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EN-MC21210 Magnesium vs. 324.0 Aluminum

EN-MC21210 magnesium belongs to the magnesium alloys classification, while 324.0 aluminum belongs to the aluminum alloys. There are 29 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is EN-MC21210 magnesium and the bottom bar is 324.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 44
71
Elongation at Break, % 14
3.0 to 4.0
Fatigue Strength, MPa 70
77 to 89
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 17
27
Tensile Strength: Ultimate (UTS), MPa 190
210 to 310
Tensile Strength: Yield (Proof), MPa 90
110 to 270

Thermal Properties

Latent Heat of Fusion, J/g 350
500
Maximum Temperature: Mechanical, °C 100
170
Melting Completion (Liquidus), °C 600
610
Melting Onset (Solidus), °C 570
550
Specific Heat Capacity, J/kg-K 1000
900
Thermal Conductivity, W/m-K 120
150
Thermal Expansion, µm/m-K 27
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 24
34
Electrical Conductivity: Equal Weight (Specific), % IACS 130
120

Otherwise Unclassified Properties

Base Metal Price, % relative 12
9.5
Density, g/cm3 1.6
2.7
Embodied Carbon, kg CO2/kg material 24
7.9
Embodied Energy, MJ/kg 160
150
Embodied Water, L/kg 980
1090

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 22
6.8 to 8.9
Resilience: Unit (Modulus of Resilience), kJ/m3 92
85 to 510
Stiffness to Weight: Axial, points 15
15
Stiffness to Weight: Bending, points 72
52
Strength to Weight: Axial, points 32
22 to 32
Strength to Weight: Bending, points 44
29 to 38
Thermal Diffusivity, mm2/s 76
62
Thermal Shock Resistance, points 11
9.7 to 14

Alloy Composition


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Aluminum (Al), % 1.6 to 2.6
87.3 to 92.2
Copper (Cu), % 0 to 0.010
0.4 to 0.6
Iron (Fe), % 0 to 0.0050
0 to 1.2
Magnesium (Mg), % 96.3 to 98.3
0.4 to 0.7
Manganese (Mn), % 0.1 to 0.7
0 to 0.5
Nickel (Ni), % 0 to 0.0020
0 to 0.3
Silicon (Si), % 0 to 0.1
7.0 to 8.0
Titanium (Ti), % 0
0 to 0.2
Zinc (Zn), % 0 to 0.2
0 to 1.0
Residuals, % 0 to 0.010
0 to 0.2