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EN-MC32110 Magnesium vs. 7108 Aluminum

EN-MC32110 magnesium belongs to the magnesium alloys classification, while 7108 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 7108 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 49
69
Elongation at Break, % 2.2
11
Fatigue Strength, MPa 80
120
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 19
26
Shear Strength, MPa 120
210
Tensile Strength: Ultimate (UTS), MPa 220
350
Tensile Strength: Yield (Proof), MPa 140
290

Thermal Properties

Latent Heat of Fusion, J/g 330
380
Maximum Temperature: Mechanical, °C 99
210
Melting Completion (Liquidus), °C 600
630
Melting Onset (Solidus), °C 500
530
Specific Heat Capacity, J/kg-K 950
880
Thermal Conductivity, W/m-K 120
150
Thermal Expansion, µm/m-K 26
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 32
39
Electrical Conductivity: Equal Weight (Specific), % IACS 140
120

Otherwise Unclassified Properties

Base Metal Price, % relative 13
9.5
Density, g/cm3 2.1
2.9
Embodied Carbon, kg CO2/kg material 22
8.3
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 920
1150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.3
38
Resilience: Unit (Modulus of Resilience), kJ/m3 210
620
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 58
47
Strength to Weight: Axial, points 29
34
Strength to Weight: Bending, points 38
38
Thermal Diffusivity, mm2/s 58
59
Thermal Shock Resistance, points 12
16

Alloy Composition


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Aluminum (Al), % 0 to 0.2
92.4 to 94.7
Copper (Cu), % 2.4 to 3.0
0 to 0.050
Iron (Fe), % 0 to 0.050
0 to 0.1
Magnesium (Mg), % 89.3 to 91.9
0.7 to 1.4
Manganese (Mn), % 0.25 to 0.75
0 to 0.050
Nickel (Ni), % 0 to 0.010
0
Silicon (Si), % 0 to 0.2
0 to 0.1
Titanium (Ti), % 0
0 to 0.050
Zinc (Zn), % 5.5 to 6.5
4.5 to 5.5
Zirconium (Zr), % 0
0.12 to 0.25
Residuals, % 0 to 0.010
0 to 0.15