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8011A Aluminum vs. AZ92A Magnesium

8011A aluminum belongs to the aluminum alloys classification, while AZ92A magnesium belongs to the magnesium alloys. There are 29 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 AZ92A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
47
Elongation at Break, % 1.7 to 28
2.1 to 6.8
Fatigue Strength, MPa 33 to 76
76 to 90
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
18
Tensile Strength: Ultimate (UTS), MPa 100 to 180
170 to 270
Tensile Strength: Yield (Proof), MPa 34 to 170
83 to 140

Thermal Properties

Latent Heat of Fusion, J/g 400
350
Maximum Temperature: Mechanical, °C 170
130
Melting Completion (Liquidus), °C 650
590
Melting Onset (Solidus), °C 630
440
Specific Heat Capacity, J/kg-K 900
980
Thermal Conductivity, W/m-K 210
44 to 58
Thermal Expansion, µm/m-K 23
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 56
11 to 12
Electrical Conductivity: Equal Weight (Specific), % IACS 180
53 to 62

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
12
Density, g/cm3 2.7
1.8
Embodied Carbon, kg CO2/kg material 8.2
22
Embodied Energy, MJ/kg 150
160
Embodied Water, L/kg 1180
980

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 3.0 to 22
4.0 to 14
Resilience: Unit (Modulus of Resilience), kJ/m3 8.2 to 200
73 to 220
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 50
67
Strength to Weight: Axial, points 11 to 18
26 to 41
Strength to Weight: Bending, points 18 to 26
38 to 51
Thermal Diffusivity, mm2/s 86
25 to 33
Thermal Shock Resistance, points 4.6 to 8.1
10 to 16

Alloy Composition

Aluminum (Al), % 97.5 to 99.1
8.3 to 9.7
Chromium (Cr), % 0 to 0.1
0
Copper (Cu), % 0 to 0.1
0 to 0.25
Iron (Fe), % 0.5 to 1.0
0
Magnesium (Mg), % 0 to 0.1
86.7 to 90
Manganese (Mn), % 0 to 0.1
0.1 to 0.35
Nickel (Ni), % 0
0 to 0.010
Silicon (Si), % 0.4 to 0.8
0 to 0.3
Titanium (Ti), % 0 to 0.050
0
Zinc (Zn), % 0 to 0.1
1.6 to 2.4
Residuals, % 0
0 to 0.3