MakeItFrom.com
Menu (ESC)

8079 Aluminum vs. AZ63A Magnesium

8079 aluminum belongs to the aluminum alloys classification, while AZ63A magnesium belongs to the magnesium alloys. There are 29 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 8079 aluminum and the bottom bar is AZ63A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
46
Elongation at Break, % 2.2
2.2 to 8.0
Fatigue Strength, MPa 56
76 to 83
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
18
Tensile Strength: Ultimate (UTS), MPa 150
190 to 270
Tensile Strength: Yield (Proof), MPa 120
81 to 120

Thermal Properties

Latent Heat of Fusion, J/g 400
350
Maximum Temperature: Mechanical, °C 170
120
Melting Completion (Liquidus), °C 650
610
Melting Onset (Solidus), °C 640
450
Specific Heat Capacity, J/kg-K 900
980
Thermal Conductivity, W/m-K 230
52 to 65
Thermal Expansion, µm/m-K 23
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 58
12 to 15
Electrical Conductivity: Equal Weight (Specific), % IACS 190
59 to 74

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
12
Density, g/cm3 2.8
1.8
Embodied Carbon, kg CO2/kg material 8.2
22
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1180
970

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 3.1
3.7 to 16
Resilience: Unit (Modulus of Resilience), kJ/m3 110
71 to 160
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 50
66
Strength to Weight: Axial, points 15
29 to 41
Strength to Weight: Bending, points 22
40 to 51
Thermal Diffusivity, mm2/s 92
29 to 37
Thermal Shock Resistance, points 6.4
11 to 16

Alloy Composition

Aluminum (Al), % 98.1 to 99.3
5.3 to 6.7
Copper (Cu), % 0 to 0.050
0 to 0.25
Iron (Fe), % 0.7 to 1.3
0
Magnesium (Mg), % 0
88.6 to 92.1
Manganese (Mn), % 0
0.15 to 0.35
Nickel (Ni), % 0
0 to 0.010
Silicon (Si), % 0.050 to 0.3
0 to 0.3
Zinc (Zn), % 0 to 0.1
2.5 to 3.5
Residuals, % 0
0 to 0.3