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EN-MC21120 Magnesium vs. 6016 Aluminum

EN-MC21120 magnesium belongs to the magnesium alloys classification, while 6016 aluminum belongs to the aluminum alloys.

For each property being compared, the top bar is EN-MC21120 magnesium and the bottom bar is 6016 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 63 to 75
55 to 80
Elastic (Young's, Tensile) Modulus, GPa 46
69
Elongation at Break, % 2.2 to 6.7
11 to 27
Fatigue Strength, MPa 84 to 96
68 to 89
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 18
26
Shear Strength, MPa 110 to 160
130 to 170
Tensile Strength: Ultimate (UTS), MPa 200 to 270
200 to 280
Tensile Strength: Yield (Proof), MPa 130 to 170
110 to 210

Thermal Properties

Latent Heat of Fusion, J/g 350
410
Maximum Temperature: Mechanical, °C 130
160
Melting Completion (Liquidus), °C 600
660
Melting Onset (Solidus), °C 490
610
Specific Heat Capacity, J/kg-K 990
900
Thermal Conductivity, W/m-K 76
190 to 210
Thermal Expansion, µm/m-K 26
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
48 to 54
Electrical Conductivity: Equal Weight (Specific), % IACS 59
160 to 180

Otherwise Unclassified Properties

Base Metal Price, % relative 12
9.5
Density, g/cm3 1.7
2.7
Embodied Carbon, kg CO2/kg material 22
8.2
Embodied Energy, MJ/kg 160
150
Embodied Water, L/kg 990
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 5.0 to 15
29 to 47
Resilience: Unit (Modulus of Resilience), kJ/m3 180 to 320
82 to 340
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 69
51
Strength to Weight: Axial, points 31 to 43
21 to 29
Strength to Weight: Bending, points 43 to 53
29 to 35
Thermal Diffusivity, mm2/s 44
77 to 86
Thermal Shock Resistance, points 11 to 16
9.1 to 12

Alloy Composition


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Aluminum (Al), % 8.3 to 9.7
96.4 to 98.8
Chromium (Cr), % 0
0 to 0.1
Copper (Cu), % 0 to 0.030
0 to 0.2
Iron (Fe), % 0 to 0.0050
0 to 0.5
Magnesium (Mg), % 88.6 to 91.3
0.25 to 0.6
Manganese (Mn), % 0.1 to 0.5
0 to 0.2
Nickel (Ni), % 0 to 0.0020
0
Silicon (Si), % 0 to 0.2
1.0 to 1.5
Titanium (Ti), % 0
0 to 0.15
Zinc (Zn), % 0.35 to 1.0
0 to 0.2
Residuals, % 0 to 0.010
0 to 0.15

Comparable Variants