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2030 Aluminum vs. QE22A Magnesium

2030 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 2030 aluminum and the bottom bar is QE22A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
44
Elongation at Break, % 5.6 to 8.0
2.4
Fatigue Strength, MPa 91 to 110
110
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
17
Shear Strength, MPa 220 to 250
150
Tensile Strength: Ultimate (UTS), MPa 370 to 420
250
Tensile Strength: Yield (Proof), MPa 240 to 270
190

Thermal Properties

Latent Heat of Fusion, J/g 390
340
Maximum Temperature: Mechanical, °C 190
250
Melting Completion (Liquidus), °C 640
640
Melting Onset (Solidus), °C 510
570
Specific Heat Capacity, J/kg-K 870
970
Thermal Conductivity, W/m-K 130
110
Thermal Expansion, µm/m-K 23
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 34
25
Electrical Conductivity: Equal Weight (Specific), % IACS 99
120

Otherwise Unclassified Properties

Density, g/cm3 3.1
2.0
Embodied Carbon, kg CO2/kg material 8.0
27
Embodied Energy, MJ/kg 150
220

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 21 to 26
5.5
Resilience: Unit (Modulus of Resilience), kJ/m3 390 to 530
400
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 45
60
Strength to Weight: Axial, points 33 to 38
36
Strength to Weight: Bending, points 37 to 40
46
Thermal Diffusivity, mm2/s 50
59
Thermal Shock Resistance, points 16 to 19
15

Alloy Composition

Aluminum (Al), % 88.9 to 95.2
0
Bismuth (Bi), % 0 to 0.2
0
Chromium (Cr), % 0 to 0.1
0
Copper (Cu), % 3.3 to 4.5
0 to 0.1
Iron (Fe), % 0 to 0.7
0
Lead (Pb), % 0.8 to 1.5
0
Magnesium (Mg), % 0.5 to 1.3
93.1 to 95.8
Manganese (Mn), % 0.2 to 1.0
0
Nickel (Ni), % 0
0 to 0.010
Silicon (Si), % 0 to 0.8
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 0.5
0
Zirconium (Zr), % 0
0.4 to 1.0
Residuals, % 0
0 to 0.3