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EN-MC21120 Magnesium vs. 852.0 Aluminum

EN-MC21120 magnesium belongs to the magnesium alloys classification, while 852.0 aluminum belongs to the aluminum alloys. There are 31 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-MC21120 magnesium and the bottom bar is 852.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 63 to 75
64
Elastic (Young's, Tensile) Modulus, GPa 46
70
Elongation at Break, % 2.2 to 6.7
3.4
Fatigue Strength, MPa 84 to 96
73
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 18
26
Shear Strength, MPa 110 to 160
130
Tensile Strength: Ultimate (UTS), MPa 200 to 270
200
Tensile Strength: Yield (Proof), MPa 130 to 170
150

Thermal Properties

Latent Heat of Fusion, J/g 350
370
Maximum Temperature: Mechanical, °C 130
190
Melting Completion (Liquidus), °C 600
640
Melting Onset (Solidus), °C 490
210
Specific Heat Capacity, J/kg-K 990
840
Thermal Conductivity, W/m-K 76
180
Thermal Expansion, µm/m-K 26
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
45
Electrical Conductivity: Equal Weight (Specific), % IACS 59
130

Otherwise Unclassified Properties

Base Metal Price, % relative 12
15
Density, g/cm3 1.7
3.2
Embodied Carbon, kg CO2/kg material 22
8.5
Embodied Energy, MJ/kg 160
160
Embodied Water, L/kg 990
1150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 5.0 to 15
6.2
Resilience: Unit (Modulus of Resilience), kJ/m3 180 to 320
160
Stiffness to Weight: Axial, points 15
12
Stiffness to Weight: Bending, points 69
43
Strength to Weight: Axial, points 31 to 43
17
Strength to Weight: Bending, points 43 to 53
24
Thermal Diffusivity, mm2/s 44
65
Thermal Shock Resistance, points 11 to 16
8.7

Alloy Composition


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Aluminum (Al), % 8.3 to 9.7
86.6 to 91.3
Copper (Cu), % 0 to 0.030
1.7 to 2.3
Iron (Fe), % 0 to 0.0050
0 to 0.7
Magnesium (Mg), % 88.6 to 91.3
0.6 to 0.9
Manganese (Mn), % 0.1 to 0.5
0 to 0.1
Nickel (Ni), % 0 to 0.0020
0.9 to 1.5
Silicon (Si), % 0 to 0.2
0 to 0.4
Tin (Sn), % 0
5.5 to 7.0
Titanium (Ti), % 0
0 to 0.2
Zinc (Zn), % 0.35 to 1.0
0
Residuals, % 0 to 0.010
0 to 0.3