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333.0-T6 Aluminum vs. AZ80A-T6 Magnesium

333.0-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 333.0-T6 aluminum and the bottom bar is AZ80A-T6 magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 73
46
Elongation at Break, % 1.5
8.5
Fatigue Strength, MPa 100
140
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 28
18
Shear Strength, MPa 230
170
Tensile Strength: Ultimate (UTS), MPa 280
320
Tensile Strength: Yield (Proof), MPa 210
230

Thermal Properties

Latent Heat of Fusion, J/g 520
350
Maximum Temperature: Mechanical, °C 170
130
Melting Completion (Liquidus), °C 590
600
Melting Onset (Solidus), °C 530
490
Specific Heat Capacity, J/kg-K 880
990
Thermal Conductivity, W/m-K 120
77
Thermal Expansion, µm/m-K 21
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 29
11
Electrical Conductivity: Equal Weight (Specific), % IACS 92
59

Otherwise Unclassified Properties

Base Metal Price, % relative 10
12
Density, g/cm3 2.8
1.7
Embodied Carbon, kg CO2/kg material 7.6
23
Embodied Energy, MJ/kg 140
160
Embodied Water, L/kg 1040
990

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 3.8
24
Resilience: Unit (Modulus of Resilience), kJ/m3 290
550
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 49
69
Strength to Weight: Axial, points 27
51
Strength to Weight: Bending, points 34
60
Thermal Diffusivity, mm2/s 47
45
Thermal Shock Resistance, points 13
19

Alloy Composition

Aluminum (Al), % 81.8 to 89
7.8 to 9.2
Copper (Cu), % 3.0 to 4.0
0 to 0.050
Iron (Fe), % 0 to 1.0
0 to 0.0050
Magnesium (Mg), % 0.050 to 0.5
89 to 91.9
Manganese (Mn), % 0 to 0.5
0.12 to 0.5
Nickel (Ni), % 0 to 0.5
0 to 0.0050
Silicon (Si), % 8.0 to 10
0 to 0.1
Titanium (Ti), % 0 to 0.25
0
Zinc (Zn), % 0 to 1.0
0.2 to 0.8
Residuals, % 0
0 to 0.3