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2219-T6 Aluminum vs. AZ80A-T6 Magnesium

2219-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 (2, in this case) are not shown.

For each property being compared, the top bar is 2219-T6 aluminum and the bottom bar is AZ80A-T6 magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 72
46
Elongation at Break, % 5.4
8.5
Fatigue Strength, MPa 110
140
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 27
18
Shear Strength, MPa 250
170
Tensile Strength: Ultimate (UTS), MPa 420
320
Tensile Strength: Yield (Proof), MPa 280
230

Thermal Properties

Latent Heat of Fusion, J/g 390
350
Maximum Temperature: Mechanical, °C 230
130
Melting Completion (Liquidus), °C 640
600
Melting Onset (Solidus), °C 540
490
Specific Heat Capacity, J/kg-K 870
990
Thermal Conductivity, W/m-K 120
77
Thermal Expansion, µm/m-K 22
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 30
11
Electrical Conductivity: Equal Weight (Specific), % IACS 85
59

Otherwise Unclassified Properties

Base Metal Price, % relative 11
12
Density, g/cm3 3.1
1.7
Embodied Carbon, kg CO2/kg material 8.2
23
Embodied Energy, MJ/kg 150
160
Embodied Water, L/kg 1130
990

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 20
24
Resilience: Unit (Modulus of Resilience), kJ/m3 550
550
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 44
69
Strength to Weight: Axial, points 38
51
Strength to Weight: Bending, points 40
60
Thermal Diffusivity, mm2/s 45
45
Thermal Shock Resistance, points 19
19

Alloy Composition

Aluminum (Al), % 91.5 to 93.8
7.8 to 9.2
Copper (Cu), % 5.8 to 6.8
0 to 0.050
Iron (Fe), % 0 to 0.3
0 to 0.0050
Magnesium (Mg), % 0 to 0.020
89 to 91.9
Manganese (Mn), % 0.2 to 0.4
0.12 to 0.5
Nickel (Ni), % 0
0 to 0.0050
Silicon (Si), % 0 to 0.2
0 to 0.1
Titanium (Ti), % 0.020 to 0.1
0
Vanadium (V), % 0.050 to 0.15
0
Zinc (Zn), % 0 to 0.1
0.2 to 0.8
Zirconium (Zr), % 0.1 to 0.25
0
Residuals, % 0
0 to 0.3