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EN AC-71100 Aluminum vs. QE22A Magnesium

EN AC-71100 aluminum belongs to the aluminum alloys classification, while QE22A magnesium belongs to the magnesium alloys. There are 26 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is EN AC-71100 aluminum and the bottom bar is QE22A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 110
80
Elastic (Young's, Tensile) Modulus, GPa 72
44
Elongation at Break, % 1.1
2.4
Fatigue Strength, MPa 150
110
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 27
17
Tensile Strength: Ultimate (UTS), MPa 260
250
Tensile Strength: Yield (Proof), MPa 230
190

Thermal Properties

Latent Heat of Fusion, J/g 490
340
Maximum Temperature: Mechanical, °C 170
250
Melting Completion (Liquidus), °C 580
640
Melting Onset (Solidus), °C 520
570
Specific Heat Capacity, J/kg-K 860
970
Thermal Expansion, µm/m-K 22
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 32
25
Electrical Conductivity: Equal Weight (Specific), % IACS 97
120

Otherwise Unclassified Properties

Density, g/cm3 2.9
2.0
Embodied Carbon, kg CO2/kg material 7.4
27
Embodied Energy, MJ/kg 140
220

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.8
5.5
Resilience: Unit (Modulus of Resilience), kJ/m3 360
400
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 47
60
Strength to Weight: Axial, points 25
36
Strength to Weight: Bending, points 31
46
Thermal Shock Resistance, points 12
15

Alloy Composition

Aluminum (Al), % 78.7 to 83.3
0
Copper (Cu), % 0 to 0.1
0 to 0.1
Iron (Fe), % 0 to 0.3
0
Magnesium (Mg), % 0.2 to 0.5
93.1 to 95.8
Manganese (Mn), % 0 to 0.15
0
Nickel (Ni), % 0
0 to 0.010
Silicon (Si), % 7.5 to 9.5
0
Silver (Ag), % 0
2.0 to 3.0
Titanium (Ti), % 0 to 0.15
0
Unspecified Rare Earths, % 0
1.8 to 2.5
Zinc (Zn), % 9.0 to 10.5
0
Zirconium (Zr), % 0
0.4 to 1.0
Residuals, % 0
0 to 0.3