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EN-MC21120 Magnesium vs. 6012 Aluminum

EN-MC21120 magnesium belongs to the magnesium alloys classification, while 6012 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-MC21120 magnesium and the bottom bar is 6012 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 46
69
Elongation at Break, % 2.2 to 6.7
9.1 to 11
Fatigue Strength, MPa 84 to 96
55 to 100
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 18
26
Shear Strength, MPa 110 to 160
130 to 190
Tensile Strength: Ultimate (UTS), MPa 200 to 270
220 to 320
Tensile Strength: Yield (Proof), MPa 130 to 170
110 to 260

Thermal Properties

Latent Heat of Fusion, J/g 350
400
Maximum Temperature: Mechanical, °C 130
170
Melting Completion (Liquidus), °C 600
640
Melting Onset (Solidus), °C 490
570
Specific Heat Capacity, J/kg-K 990
890
Thermal Conductivity, W/m-K 76
160
Thermal Expansion, µm/m-K 26
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
45
Electrical Conductivity: Equal Weight (Specific), % IACS 59
140

Otherwise Unclassified Properties

Base Metal Price, % relative 12
9.5
Density, g/cm3 1.7
2.9
Embodied Carbon, kg CO2/kg material 22
8.2
Embodied Energy, MJ/kg 160
150
Embodied Water, L/kg 990
1170

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 5.0 to 15
21 to 28
Resilience: Unit (Modulus of Resilience), kJ/m3 180 to 320
94 to 480
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 69
48
Strength to Weight: Axial, points 31 to 43
22 to 32
Strength to Weight: Bending, points 43 to 53
29 to 37
Thermal Diffusivity, mm2/s 44
62
Thermal Shock Resistance, points 11 to 16
10 to 14

Alloy Composition


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Aluminum (Al), % 8.3 to 9.7
92.2 to 98
Bismuth (Bi), % 0
0 to 0.7
Chromium (Cr), % 0
0 to 0.3
Copper (Cu), % 0 to 0.030
0 to 0.1
Iron (Fe), % 0 to 0.0050
0 to 0.5
Lead (Pb), % 0
0.4 to 2.0
Magnesium (Mg), % 88.6 to 91.3
0.6 to 1.2
Manganese (Mn), % 0.1 to 0.5
0.4 to 1.0
Nickel (Ni), % 0 to 0.0020
0
Silicon (Si), % 0 to 0.2
0.6 to 1.4
Titanium (Ti), % 0
0 to 0.2
Zinc (Zn), % 0.35 to 1.0
0 to 0.3
Residuals, % 0 to 0.010
0 to 0.15

Comparable Variants