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EN-MC32110 Magnesium vs. 5021 Aluminum

EN-MC32110 magnesium belongs to the magnesium alloys classification, while 5021 aluminum belongs to the aluminum alloys. There are 30 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is EN-MC32110 magnesium and the bottom bar is 5021 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 49
68
Elongation at Break, % 2.2
1.1 to 3.4
Fatigue Strength, MPa 80
85 to 110
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 19
26
Shear Strength, MPa 120
170
Tensile Strength: Ultimate (UTS), MPa 220
300 to 310
Tensile Strength: Yield (Proof), MPa 140
240 to 270

Thermal Properties

Latent Heat of Fusion, J/g 330
400
Maximum Temperature: Mechanical, °C 99
180
Melting Completion (Liquidus), °C 600
640
Melting Onset (Solidus), °C 500
590
Specific Heat Capacity, J/kg-K 950
900
Thermal Conductivity, W/m-K 120
140
Thermal Expansion, µm/m-K 26
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 32
35
Electrical Conductivity: Equal Weight (Specific), % IACS 140
120

Otherwise Unclassified Properties

Base Metal Price, % relative 13
9.5
Density, g/cm3 2.1
2.7
Embodied Carbon, kg CO2/kg material 22
8.6
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 920
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.3
3.1 to 10
Resilience: Unit (Modulus of Resilience), kJ/m3 210
440 to 550
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 58
50
Strength to Weight: Axial, points 29
30 to 32
Strength to Weight: Bending, points 38
37
Thermal Diffusivity, mm2/s 58
57
Thermal Shock Resistance, points 12
13 to 14

Alloy Composition


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Aluminum (Al), % 0 to 0.2
95.2 to 97.7
Chromium (Cr), % 0
0 to 0.15
Copper (Cu), % 2.4 to 3.0
0 to 0.15
Iron (Fe), % 0 to 0.050
0 to 0.5
Magnesium (Mg), % 89.3 to 91.9
2.2 to 2.8
Manganese (Mn), % 0.25 to 0.75
0.1 to 0.5
Nickel (Ni), % 0 to 0.010
0
Silicon (Si), % 0 to 0.2
0 to 0.4
Zinc (Zn), % 5.5 to 6.5
0 to 0.15
Residuals, % 0 to 0.010
0 to 0.15