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1085 Aluminum vs. AZ92A Magnesium

1085 aluminum belongs to the aluminum alloys classification, while AZ92A magnesium belongs to the magnesium alloys. There are 30 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is 1085 aluminum and the bottom bar is AZ92A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
47
Elongation at Break, % 4.5 to 39
2.1 to 6.8
Fatigue Strength, MPa 22 to 49
76 to 90
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
18
Shear Strength, MPa 48 to 79
97 to 160
Tensile Strength: Ultimate (UTS), MPa 73 to 140
170 to 270
Tensile Strength: Yield (Proof), MPa 17 to 120
83 to 140

Thermal Properties

Latent Heat of Fusion, J/g 400
350
Maximum Temperature: Mechanical, °C 170
130
Melting Completion (Liquidus), °C 640
590
Melting Onset (Solidus), °C 640
440
Specific Heat Capacity, J/kg-K 900
980
Thermal Conductivity, W/m-K 230
44 to 58
Thermal Expansion, µm/m-K 23
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 61
11 to 12
Electrical Conductivity: Equal Weight (Specific), % IACS 200
53 to 62

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
12
Density, g/cm3 2.7
1.8
Embodied Carbon, kg CO2/kg material 8.3
22
Embodied Energy, MJ/kg 160
160
Embodied Water, L/kg 1200
980

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.8 to 21
4.0 to 14
Resilience: Unit (Modulus of Resilience), kJ/m3 2.1 to 110
73 to 220
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 50
67
Strength to Weight: Axial, points 7.5 to 14
26 to 41
Strength to Weight: Bending, points 14 to 22
38 to 51
Thermal Diffusivity, mm2/s 94
25 to 33
Thermal Shock Resistance, points 3.3 to 6.1
10 to 16

Alloy Composition

Aluminum (Al), % 99.85 to 100
8.3 to 9.7
Copper (Cu), % 0 to 0.030
0 to 0.25
Gallium (Ga), % 0 to 0.030
0
Iron (Fe), % 0 to 0.12
0
Magnesium (Mg), % 0 to 0.020
86.7 to 90
Manganese (Mn), % 0 to 0.020
0.1 to 0.35
Nickel (Ni), % 0
0 to 0.010
Silicon (Si), % 0 to 0.1
0 to 0.3
Titanium (Ti), % 0 to 0.020
0
Vanadium (V), % 0 to 0.050
0
Zinc (Zn), % 0 to 0.030
1.6 to 2.4
Residuals, % 0
0 to 0.3