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6012 Aluminum vs. QE22A Magnesium

6012 aluminum belongs to the aluminum alloys classification, while QE22A magnesium belongs to the magnesium alloys. There are 28 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is 6012 aluminum and the bottom bar is QE22A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
44
Elongation at Break, % 9.1 to 11
2.4
Fatigue Strength, MPa 55 to 100
110
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
17
Shear Strength, MPa 130 to 190
150
Tensile Strength: Ultimate (UTS), MPa 220 to 320
250
Tensile Strength: Yield (Proof), MPa 110 to 260
190

Thermal Properties

Latent Heat of Fusion, J/g 400
340
Maximum Temperature: Mechanical, °C 170
250
Melting Completion (Liquidus), °C 640
640
Melting Onset (Solidus), °C 570
570
Specific Heat Capacity, J/kg-K 890
970
Thermal Conductivity, W/m-K 160
110
Thermal Expansion, µm/m-K 23
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 45
25
Electrical Conductivity: Equal Weight (Specific), % IACS 140
120

Otherwise Unclassified Properties

Density, g/cm3 2.9
2.0
Embodied Carbon, kg CO2/kg material 8.2
27
Embodied Energy, MJ/kg 150
220

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 21 to 28
5.5
Resilience: Unit (Modulus of Resilience), kJ/m3 94 to 480
400
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 48
60
Strength to Weight: Axial, points 22 to 32
36
Strength to Weight: Bending, points 29 to 37
46
Thermal Diffusivity, mm2/s 62
59
Thermal Shock Resistance, points 10 to 14
15

Alloy Composition

Aluminum (Al), % 92.2 to 98
0
Bismuth (Bi), % 0 to 0.7
0
Chromium (Cr), % 0 to 0.3
0
Copper (Cu), % 0 to 0.1
0 to 0.1
Iron (Fe), % 0 to 0.5
0
Lead (Pb), % 0.4 to 2.0
0
Magnesium (Mg), % 0.6 to 1.2
93.1 to 95.8
Manganese (Mn), % 0.4 to 1.0
0
Nickel (Ni), % 0
0 to 0.010
Silicon (Si), % 0.6 to 1.4
0
Silver (Ag), % 0
2.0 to 3.0
Titanium (Ti), % 0 to 0.2
0
Unspecified Rare Earths, % 0
1.8 to 2.5
Zinc (Zn), % 0 to 0.3
0
Zirconium (Zr), % 0
0.4 to 1.0
Residuals, % 0
0 to 0.3