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6063A Aluminum vs. 8079 Aluminum

Both 6063A aluminum and 8079 aluminum are aluminum alloys. They have a very high 99% of their average alloy composition in common. There are 29 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 6063A aluminum and the bottom bar is 8079 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
69
Elongation at Break, % 6.7 to 18
2.2
Fatigue Strength, MPa 53 to 80
56
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
26
Tensile Strength: Ultimate (UTS), MPa 130 to 260
150
Tensile Strength: Yield (Proof), MPa 55 to 200
120

Thermal Properties

Latent Heat of Fusion, J/g 400
400
Maximum Temperature: Mechanical, °C 160
170
Melting Completion (Liquidus), °C 640
650
Melting Onset (Solidus), °C 620
640
Specific Heat Capacity, J/kg-K 900
900
Thermal Conductivity, W/m-K 200
230
Thermal Expansion, µm/m-K 23
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 49 to 54
58
Electrical Conductivity: Equal Weight (Specific), % IACS 160 to 180
190

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
9.0
Density, g/cm3 2.7
2.8
Embodied Carbon, kg CO2/kg material 8.3
8.2
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1190
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 13 to 21
3.1
Resilience: Unit (Modulus of Resilience), kJ/m3 22 to 280
110
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 50
50
Strength to Weight: Axial, points 13 to 26
15
Strength to Weight: Bending, points 21 to 33
22
Thermal Diffusivity, mm2/s 83
92
Thermal Shock Resistance, points 5.6 to 11
6.4

Alloy Composition

Aluminum (Al), % 97.5 to 99
98.1 to 99.3
Chromium (Cr), % 0 to 0.050
0
Copper (Cu), % 0 to 0.1
0 to 0.050
Iron (Fe), % 0.15 to 0.35
0.7 to 1.3
Magnesium (Mg), % 0.6 to 0.9
0
Manganese (Mn), % 0 to 0.15
0
Silicon (Si), % 0.3 to 0.6
0.050 to 0.3
Titanium (Ti), % 0 to 0.1
0
Zinc (Zn), % 0 to 0.15
0 to 0.1
Residuals, % 0
0 to 0.15