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8011A Aluminum vs. EZ33A Magnesium

8011A aluminum belongs to the aluminum alloys classification, while EZ33A magnesium belongs to the magnesium alloys. There are 30 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is 8011A aluminum and the bottom bar is EZ33A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 25 to 50
55
Elastic (Young's, Tensile) Modulus, GPa 69
44
Elongation at Break, % 1.7 to 28
2.6
Fatigue Strength, MPa 33 to 76
70
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
17
Tensile Strength: Ultimate (UTS), MPa 100 to 180
150
Tensile Strength: Yield (Proof), MPa 34 to 170
100

Thermal Properties

Latent Heat of Fusion, J/g 400
330
Maximum Temperature: Mechanical, °C 170
250
Melting Completion (Liquidus), °C 650
640
Melting Onset (Solidus), °C 630
570
Specific Heat Capacity, J/kg-K 900
970
Thermal Conductivity, W/m-K 210
100
Thermal Expansion, µm/m-K 23
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 56
24
Electrical Conductivity: Equal Weight (Specific), % IACS 180
110

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
25
Density, g/cm3 2.7
1.9
Embodied Carbon, kg CO2/kg material 8.2
25
Embodied Energy, MJ/kg 150
190
Embodied Water, L/kg 1180
930

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 3.0 to 22
3.6
Resilience: Unit (Modulus of Resilience), kJ/m3 8.2 to 200
120
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
61
Strength to Weight: Axial, points 11 to 18
22
Strength to Weight: Bending, points 18 to 26
33
Thermal Diffusivity, mm2/s 86
54
Thermal Shock Resistance, points 4.6 to 8.1
9.2

Alloy Composition

Aluminum (Al), % 97.5 to 99.1
0
Chromium (Cr), % 0 to 0.1
0
Copper (Cu), % 0 to 0.1
0 to 0.1
Iron (Fe), % 0.5 to 1.0
0
Magnesium (Mg), % 0 to 0.1
91.5 to 95
Manganese (Mn), % 0 to 0.1
0
Nickel (Ni), % 0
0 to 0.010
Silicon (Si), % 0.4 to 0.8
0
Titanium (Ti), % 0 to 0.050
0
Unspecified Rare Earths, % 0
2.5 to 4.0
Zinc (Zn), % 0 to 0.1
2.0 to 3.1
Zirconium (Zr), % 0
0.5 to 1.0
Residuals, % 0
0 to 0.3