General information:
Alloy type: 6066
Main alloying elements: Aluminium (Al), magnesium (Mg), silicon (Si)
International standard: EN AW-6066
Mechanical properties:
Tensile strength: 310 MPa
Yield strength: 270 MPa
Elongation at break: 15%
Hardness (Brinell): 90 HB
Modulus of elasticity: 70 GPa
Physical properties:
Density: 2.68 g/cm³
Melting point: approx. 600°C
Thermal conductivity: 180 W/(m·K)
Electrical conductivity: 40% IACS (International Annealed Copper Standard)
Chemical composition, in weight percent:
Aluminium (Al): 98.4%
Magnesium (Mg): 0.8%
Iron (Fe): 0.4%
Copper (Cu): 0.4%
Manganese (Mn): 0.4%
Silicon (Si): 0.8%
Chromium (Cr): —
Zinc (Zn): 0.25%
Titanium (Ti): —
Heat treatment:
Alloy 6066 can be heat treated in order to increase its strength. The most common heat treatment conditions are:
O condition, soft: No heat treatment; the material is in the as-supplied condition.
T4 condition: Solution annealing and natural ageing to achieve a balanced combination of strength and toughness.
T6 condition: Solution annealing and artificial ageing to achieve higher strength values.
Applications:
Alloy 6066 is used in various applications requiring high strength and good corrosion resistance, such as:
Vehicle construction: automotive frames, chassis components
Aerospace: aircraft structural parts, aerospace components
Sports equipment: bicycle frames, golf clubs
Industrial applications: machine parts, housings, frame structures
Please note that the values stated are guideline values and may vary slightly depending on the manufacturing process and specific production batch. It is recommended to always check the exact specifications provided by the manufacturer.
