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EN-MC21120 Magnesium vs. 356.0 Aluminum

EN-MC21120 magnesium belongs to the magnesium alloys classification, while 356.0 aluminum belongs to the aluminum alloys. There are 31 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is EN-MC21120 magnesium and the bottom bar is 356.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 63 to 75
55 to 75
Elastic (Young's, Tensile) Modulus, GPa 46
70
Elongation at Break, % 2.2 to 6.7
2.0 to 3.8
Fatigue Strength, MPa 84 to 96
55 to 75
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 18
27
Shear Strength, MPa 110 to 160
140 to 190
Tensile Strength: Ultimate (UTS), MPa 200 to 270
160 to 240
Tensile Strength: Yield (Proof), MPa 130 to 170
100 to 190

Thermal Properties

Latent Heat of Fusion, J/g 350
500
Maximum Temperature: Mechanical, °C 130
170
Melting Completion (Liquidus), °C 600
620
Melting Onset (Solidus), °C 490
570
Specific Heat Capacity, J/kg-K 990
900
Thermal Conductivity, W/m-K 76
150 to 170
Thermal Expansion, µm/m-K 26
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
40 to 43
Electrical Conductivity: Equal Weight (Specific), % IACS 59
140 to 150

Otherwise Unclassified Properties

Base Metal Price, % relative 12
9.5
Density, g/cm3 1.7
2.6
Embodied Carbon, kg CO2/kg material 22
8.0
Embodied Energy, MJ/kg 160
150
Embodied Water, L/kg 990
1110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 5.0 to 15
3.2 to 8.2
Resilience: Unit (Modulus of Resilience), kJ/m3 180 to 320
70 to 250
Stiffness to Weight: Axial, points 15
15
Stiffness to Weight: Bending, points 69
53
Strength to Weight: Axial, points 31 to 43
17 to 26
Strength to Weight: Bending, points 43 to 53
25 to 33
Thermal Diffusivity, mm2/s 44
64 to 71
Thermal Shock Resistance, points 11 to 16
7.6 to 11

Alloy Composition


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Aluminum (Al), % 8.3 to 9.7
90.1 to 93.3
Copper (Cu), % 0 to 0.030
0 to 0.25
Iron (Fe), % 0 to 0.0050
0 to 0.6
Magnesium (Mg), % 88.6 to 91.3
0.2 to 0.45
Manganese (Mn), % 0.1 to 0.5
0 to 0.35
Nickel (Ni), % 0 to 0.0020
0
Silicon (Si), % 0 to 0.2
6.5 to 7.5
Titanium (Ti), % 0
0 to 0.25
Zinc (Zn), % 0.35 to 1.0
0 to 0.35
Residuals, % 0 to 0.010
0 to 0.15

Comparable Variants