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EN-MC32110 Magnesium vs. 851.0 Aluminum

EN-MC32110 magnesium belongs to the magnesium alloys classification, while 851.0 aluminum belongs to the aluminum alloys. There are 25 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is EN-MC32110 magnesium and the bottom bar is 851.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 49
69
Elongation at Break, % 2.2
3.9 to 9.1
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 19
26
Tensile Strength: Ultimate (UTS), MPa 220
130 to 140

Thermal Properties

Latent Heat of Fusion, J/g 330
410
Maximum Temperature: Mechanical, °C 99
180
Melting Completion (Liquidus), °C 600
630
Melting Onset (Solidus), °C 500
360
Specific Heat Capacity, J/kg-K 950
850
Thermal Conductivity, W/m-K 120
180
Thermal Expansion, µm/m-K 26
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 32
46
Electrical Conductivity: Equal Weight (Specific), % IACS 140
140

Otherwise Unclassified Properties

Base Metal Price, % relative 13
14
Density, g/cm3 2.1
3.1
Embodied Carbon, kg CO2/kg material 22
8.4
Embodied Energy, MJ/kg 150
160
Embodied Water, L/kg 920
1140

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 58
45
Strength to Weight: Axial, points 29
12 to 13
Strength to Weight: Bending, points 38
19 to 20
Thermal Diffusivity, mm2/s 58
69
Thermal Shock Resistance, points 12
6.1 to 6.3

Alloy Composition

Aluminum (Al), % 0 to 0.2
86.6 to 91.5
Copper (Cu), % 2.4 to 3.0
0.7 to 1.3
Iron (Fe), % 0 to 0.050
0 to 0.7
Magnesium (Mg), % 89.3 to 91.9
0 to 0.1
Manganese (Mn), % 0.25 to 0.75
0 to 0.1
Nickel (Ni), % 0 to 0.010
0.3 to 0.7
Silicon (Si), % 0 to 0.2
2.0 to 3.0
Tin (Sn), % 0
5.5 to 7.0
Titanium (Ti), % 0
0 to 0.2
Zinc (Zn), % 5.5 to 6.5
0
Residuals, % 0
0 to 0.3