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EN AC-45300 Aluminum vs. QE22A Magnesium

EN AC-45300 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-45300 aluminum and the bottom bar is QE22A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 94 to 120
80
Elastic (Young's, Tensile) Modulus, GPa 71
44
Elongation at Break, % 1.0 to 2.8
2.4
Fatigue Strength, MPa 59 to 72
110
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 27
17
Tensile Strength: Ultimate (UTS), MPa 220 to 290
250
Tensile Strength: Yield (Proof), MPa 150 to 230
190

Thermal Properties

Latent Heat of Fusion, J/g 470
340
Maximum Temperature: Mechanical, °C 170
250
Melting Completion (Liquidus), °C 630
640
Melting Onset (Solidus), °C 590
570
Specific Heat Capacity, J/kg-K 890
970
Thermal Conductivity, W/m-K 150
110
Thermal Expansion, µm/m-K 22
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 36
25
Electrical Conductivity: Equal Weight (Specific), % IACS 120
120

Otherwise Unclassified Properties

Density, g/cm3 2.7
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 2.7 to 5.6
5.5
Resilience: Unit (Modulus of Resilience), kJ/m3 160 to 390
400
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
60
Strength to Weight: Axial, points 23 to 29
36
Strength to Weight: Bending, points 30 to 35
46
Thermal Diffusivity, mm2/s 60
59
Thermal Shock Resistance, points 10 to 13
15

Alloy Composition

Aluminum (Al), % 90.2 to 94.2
0
Copper (Cu), % 1.0 to 1.5
0 to 0.1
Iron (Fe), % 0 to 0.65
0
Lead (Pb), % 0 to 0.15
0
Magnesium (Mg), % 0.35 to 0.65
93.1 to 95.8
Manganese (Mn), % 0 to 0.55
0
Nickel (Ni), % 0 to 0.25
0 to 0.010
Silicon (Si), % 4.5 to 5.5
0
Silver (Ag), % 0
2.0 to 3.0
Tin (Sn), % 0 to 0.050
0
Titanium (Ti), % 0 to 0.25
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