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EN-MC32110 Magnesium vs. 5042 Aluminum

EN-MC32110 magnesium belongs to the magnesium alloys classification, while 5042 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 5042 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
97 to 120
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 19
26
Shear Strength, MPa 120
200
Tensile Strength: Ultimate (UTS), MPa 220
340 to 360
Tensile Strength: Yield (Proof), MPa 140
270 to 310

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
570
Specific Heat Capacity, J/kg-K 950
900
Thermal Conductivity, W/m-K 120
130
Thermal Expansion, µm/m-K 26
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 32
33
Electrical Conductivity: Equal Weight (Specific), % IACS 140
110

Otherwise Unclassified Properties

Base Metal Price, % relative 13
9.5
Density, g/cm3 2.1
2.7
Embodied Carbon, kg CO2/kg material 22
8.8
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 920
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.3
3.6 to 12
Resilience: Unit (Modulus of Resilience), kJ/m3 210
550 to 720
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 58
50
Strength to Weight: Axial, points 29
35 to 37
Strength to Weight: Bending, points 38
40 to 42
Thermal Diffusivity, mm2/s 58
53
Thermal Shock Resistance, points 12
15 to 16

Alloy Composition


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Aluminum (Al), % 0 to 0.2
94.2 to 96.8
Chromium (Cr), % 0
0 to 0.1
Copper (Cu), % 2.4 to 3.0
0 to 0.15
Iron (Fe), % 0 to 0.050
0 to 0.35
Magnesium (Mg), % 89.3 to 91.9
3.0 to 4.0
Manganese (Mn), % 0.25 to 0.75
0.2 to 0.5
Nickel (Ni), % 0 to 0.010
0
Silicon (Si), % 0 to 0.2
0 to 0.2
Titanium (Ti), % 0
0 to 0.1
Zinc (Zn), % 5.5 to 6.5
0 to 0.25
Residuals, % 0 to 0.010
0 to 0.15