6061 Rectangular Aluminum Flat Tube
6061 Rectangular Aluminum Flat Tube is a high-strength, corrosion-resistant aluminum alloy widely used in various fields such as aerospace, shipbuilding, automotive, construction, machinery, and structural applications.
The main features of 6061 Rectangular Aluminum Flat Tube include excellent mechanical properties, weldability, corrosion resistance, and machinability.
6061 Rectangular Aluminum Flat Tube Material Properties
- Alloy Composition: 6061 aluminum alloy is an aluminum alloy with silicon and magnesium as the main alloying elements, offering good overall performance. Its main components include: Aluminum (Al), Silicon (Si), Magnesium (Mg), Copper (Cu), and a small amount of Manganese (Mn), among others.
- Strength: Compared to 6060, 6061 has higher strength, offering better tensile strength and yield strength. The strength is especially high after T6 hardening treatment. 6061 aluminum alloy provides high strength and a good strength-to-weight ratio, making it an ideal choice for many high-performance applications. After proper heat treatment (e.g., T6 condition), the strength of 6061 aluminum alloy can be significantly enhanced.
- Corrosion Resistance: 6061 aluminum has excellent corrosion resistance, particularly in humid or marine environments. Its good oxidation resistance makes it suitable for outdoor applications.
- Weldability: 6061 aluminum alloy has good weldability and is suitable for various welding techniques (such as TIG and MIG welding), which is crucial for applications requiring structural connections.
- Machinability: 6061 aluminum offers good machinability and can be processed using common techniques such as milling, cutting, drilling, and stretching, making it suitable for complex shapes.
- Workability: Good weldability, machinability, and surface treatment properties. 6061 alloy is widely used in high-strength environments.
6061 Rectangular Aluminum Flat Tube Specification
The dimensions of 6061 rectangular flat tubes can be customized according to specific application requirements, and full-size stock is also commonly available in the market.
| Specification | Details |
| Finish | Extruded Mill Finish, Not Polished |
| Available Lengths | 2ft, 4ft, 6ft, 8ft, 10ft, 12ft, 21ft, 24ft, Custom Cut |
| Standard Length Tolerance | +/- 1/4" |
| Custom Cut Tolerance | +/- 1/16" |
- Outer Diameter: Can be customized according to requirements
- Wall Thickness: Choose an appropriate wall thickness based on the required strength and load-bearing capacity
- Length: Standard lengths can be provided or cut to order.
6061 Rectangular Aluminum Flat Tube Applications
- Aerospace: 6061 rectangular aluminum flat tubes are used in aerospace for aircraft structural components such as wing beams, fuselage frames, skins, brackets, and more. Its high strength and corrosion resistance make it highly valuable in aircraft design.
- Shipbuilding: Used in ship frames, deck supports, railings, and external structural components. The corrosion resistance of 6061 aluminum alloy is particularly suitable for marine environments.
- Automotive: In the automotive industry, 6061 aluminum rectangular tubes are commonly used in car frames, chassis, suspension systems, and other structural parts. Its high strength-to-weight ratio helps improve vehicle performance and fuel efficiency.
- Building Structures: 6061 rectangular aluminum tubes are used in construction projects for supports, door and window frames, and other load-bearing structures. Its good strength and corrosion resistance ensure the long-term stability of buildings.
- Machinery: Widely used in machinery parts and equipment such as support structures, frames, robotic arms, and more. The machinability and weldability of 6061 aluminum alloy make it suitable for various manufacturing processes.
- Pipe Fittings: 6061 rectangular aluminum tubes are also commonly used in industrial piping systems for liquid and gas transport, particularly in environments that require high corrosion resistance and strength.
Chemical composition of 6061 aluminum alloy
| 6061 Alloy % | |
| Si | 0.40-0.80 |
| Fe | 0.70 |
| Cu | 0.150.40 |
| Mn | 0.15 |
| Mg | 0.80-1.20 |
| Cr | 0.04-0.35 |
| Ni | - |
| Zn | 0.25 |
| Ti | 0.15 |
| Al | Remainder |
6061 aluminum tube mechanical properties
| Density | 2.7 g/cm³ |
| Ultimate tensile strength | 310 MPa |
| Yield tensile strength | 276 MPa |
| Fatigue strength | 96.5 MPa |
| Shear strength | 207 MPa |
| Melting point | 582 – 652℃ |
6061 Rectangular Aluminum Flat Tube Temper
6061 aluminum alloy can be strengthened through heat treatment (such as T4, T6, etc.). Different heat treatment conditions affect the hardness, strength, and corrosion resistance of the alloy. For example, in the T6 condition, the tensile strength of 6061 aluminum alloy can exceed 310 MPa, making it suitable for applications that require higher load-bearing capacity.
6061 Rectangular Aluminum Flat Tube Processing Forms and Customization
6061 rectangular aluminum flat tubes are available in a variety of standard sizes and custom specifications to meet different project requirements. They can be custom-cut according to specific engineering needs to ensure precise dimensions and suitability. Common surface treatments include anodizing, painting, etc., to enhance both appearance and corrosion resistance.
6061 Rectangular Aluminum Flat Tube Advantages
6061 Rectangular Aluminum Flat Tube offers numerous significant advantages and is widely used in industries such as aerospace, automotive, and construction. With its high strength, corrosion resistance, excellent weldability, and machinability, it has become an ideal structural material.
- High Strength: 6061 Rectangular Aluminum Flat Tube provides excellent structural strength, capable of withstanding high pressure and weight, making it particularly suitable for structural components that require high strength. Its tensile strength can reach over 250 MPa, and after heat treatment (e.g., T6 treatment), the strength is further enhanced, making it suitable for applications in aerospace, automotive, construction, and other sectors requiring load-bearing capabilities.
- Excellent Corrosion Resistance: 6061 aluminum alloy has outstanding corrosion resistance, especially for long-term use in marine, humid, and chemically corrosive environments. Its corrosion resistance makes it ideal for applications in shipbuilding, offshore platforms, and other areas exposed to harsh environments, effectively resisting the effects of salt spray, acid rain, and other corrosive factors.
- Good Weldability and Machinability: 6061 Rectangular Aluminum Flat Tube has excellent welding properties and can be joined using a variety of welding techniques, making it suitable for manufacturing complex structures. Its good machinability allows for high-precision processing through cutting, extrusion, milling, and other techniques, meeting the manufacturing demands of various industries.
- Excellent Overall Performance: 6061 Rectangular Aluminum Flat Tube offers balanced overall performance, making it suitable for demanding industrial, construction, aerospace, and other fields. It not only provides strong mechanical properties and outstanding corrosion resistance but also meets the high requirements for machinability and weldability, making it the material of choice for many high-performance projects.
6061 Rectangular Aluminum Flat Tube, with its high strength, excellent corrosion resistance, good weldability, and machinability, is an ideal material for high-strength and complex structural applications. It is widely used in aerospace, construction, automotive, shipbuilding, and other industries.
