



6066
EN AW / AlMg0.7Si / 6066 / T651
化学性质 | % 值 |
Silicon (Si) | 0,90 - 1,80 |
Chromium (Cr) | 0,00 - 0,40 |
Manganese (Mn) | 0,60 - 1,10 |
Magnesium (Mg) | 0,80 - 1,40 |
Copper (Cu) | 0,70 - 1,20 |
Titanium (Ti) | 0,00 - 0,20 |
Iron (Fe) | 0,00 - 0,50 |
Zinc (Zn) | 0,00 - 0,25 |
Aluminium (Al) | Balance |
物理特性 | 值 |
Density | 2,72 g/cm³ |
Melting Point | 560 °C |
Thermal Expansion | 21.2 µm/m°C |
Modulus of Elasticity | 71 GPa |
Thermal Conductivity | 150 W/m.K |
Electrical Resistivity | 40 % IACS |
机械性能 | 值 |
Proof Strength | 360 MPa |
Yield Strength | 400 MPa |
Shear Strength | 234 MPa |
Elongation A50 mm | 12% |
Hardness | 120 HB |
The 6066 T651 aluminum alloy is known for its high mechanical strength, excellent machinability, and outstanding corrosion resistance. The T651 temper represents a heat-treated form of the alloy, which gives it increased hardness and durability. These properties make 6066 T651 ideal for use in demanding applications such as automotive, aerospace, construction, and structural applications. Additionally, 6066 T651 aluminum is suitable for anodizing, which enhances its surface appearance while increasing its corrosion resistance, making it suitable for long-term outdoor use.
In terms of weldability, 6066 T651 aluminum alloy can be successfully welded. However, its high strength and durability can make the welding process more complex. With proper heat treatment and welding techniques, strong and reliable welds can be achieved. Regarding bending, 6066 T651 aluminum is more difficult to bend due to its high strength. However, it can still be shaped with appropriate machinery and techniques, making it suitable for structural applications.
The corrosion resistance of 6066 T651 is excellent, especially against atmospheric conditions, and it provides good resistance to harsh environments like seawater. This makes it ideal for use in maritime and outdoor structural applications. Additionally, 6066 T651 aluminum alloy can be used in high-vibration environments, which makes it advantageous in industries such as automotive, aerospace, and defense. Its high durability and long-lasting performance enhance its reliability in these dynamic applications.
The advantages of 6066 T651 aluminum alloy include high corrosion resistance, high mechanical strength, anodizing compatibility, weldability, and suitability for high-vibration environments. However, its high hardness can present challenges in bending and welding processes. Additionally, this alloy may not be as easy to machine as more flexible alloys. Despite these challenges, 6066 T651 is an excellent choice for industrial applications requiring high performance and durability.
As Extruded Round/Flat Bar and Tube; 6066 T651, AMS QQ-A-200/10, ASTM B221, UNS A96066
As Cold Drawn Round/Flat Bar and Tube: 6066 T651, AMS QQ-A-200/10, ASTM B211, UNS A96066
Choosing Factors for 6066 T651
- Strength: Great
- Machining: Fair
- Weldability: Average
- Formability: Very good
- Corrosion Resistance: Excellent
- Heat Treating: Yes
Some Well-Known Applications for 6066 T651
In irrigation applications and pipes,
In interior facade elements in architectural applications,
It has various areas of use, including in pneumatic installations.
- Rod / Round Bar / Flat Bar
- Tube/Profile