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6008-T6 Aluminum vs. 6066-T6 Aluminum

Both 6008-T6 aluminum and 6066-T6 aluminum are aluminum alloys. Both are furnished in the T6 temper. They have a very high 97% of their average alloy composition in common. 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 6008-T6 aluminum and the bottom bar is 6066-T6 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
70
Elongation at Break, % 9.1
9.5
Fatigue Strength, MPa 88
110
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
26
Shear Strength, MPa 170
240
Tensile Strength: Ultimate (UTS), MPa 290
390
Tensile Strength: Yield (Proof), MPa 220
350

Thermal Properties

Latent Heat of Fusion, J/g 410
410
Maximum Temperature: Mechanical, °C 180
170
Melting Completion (Liquidus), °C 640
650
Melting Onset (Solidus), °C 620
560
Specific Heat Capacity, J/kg-K 900
890
Thermal Conductivity, W/m-K 190
150
Thermal Expansion, µm/m-K 23
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 49
40
Electrical Conductivity: Equal Weight (Specific), % IACS 160
130

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
9.5
Density, g/cm3 2.7
2.8
Embodied Carbon, kg CO2/kg material 8.5
8.3
Embodied Energy, MJ/kg 160
150
Embodied Water, L/kg 1180
1160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 24
36
Resilience: Unit (Modulus of Resilience), kJ/m3 360
890
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 50
49
Strength to Weight: Axial, points 29
39
Strength to Weight: Bending, points 35
43
Thermal Diffusivity, mm2/s 77
61
Thermal Shock Resistance, points 13
17

Alloy Composition

Aluminum (Al), % 96.5 to 99.1
93 to 97
Chromium (Cr), % 0 to 0.3
0 to 0.4
Copper (Cu), % 0 to 0.3
0.7 to 1.2
Iron (Fe), % 0 to 0.35
0 to 0.5
Magnesium (Mg), % 0.4 to 0.7
0.8 to 1.4
Manganese (Mn), % 0 to 0.3
0.6 to 1.1
Silicon (Si), % 0.5 to 0.9
0.9 to 1.8
Titanium (Ti), % 0 to 0.1
0 to 0.2
Vanadium (V), % 0.050 to 0.2
0
Zinc (Zn), % 0 to 0.2
0 to 0.25
Residuals, % 0
0 to 0.15