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520.0 Aluminum vs. QE22A Magnesium

520.0 aluminum belongs to the aluminum alloys classification, while QE22A magnesium belongs to the magnesium alloys. There are 30 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is 520.0 aluminum and the bottom bar is QE22A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 75
80
Elastic (Young's, Tensile) Modulus, GPa 66
44
Elongation at Break, % 14
2.4
Fatigue Strength, MPa 55
110
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 25
17
Shear Strength, MPa 230
150
Tensile Strength: Ultimate (UTS), MPa 330
250
Tensile Strength: Yield (Proof), MPa 170
190

Thermal Properties

Latent Heat of Fusion, J/g 390
340
Maximum Temperature: Mechanical, °C 170
250
Melting Completion (Liquidus), °C 600
640
Melting Onset (Solidus), °C 480
570
Solidification (Pattern Maker's) Shrinkage, % 0.8
1.3
Specific Heat Capacity, J/kg-K 910
970
Thermal Conductivity, W/m-K 87
110
Thermal Expansion, µm/m-K 25
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 21
25
Electrical Conductivity: Equal Weight (Specific), % IACS 72
120

Otherwise Unclassified Properties

Density, g/cm3 2.6
2.0
Embodied Carbon, kg CO2/kg material 9.8
27
Embodied Energy, MJ/kg 160
220

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 39
5.5
Resilience: Unit (Modulus of Resilience), kJ/m3 230
400
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 52
60
Strength to Weight: Axial, points 35
36
Strength to Weight: Bending, points 41
46
Thermal Diffusivity, mm2/s 37
59
Thermal Shock Resistance, points 14
15

Alloy Composition

Aluminum (Al), % 87.9 to 90.5
0
Copper (Cu), % 0 to 0.25
0 to 0.1
Iron (Fe), % 0 to 0.3
0
Magnesium (Mg), % 9.5 to 10.6
93.1 to 95.8
Manganese (Mn), % 0 to 0.15
0
Nickel (Ni), % 0
0 to 0.010
Silicon (Si), % 0 to 0.25
0
Silver (Ag), % 0
2.0 to 3.0
Titanium (Ti), % 0 to 0.25
0
Unspecified Rare Earths, % 0
1.8 to 2.5
Zinc (Zn), % 0 to 0.15
0
Zirconium (Zr), % 0
0.4 to 1.0
Residuals, % 0
0 to 0.3