Aluminum Square Tube & Aluminum Box Section Supplier

Aluminum square tube is a widely used structural profile for construction, machinery and engineering applications, offering excellent strength-to-weight ratio, corrosion resistance and easy fabrication. In addition to square profiles, rectangular aluminum tubing is also available for applications requiring different structural configurations. Compared with traditional steel tubing, aluminum square tubing is lighter, easier to process and provides better long-term corrosion performance.

Chalco supplies aluminum square tube and aluminum box section in a full range of sizes, wall thicknesses, and alloys including 6061, 6063, 6082, 5052, 2024, and 7075. Our square aluminum tubing is produced through high-precision extrusion processes and supports custom cutting, surface finishing, and fabrication services to meet various industrial and structural requirements.

*Full sizes available (1x1 to 8x8) ● Multiple alloys (6061 / 6063 / 5052 / 7075) ● Custom cutting & fabrication ● Large size up to 1200×1200 mm

Aluminum Square Tube Sizes & Dimensions

Chalco provides aluminum square tube sizes in both metric and inch standards to meet different engineering and fabrication needs. Typical sizes range from small sections such as 1x1 aluminum square tubing to larger profiles like 2x2, 3x3 and 4x4, with multiple wall thickness options available for structural, mechanical and industrial applications.

As a professional aluminum square tube supplier, Chalco offers aluminum square tubing and aluminum box section profiles in a full range of sizes, including 1x1, 2x2, 3x3 and 4x4 aluminum square tubing, as well as 1 inch to 8 inch square tube options. We also supply aluminum rectangular tubing with customizable wall thickness, cut-to-length service and bulk order support for structural and industrial projects.

Available Aluminum Alloys for Square Tube

Aluminum square tubes are available in a wide range of alloys to meet different strength, corrosion resistance, and fabrication requirements. Common aluminum square tubing alloys include 6061, 6063, 5052, 6082, 2024, and 7075, each suitable for different structural and industrial applications.

Chalco supplies aluminum square tubing in 6000 series alloys for structural applications, corrosion-resistant 5000 series alloys, and high-strength 2000 and 7000 series alloys for demanding engineering and aerospace applications.

6061 Aluminum Square Tube

High strength structural alloy for engineering applications

Excellent strength-to-weight ratio

Good weldability and machinability

Ideal for frames, supports and load-bearing structures

6063 Aluminum Square Tube

Architectural alloy with superior surface finish

Smooth surface, ideal for anodizing

Excellent extrusion performance

Widely used in doors, windows and decorative structures

Not sure which alloy fits your project? Chalco provides alloy selection support, sample supply and fast quotation based on your load requirements and application scenarios.

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Extruded Aluminum Square Tube Manufacturing Capabilities

Chalco manufactures aluminum square tubing using advanced extrusion technology, supporting both standard profiles and ultra-large square tubes for structural and industrial applications. From billet extrusion to heat treatment and precision machining, each step is strictly controlled to ensure dimensional accuracy and stable mechanical performance.

• Large extrusion capacity: up to 500MN extrusion press for heavy-duty aluminum profiles; Learn more about our extruded aluminum tube capabilities
• Max size capability: square tube up to 1200 × 1200 mm
• Wall thickness range: thin wall to ultra-thick wall structures
• Precision control: high straightness, tight tolerance and stable concentricity

Chalco specializes in manufacturing large-diameter aluminum square tubes through advanced extrusion and forming technology. This capability enables the production of ultra-large structural profiles that are difficult to achieve with conventional processes, making them ideal for heavy engineering, transportation and energy applications. Widely used in large structural projects, transportation equipment and energy infrastructure, Chalco extrusion capability supports demanding engineering applications worldwide.

Surface Finishes for Aluminum Square Tubing

Chalco provides a variety of surface finishes for aluminum square tubes to meet different requirements in corrosion resistance, appearance and outdoor durability.

Mill finish aluminum square tube: Natural aluminum surface suitable for general industrial and structural applications.

Anodized aluminum square tube: Improved corrosion resistance with a smooth and decorative surface, ideal for architectural and outdoor use.

Powder coated aluminum square tube: Durable colored coating that enhances weather resistance, widely used in construction and equipment frames.

Polished / brushed aluminum square tube: Enhanced surface appearance for decorative applications and visible structural components.

Fabrication & Processing Services for Aluminum Square Tubes

Chalco provides complete fabrication and processing services for aluminum square tubing, supporting customized designs, structural integration and project-based manufacturing requirements.

From extrusion to surface finishing and precision fabrication, Chalco provides complete aluminum square tube solutions tailored to your project requirements.

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Aluminum Square Tube Applications & Industry Uses

Aluminum square tubing is widely used across construction, industrial and engineering applications due to its strength, lightweight properties and excellent corrosion resistance. Typical applications include construction structures, industrial frames, vehicle structures and solar mounting systems.

Construction & Architectural Structures: Aluminum square tubes are widely used in building frames, curtain walls, doors and window systems. 6063 aluminum square tubing is commonly selected for its smooth surface and excellent anodizing performance.

Industrial Equipment & Mechanical Frames: Applied in machine frames, automation systems and equipment supports. 6061 aluminum square tubes are preferred for their higher strength and load-bearing capability.

Transportation & Automotive Structures: Used in vehicle frames, rail systems and lightweight structural components, helping reduce overall weight while maintaining structural strength.

Furniture & Interior Applications: Commonly used in shelving systems, display racks and furniture frames where lightweight materials and clean appearance are required.

Energy & Infrastructure Projects: Applied in solar mounting systems, wind energy structures and outdoor frameworks with high corrosion resistance requirements.

Custom Fabrication & Engineering Projects: Suitable for customized designs, including large structural components, special dimensions and integrated assemblies based on project requirements.

Have a specific application? Chalco supports custom aluminum square tube solutions based on your project design, load requirements and installation conditions.

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Aluminum Square Tube Related Products & Custom Configurations

Beyond standard sizes, Chalco offers a range of customized aluminum square tube solutions including telescopic, perforated and formed profiles to meet complex project requirements.

Telescopic aluminum square tube

Adjustable length design for extendable structures, widely used in furniture, equipment frames and retractable systems.

Perforated aluminum square tube

Hole design reduces weight and improves ventilation, suitable for architectural decoration and lightweight structures.

Slotted aluminum square tube

Slot design allows flexible connection and adjustment, ideal for modular structures and mechanical assemblies.

Thick wall aluminum square tube

High strength and load-bearing capacity, suitable for heavy-duty structures and industrial applications.

Thin wall aluminum square tube

Lightweight and easy to process, commonly used in decorative structures and light-duty applications.

Pre-bent aluminum square tube

Pre-formed for quick installation, suitable for frames and structures requiring specific angles.

Looking for custom aluminum tubing solutions? Chalco provides full customization for aluminum square tubes and box section profiles, including special sizes, wall thickness, surface finishes and precision fabrication based on your project requirements. Explore our custom aluminum tube solutions for more details. From standard products to fully customized designs, Chalco supports your project with reliable supply, fast response and engineering support.

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Aluminum Square Tube FAQs

How do I choose between 6061 and 6063 aluminum square tube?

6061 aluminum square tube provides higher strength and is suitable for structural and load-bearing applications, while 6063 offers better surface finish and is ideal for architectural and decorative use.

Should I choose thin wall or thick wall aluminum square tubing?

Thin wall tubes are lightweight and cost-effective for general structures, while thick wall tubes provide higher strength and are better suited for heavy-duty and load-bearing applications.

What is the difference between seamless and structural aluminum square tube?

Seamless tubes offer uniform strength without weld seams and are used in high-performance applications, while structural (welded) tubes are more economical and suitable for general use.

What are the common applications of aluminum square tubes?

Aluminum square tubing is widely used in construction, industrial equipment, furniture, transportation and energy structures due to its lightweight and corrosion resistance.

Can I get a quote for specific sizes and quantities?

Yes. Chalco supports customized sizes, alloys and processing requirements. You can contact us with your specifications for a fast quotation.

Do you provide surface treatments such as anodizing or powder coating?

Yes. We offer anodized, powder coated and other surface finishes to meet different appearance and corrosion resistance requirements.

Do you provide custom fabrication services?

Chalco offers cutting, bending, welding and machining services to support complete project solutions.

What is the difference between aluminum square tube and rectangular tube?

Square tubes provide uniform strength in all directions and are ideal for structural frames, while rectangular tubes are better suited for directional load applications and space-limited designs.

Order Aluminum Square Tube from Chalco

Chalco provides complete aluminum square tubing solutions, from standard sizes to fully customized profiles, supporting a wide range of structural, architectural and industrial applications.

• Advanced manufacturing capability: Precision extrusion ensures consistent dimensions, smooth surface finish and reliable performance.
• Large size & custom production: Square tubes up to 1200 × 1200 mm with flexible wall thickness and length customization.
• Strict quality control: Comprehensive inspection including dimensional accuracy, mechanical properties and non-destructive testing.
• Fabrication & one-stop solution: Cutting, bending, welding and matching components available for complete project support.
• Global delivery & secure packaging: Protective packaging and reliable logistics ensure safe transportation worldwide.

Tell us your required alloy, size, quantity or project details — our team will provide a fast quotation and technical support.