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EN AC-45500 Aluminum vs. QE22A Magnesium

EN AC-45500 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 EN AC-45500 aluminum and the bottom bar is QE22A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 110
80
Elastic (Young's, Tensile) Modulus, GPa 70
44
Elongation at Break, % 2.8
2.4
Fatigue Strength, MPa 80
110
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
17
Tensile Strength: Ultimate (UTS), MPa 320
250
Tensile Strength: Yield (Proof), MPa 250
190

Thermal Properties

Latent Heat of Fusion, J/g 500
340
Maximum Temperature: Mechanical, °C 170
250
Melting Completion (Liquidus), °C 610
640
Melting Onset (Solidus), °C 600
570
Specific Heat Capacity, J/kg-K 900
970
Thermal Conductivity, W/m-K 150
110
Thermal Expansion, µm/m-K 22
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 33
25
Electrical Conductivity: Equal Weight (Specific), % IACS 110
120

Otherwise Unclassified Properties

Density, g/cm3 2.6
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 8.2
5.5
Resilience: Unit (Modulus of Resilience), kJ/m3 430
400
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 53
60
Strength to Weight: Axial, points 34
36
Strength to Weight: Bending, points 40
46
Thermal Diffusivity, mm2/s 65
59
Thermal Shock Resistance, points 15
15

Alloy Composition

Aluminum (Al), % 90.6 to 93.1
0
Copper (Cu), % 0.2 to 0.7
0 to 0.1
Iron (Fe), % 0 to 0.25
0
Magnesium (Mg), % 0.2 to 0.45
93.1 to 95.8
Manganese (Mn), % 0 to 0.15
0
Nickel (Ni), % 0
0 to 0.010
Silicon (Si), % 6.5 to 7.5
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 0.070
0
Zirconium (Zr), % 0
0.4 to 1.0
Residuals, % 0
0 to 0.3