6066-T6 aluminum alloy is a member of the 6xxx series, offering high strength and excellent mechanical properties, especially preferred in structural applications. This magnesium and silicon-based alloy achieves optimized strength through solution heat treatment and artificial aging in the T6 temper. As a result, it provides reliable performance under both static and dynamic loading conditions.

The corrosion resistance of this alloy is quite good, especially in atmospheric environments, and significantly better than 2xxx series alloys. For example, while 2024-T3 offers high strength, it has relatively poor corrosion resistance; in contrast, 6066-T6 provides a more balanced performance. Although it does not match the marine resistance of 5xxx series alloys, it is sufficient for general engineering applications.

In terms of strength, 6066-T6 offers higher strength than 6061-T6 but does not reach the extreme levels of 7075-T6. This makes it ideal for medium-to-high strength applications. Its machinability is also very good, showing stable performance in machining processes. It is comparable to 6082 but may provide better surface finish in certain cases.

The bending and formability are limited due to the T6 temper; however, controlled forming is possible with appropriate processes. Its weldability is better than 2xxx and 7xxx series alloys, although a reduction in mechanical properties may occur after welding. Coating and anodizing performance are excellent, making it suitable for decorative and protective finishes. Additionally, its vibration and fatigue behavior is reliable for structural use.

6066-T6 is widely used in industries such as automotive, aerospace, defense, and machinery manufacturing. It is particularly preferred in load-bearing systems requiring a high strength-to-weight ratio. Compared to alloys like 6061, 6082, and 7075, 6066-T6 offers a well-balanced combination of performance and cost efficiency.

Material Standards

6066 T6 can be produced according to the following standards:
• 6066 T6 Cold Drawn Bars; ASTM B211, UNS A96066, ISO AlMg0.7Si
• 6066 T6 Cold Drawn Tubes; ASTM B211, UNS A96066, ISO AlMg0.7Si
• 6066 T6 Cold Drawn Sheets; ASTM B211, UNS A96066, ISO AlMg0.7Si
• 6066 T6 Cold Drawn Wires; ASTM B211, UNS A96066, ISO AlMg0.7Si
• 6066 T6 Extrusion Bars; AMS QQ-A-200/10, ASTM B221, UNS A96066, ISO AlMg0.7Si
• 6066 T6 Extrusion Tubes; AMS QQ-A-200/10, ASTM B221, UNS A96066, ISO AlMg0.7Si
• 6066 T6 Extrusion Sheets; AMS QQ-A-200/10, ASTM B221, UNS A96066, ISO AlMg0.7Si
• 6066 T6 Extrusion Wires; AMS QQ-A-200/10, ASTM B221, UNS A96066, ISO AlMg0.7Si
 

Characteristics of 6066 T6:

• Strength: Medium to high (below 0°C)
• Machinability: Moderate
• Weldability: Moderate (best with protective gas and filler material)
• Formability: Very good
• Corrosion Resistance: Very high (increases with coating)
• Heat Treatment: Yes

Well-Known Applications of 6066 T6:
Used in interior façade elements and rails,
In radiators and heat exchangers,
As well as in office furniture components and many other applications.

Stock
We produce and supply 6066 T6 in the form of bars/sheets and tubes/profiles.

• Bar / Sheet
• Tube / Profile