6061 Extruded Aluminum Square Tube

6061 extruded aluminum square tube is a high-performance aluminum alloy material, primarily composed of magnesium and silicon alloys, and is widely used in various industrial fields. It is processed using the extrusion method, offering excellent mechanical properties and corrosion resistance.

6061 Extruded Aluminum Square Tube is widely used in aerospace, transportation, construction, industrial equipment, and other fields.

6061 Extruded Aluminum Square Tube Material Properties

6061 aluminum alloy is a magnesium-silicon-based alloy, mainly composed of magnesium (Mg) and silicon (Si), with small amounts of copper (Cu), manganese (Mn), chromium (Cr), and zinc (Zn) commonly added.

• Good mechanical properties: While the strength is slightly lower than T6 state alloys, it still offers strong load-bearing capacity and good durability, suitable for general industrial applications.
• Corrosion resistance: 6061 alloy has excellent corrosion resistance, especially in marine and humid environments.
• Good weldability and brazability: It can be easily welded or brazed, making it suitable for various joining methods.
• Good machinability: It is easy to cut, drill, and machine, making it ideal for precision manufacturing.
• Anodizing properties: After anodizing, the surface of 6061 aluminum alloy forms a strong oxide layer, enhancing its corrosion resistance and providing an aesthetically pleasing appearance.

6061 Extruded Aluminum Square Tube Specifications

• Outer diameter range: The outer diameter (OD) of 6061 aluminum square tube can range from 1 inch (about 25.4mm) to 16 inches (about 406.4mm).
• Wall thickness: Ranges from 0.065 inches (about 1.65mm) to 2.00 inches (about 50.8mm), suitable for various strength and structural requirements.
• Shapes: In addition to standard square tubes, 6061 aluminum alloy is also available in round, rectangular, and other cross-sectional shapes.
• States: Common states include T6 and T6511. T6 offers the highest strength, suitable for structural applications requiring high strength, while T6511 provides better mechanical properties and machinability.

6061 Extruded Aluminum Square Tube Standards and Certifications

• ASTM B221: Standard for aluminum alloy extrusions.
• ASTM B241: Standard for aluminum alloy tubes.
• ASTM B429: Standard for aluminum alloy seamless tubes.
• AMS-QQ-A-200/8: Complies with U.S. military standards, ensuring high performance and reliability of the material.

6061 Extruded Aluminum Square Tube Surface Treatments

• Anodizing: After anodizing, the surface of 6061 aluminum alloy significantly improves corrosion resistance and creates an attractive surface finish.
• Coating and coloring: Through anodizing or other surface treatments, 6061 aluminum alloy can achieve different colors and appearances to suit various design needs.

6061 Extruded Aluminum Square Tube Applications

6061 aluminum alloy is widely applied in aerospace, transportation, construction, industrial equipment, and other structural components, primarily due to its excellent mechanical properties, corrosion resistance, and good machinability.

1. Aerospace Applications

In the aerospace industry, the high strength and good weldability of 6061 aluminum alloy make it an ideal material for manufacturing aircraft frames, supports, and other structural components.

• Aircraft frames: 6061 aluminum square tube is used in aircraft frames to provide strength and support, especially in non-load-bearing areas. Its lightweight helps reduce fuel consumption while maintaining necessary structural strength.
• Supports and structural components: Used to make internal and external supports for aircraft, due to its excellent corrosion resistance, it is suitable for use in high humidity, high-temperature, and harsh environmental conditions.
• Fasteners and support systems: 6061 aluminum square tubes are widely used in aerospace equipment for support and connection components, especially in areas that need to bear significant loads.

2. Transportation Applications

In the transportation industry, 6061 aluminum square tube is widely used in manufacturing truck, ship, and railway vehicle frames, supports, and pipelines.

• Truck frames and supports: Due to its high strength and lightweight, 6061 aluminum square tube is commonly used in truck chassis, cargo rack supports, etc., helping to reduce vehicle weight while increasing load-bearing capacity.
• Ship frames: The corrosion resistance and mechanical properties of 6061 aluminum square tube make it an ideal choice for ship structural components, hull supports, and railings, especially in seawater environments.
• Railway vehicle structures: 6061 aluminum alloy is used in the body frames, supports, and other components of railway vehicles, improving the vehicles' lightweight and corrosion resistance.

3. Construction Applications

In the construction industry, the high strength and aesthetic qualities of 6061 aluminum alloy make it an important material for building structures, supporting frames, window and door frames, etc.

• Building structures: Used in the construction of frames, columns, beams, and facades. Its corrosion resistance makes 6061 aluminum alloy highly suitable for exterior applications and areas with harsh environments, such as coastal areas or industrial zones.
• Supporting frames: In modern buildings, 6061 aluminum square tube is used in supporting frames, especially in large shopping malls, office buildings, and industrial buildings, providing robust structural support.
• Door and window frames: Due to its precision machining capability, 6061 aluminum square tube is used in the manufacture of door and window frames, providing both strength and an elegant appearance.

4. Industrial Equipment

• Machinery equipment frames: 6061 aluminum square tube is commonly used in the frames and supports of various machinery equipment, due to its high rigidity and resistance to bending, capable of supporting complex mechanical systems.
• Transmission and conveying pipelines: In factories and industrial production, 6061 aluminum square tube is used as piping in hydraulic and pneumatic systems, offering low friction and corrosion resistance to ensure the efficient operation of fluid delivery systems.

5. Structural Components

• Frame supports: Used as frame supports for industrial equipment, machines, or buildings, providing structural support and load-bearing capacity.
• Frames and support columns: 6061 aluminum square tube serves as support columns and frames in many devices, instruments, and large machinery, maintaining stability under pressure and vibration.
• Door and window structural components: In doors, windows, balconies, fences, and other building projects, 6061 aluminum square tube is ideal due to its strength and durability.

6061 aluminum square tube, with its excellent mechanical properties, corrosion resistance, weldability, and machinability, has become a common material in aerospace, transportation, construction, and industrial equipment fields. Its applications are not limited to frames and supporting parts, but also include complex structural components and piping systems, making it suitable for a wide range of high-strength and long-lifetime applications.

6061 Extruded Aluminum Square Tube Machining Properties

• Weldability: The good weldability of 6061 aluminum alloy makes it an ideal choice for welding and brazing applications.
• Machinability: This alloy performs well under conventional machining methods, and is easy to turn, mill, drill, tap, and more.

6061 Extruded Aluminum Square Tube Advantages

• Cost-effectiveness: 6061 aluminum alloy provides excellent strength and corrosion resistance at a relatively low price, making it widely used in various fields.
• Strong environmental adaptability: Suitable for a wide range of environments, especially in industrial and construction applications in harsh conditions.
• Long lifespan: Even under long-term use and exposure to high temperatures and humid environments, 6061 aluminum square tube maintains good performance.

6061 Extruded Aluminum Square Tube is a high-performance, versatile aluminum alloy product that offers outstanding mechanical properties, corrosion resistance, and excellent machining capabilities. Its broad range of applications across various industries demonstrates its reliable performance in demanding conditions.

6061 AluminumTypical Chemical Composition

6061 Aluminum Typical Mechanical Properties

Strength: 6061 aluminum alloy has good strength and toughness, making it suitable for structural components that bear moderate loads.

Hardness: It typically exhibits higher hardness in the T6 and T6511 tempers.

Ductility: Even in the T6 temper, it has good ductility, making it suitable for a variety of manufacturing processes.

6061 Extruded Aluminum Square Tube Stock List