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6066-T6511 Aluminum vs. 8090-T6511 Aluminum

Both 6066-T6511 aluminum and 8090-T6511 aluminum are aluminum alloys. Both are furnished in the T6511 temper. They have a very high 98% 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 6066-T6511 aluminum and the bottom bar is 8090-T6511 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
67
Elongation at Break, % 8.0
4.5
Fatigue Strength, MPa 130
140
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
25
Tensile Strength: Ultimate (UTS), MPa 390
490
Tensile Strength: Yield (Proof), MPa 350
420

Thermal Properties

Latent Heat of Fusion, J/g 410
400
Maximum Temperature: Mechanical, °C 170
190
Melting Completion (Liquidus), °C 650
660
Melting Onset (Solidus), °C 560
600
Specific Heat Capacity, J/kg-K 890
960
Thermal Conductivity, W/m-K 150
160
Thermal Expansion, µm/m-K 23
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 40
20
Electrical Conductivity: Equal Weight (Specific), % IACS 130
66

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
18
Density, g/cm3 2.8
2.7
Embodied Carbon, kg CO2/kg material 8.3
8.6
Embodied Energy, MJ/kg 150
170
Embodied Water, L/kg 1160
1160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 30
21
Resilience: Unit (Modulus of Resilience), kJ/m3 860
1330
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 49
50
Strength to Weight: Axial, points 39
49
Strength to Weight: Bending, points 43
50
Thermal Diffusivity, mm2/s 61
60
Thermal Shock Resistance, points 17
22

Alloy Composition

Aluminum (Al), % 93 to 97
93 to 98.4
Chromium (Cr), % 0 to 0.4
0 to 0.1
Copper (Cu), % 0.7 to 1.2
1.0 to 1.6
Iron (Fe), % 0 to 0.5
0 to 0.3
Lithium (Li), % 0
2.2 to 2.7
Magnesium (Mg), % 0.8 to 1.4
0.6 to 1.3
Manganese (Mn), % 0.6 to 1.1
0 to 0.1
Silicon (Si), % 0.9 to 1.8
0 to 0.2
Titanium (Ti), % 0 to 0.2
0 to 0.1
Zinc (Zn), % 0 to 0.25
0 to 0.25
Zirconium (Zr), % 0
0.040 to 0.16
Residuals, % 0
0 to 0.15