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1070A-F Aluminum vs. AZ80A-F Magnesium

1070A-F aluminum belongs to the aluminum alloys classification, while AZ80A-F magnesium belongs to the magnesium alloys.

For each property being compared, the top bar is 1070A-F aluminum and the bottom bar is AZ80A-F magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
46
Elongation at Break, % 29
7.8
Fatigue Strength, MPa 25
150
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
18
Shear Strength, MPa 44
190
Tensile Strength: Ultimate (UTS), MPa 68
330
Tensile Strength: Yield (Proof), MPa 26
210

Thermal Properties

Latent Heat of Fusion, J/g 400
350
Maximum Temperature: Mechanical, °C 170
130
Melting Completion (Liquidus), °C 640
600
Melting Onset (Solidus), °C 640
490
Specific Heat Capacity, J/kg-K 900
990
Thermal Conductivity, W/m-K 230
77
Thermal Expansion, µm/m-K 23
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 60
11
Electrical Conductivity: Equal Weight (Specific), % IACS 200
59

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
12
Density, g/cm3 2.7
1.7
Embodied Carbon, kg CO2/kg material 8.2
23
Embodied Energy, MJ/kg 150
160
Embodied Water, L/kg 1200
990

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 15
23
Resilience: Unit (Modulus of Resilience), kJ/m3 4.9
500
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 50
69
Strength to Weight: Axial, points 7.0
54
Strength to Weight: Bending, points 14
62
Thermal Diffusivity, mm2/s 94
45
Thermal Shock Resistance, points 3.1
20

Alloy Composition

Aluminum (Al), % 99.7 to 100
7.8 to 9.2
Copper (Cu), % 0 to 0.030
0 to 0.050
Iron (Fe), % 0 to 0.25
0 to 0.0050
Magnesium (Mg), % 0 to 0.030
89 to 91.9
Manganese (Mn), % 0 to 0.030
0.12 to 0.5
Nickel (Ni), % 0
0 to 0.0050
Silicon (Si), % 0 to 0.2
0 to 0.1
Titanium (Ti), % 0 to 0.030
0
Zinc (Zn), % 0 to 0.070
0.2 to 0.8
Residuals, % 0
0 to 0.3