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2024-T6 Aluminum vs. AZ80A-T6 Magnesium

2024-T6 aluminum belongs to the aluminum alloys classification, while AZ80A-T6 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 2024-T6 aluminum and the bottom bar is AZ80A-T6 magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
46
Elongation at Break, % 5.1
8.5
Fatigue Strength, MPa 130
140
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 27
18
Shear Strength, MPa 280
170
Tensile Strength: Ultimate (UTS), MPa 480
320
Tensile Strength: Yield (Proof), MPa 370
230

Thermal Properties

Latent Heat of Fusion, J/g 390
350
Maximum Temperature: Mechanical, °C 200
130
Melting Completion (Liquidus), °C 640
600
Melting Onset (Solidus), °C 500
490
Specific Heat Capacity, J/kg-K 880
990
Thermal Conductivity, W/m-K 120
77
Thermal Expansion, µm/m-K 23
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 30
11
Electrical Conductivity: Equal Weight (Specific), % IACS 90
59

Otherwise Unclassified Properties

Base Metal Price, % relative 11
12
Density, g/cm3 3.0
1.7
Embodied Carbon, kg CO2/kg material 8.3
23
Embodied Energy, MJ/kg 150
160
Embodied Water, L/kg 1140
990

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 23
24
Resilience: Unit (Modulus of Resilience), kJ/m3 980
550
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 46
69
Strength to Weight: Axial, points 44
51
Strength to Weight: Bending, points 45
60
Thermal Diffusivity, mm2/s 46
45
Thermal Shock Resistance, points 21
19

Alloy Composition

Aluminum (Al), % 90.7 to 94.7
7.8 to 9.2
Chromium (Cr), % 0 to 0.1
0
Copper (Cu), % 3.8 to 4.9
0 to 0.050
Iron (Fe), % 0 to 0.5
0 to 0.0050
Magnesium (Mg), % 1.2 to 1.8
89 to 91.9
Manganese (Mn), % 0.3 to 0.9
0.12 to 0.5
Nickel (Ni), % 0
0 to 0.0050
Silicon (Si), % 0 to 0.5
0 to 0.1
Titanium (Ti), % 0 to 0.15
0
Zinc (Zn), % 0 to 0.25
0.2 to 0.8
Zirconium (Zr), % 0 to 0.2
0
Residuals, % 0
0 to 0.3