OnlineMetals Aluminum 6063-T52 Square Tubing 1in x 1in - Durable

In this review the OnlineMetals Aluminum 6063-T52 Square Tubing is assessed for DIY builders, fabricators and light structural projects; the single biggest reason to consider it is its balance of corrosion resistance and weldability offered by 6063 alloy heat treated to T52. The tubing arrives cut to a 72in length and measures 1in x 1in with a 1/8in wall, making it practical for frames, fixtures and light load applications where precise dimensions and ease of fabrication matter.

Key Features

• 6063 Aluminum: Provides excellent corrosion resistance suitable for indoor and sheltered outdoor use where long-term finish and appearance matter.
• ASTM B221 Compliance: Meets industry standard specifications so buyers can expect consistent material quality and predictable mechanical properties.
• T52 Heat Treatment: Heat treated for increased strength compared with softer tempers, improving its suitability for structural and welded assemblies.
• Precise Dimensions: The 1in x 1in profile with a 1/8in wall comes cut to a full 72in length, which reviewers noted fits projects without extensive trimming.
• Good Weldability: The alloy and temper allow reliable TIG and MIG welding for custom frames and fixtures.

Who It's For

The tubing is best for hobbyists, small fabricators and makers building light structures such as frames, fixtures, light string supports, or canoe racks where corrosion resistance and neat appearance are important. Its consistent dimensions and compliance with ASTM B221 make it useful for projects that require predictable material behavior.

It is not aimed at heavy structural uses or applications requiring load-bearing performance beyond light to moderate loads; customers needing thicker walls or higher-strength alloys should evaluate other grades. Those expecting heavy industrial structural tubing may want a different material or larger cross section.

Pros & Cons

Pros

• Good corrosion resistance and finish thanks to 6063 alloy, suitable for visible architectural uses.
• Heat treated to T52, offering improved strength over softer tempers for many fabrication tasks.
• Customers report accurate dimensions and useful 72in lengths that save on cutting for common projects.
• Welds and fabricates cleanly, making it a practical choice for DIY welding and light fabrication.

Cons

• Mixed feedback on fit and strength indicates it may be too light for some heavier structural demands.

Specifications

Alloy	6063-T52
Shape	Square tubing
Outside dimensions	1in x 1in
Wall thickness	1/8in
Length	72in
Specification	Meets ASTM B221

Our Verdict

The OnlineMetals Aluminum 6063-T52 square tubing is a solid, value-oriented choice for makers and light fabricators who need a corrosion-resistant, weldable aluminum with consistent dimensions. It offers good functionality for frames, fixtures and light structural tasks, though those needing higher load capacity should select a heavier section or different alloy.

Frequently Asked Questions

Is this tubing weldable?
Yes. The 6063 alloy in T52 temper welds well with common TIG and MIG processes, making it suitable for custom fabricated assemblies.

What length does it ship as?
The product ships as a 72in length, which many customers found convenient for common projects.

Is it suitable for outdoor use?
Yes. 6063 offers good corrosion resistance for sheltered outdoor and architectural uses, though highly corrosive environments may require additional protection.