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QE22A Magnesium vs. 5252 Aluminum

QE22A magnesium belongs to the magnesium alloys classification, while 5252 aluminum belongs to the aluminum alloys. There are 29 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is QE22A magnesium and the bottom bar is 5252 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 80
68 to 75
Elastic (Young's, Tensile) Modulus, GPa 44
68
Elongation at Break, % 2.4
4.5 to 11
Fatigue Strength, MPa 110
100 to 110
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 17
25
Shear Strength, MPa 150
140 to 160
Tensile Strength: Ultimate (UTS), MPa 250
230 to 290
Tensile Strength: Yield (Proof), MPa 190
170 to 240

Thermal Properties

Latent Heat of Fusion, J/g 340
400
Maximum Temperature: Mechanical, °C 250
180
Melting Completion (Liquidus), °C 640
650
Melting Onset (Solidus), °C 570
610
Specific Heat Capacity, J/kg-K 970
910
Thermal Conductivity, W/m-K 110
140
Thermal Expansion, µm/m-K 27
24

Electrical Properties

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

Otherwise Unclassified Properties

Density, g/cm3 2.0
2.7
Embodied Carbon, kg CO2/kg material 27
8.7
Embodied Energy, MJ/kg 220
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 5.5
12 to 23
Resilience: Unit (Modulus of Resilience), kJ/m3 400
210 to 430
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 60
51
Strength to Weight: Axial, points 36
23 to 30
Strength to Weight: Bending, points 46
31 to 36
Thermal Diffusivity, mm2/s 59
57
Thermal Shock Resistance, points 15
10 to 13

Alloy Composition

Aluminum (Al), % 0
96.6 to 97.8
Copper (Cu), % 0 to 0.1
0 to 0.1
Iron (Fe), % 0
0 to 0.1
Magnesium (Mg), % 93.1 to 95.8
2.2 to 2.8
Manganese (Mn), % 0
0 to 0.1
Nickel (Ni), % 0 to 0.010
0
Silicon (Si), % 0
0 to 0.080
Silver (Ag), % 2.0 to 3.0
0
Unspecified Rare Earths, % 1.8 to 2.5
0
Vanadium (V), % 0
0 to 0.050
Zinc (Zn), % 0
0 to 0.050
Zirconium (Zr), % 0.4 to 1.0
0
Residuals, % 0
0 to 0.1