Strength to Weight: Axial, points 29 to 41
15 to 18
Strength to Weight: Bending, points 40 to 51
16 to 18
Thermal Shock Resistance, points 11 to 16
12 to 15

Comparable Variants