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QE22A Magnesium vs. EN AC-42200 Aluminum

QE22A magnesium belongs to the magnesium alloys classification, while EN AC-42200 aluminum belongs to the aluminum 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 QE22A magnesium and the bottom bar is EN AC-42200 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 80
89 to 100
Elastic (Young's, Tensile) Modulus, GPa 44
70
Elongation at Break, % 2.4
3.0 to 6.7
Fatigue Strength, MPa 110
86 to 90
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 17
26
Tensile Strength: Ultimate (UTS), MPa 250
320
Tensile Strength: Yield (Proof), MPa 190
240 to 260

Thermal Properties

Latent Heat of Fusion, J/g 340
500
Maximum Temperature: Mechanical, °C 250
170
Melting Completion (Liquidus), °C 640
610
Melting Onset (Solidus), °C 570
600
Specific Heat Capacity, J/kg-K 970
910
Thermal Conductivity, W/m-K 110
150
Thermal Expansion, µm/m-K 27
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
40
Electrical Conductivity: Equal Weight (Specific), % IACS 120
140

Otherwise Unclassified Properties

Density, g/cm3 2.0
2.6
Embodied Carbon, kg CO2/kg material 27
8.0
Embodied Energy, MJ/kg 220
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 5.5
9.0 to 20
Resilience: Unit (Modulus of Resilience), kJ/m3 400
410 to 490
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 60
53
Strength to Weight: Axial, points 36
34 to 35
Strength to Weight: Bending, points 46
40 to 41
Thermal Diffusivity, mm2/s 59
66
Thermal Shock Resistance, points 15
15

Alloy Composition

Aluminum (Al), % 0
91 to 93.1
Copper (Cu), % 0 to 0.1
0 to 0.050
Iron (Fe), % 0
0 to 0.19
Magnesium (Mg), % 93.1 to 95.8
0.45 to 0.7
Manganese (Mn), % 0
0 to 0.1
Nickel (Ni), % 0 to 0.010
0
Silicon (Si), % 0
6.5 to 7.5
Silver (Ag), % 2.0 to 3.0
0
Titanium (Ti), % 0
0 to 0.25
Unspecified Rare Earths, % 1.8 to 2.5
0
Zinc (Zn), % 0
0 to 0.070
Zirconium (Zr), % 0.4 to 1.0
0
Residuals, % 0
0 to 0.1