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EN AC-44400 Aluminum vs. QE22A Magnesium

EN AC-44400 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-44400 aluminum and the bottom bar is QE22A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 61
80
Elastic (Young's, Tensile) Modulus, GPa 71
44
Elongation at Break, % 4.1
2.4
Fatigue Strength, MPa 79
110
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 27
17
Tensile Strength: Ultimate (UTS), MPa 210
250
Tensile Strength: Yield (Proof), MPa 110
190

Thermal Properties

Latent Heat of Fusion, J/g 540
340
Maximum Temperature: Mechanical, °C 170
250
Melting Completion (Liquidus), °C 600
640
Melting Onset (Solidus), °C 590
570
Specific Heat Capacity, J/kg-K 900
970
Thermal Conductivity, W/m-K 140
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 7.8
27
Embodied Energy, MJ/kg 150
220

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 7.3
5.5
Resilience: Unit (Modulus of Resilience), kJ/m3 85
400
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 54
60
Strength to Weight: Axial, points 23
36
Strength to Weight: Bending, points 31
46
Thermal Diffusivity, mm2/s 60
59
Thermal Shock Resistance, points 9.8
15

Alloy Composition

Aluminum (Al), % 87.1 to 92
0
Copper (Cu), % 0 to 0.1
0 to 0.1
Iron (Fe), % 0 to 0.65
0
Lead (Pb), % 0 to 0.050
0
Magnesium (Mg), % 0 to 0.1
93.1 to 95.8
Manganese (Mn), % 0 to 0.5
0
Nickel (Ni), % 0 to 0.050
0 to 0.010
Silicon (Si), % 8.0 to 11
0
Silver (Ag), % 0
2.0 to 3.0
Tin (Sn), % 0 to 0.050
0
Titanium (Ti), % 0 to 0.15
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