Steel Square Tube - Durable Construction Metal for All Uses

Steel square tube is used for frames, gates, fences, posts, trailers and general fabrication. Steelmart stocks SHS and RHS in painted, galvanised and stainless steel options.
The range includes Painted SHS, Galvanised SHS, Painted RHS, Galvanised RHS, Stainless Steel SHS and Stainless Steel RHS. We also stock Aluminium RHS and Galvanised Cattle Rail.
Square tube has four equal sides. RHS has two wider sides, which can be useful when a rectangular section is needed. Both are available in different sizes and wall thicknesses for different types of steelwork.
You can also shop our retaining wall and edging range, merchant bar and stainless steel tube.
Steel square tube and RHS are suitable for both structural and general fabrication projects where strength, durability and a clean finish are required. They are commonly used for frames, supports, gates, fencing, trailers and custom steelwork. Steelmart offers a range of sizes and finishes to suit different project requirements. Painted, galvanised and stainless steel options are available for indoor and outdoor applications.

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Steel Tubing – Reliable and Ready for Every Project

Steel tubing is used across building, fabrication, fencing and general metalwork. Our range covers painted, galvanised, metal square tubes and stainless steel sections.
Painted RHS and SHS are suitable for general fabrication. Galvanised sections are commonly used outside. Stainless Steel SHS and RHS are available for jobs where standard steel is not suitable.
Our range includes
Painted SHS
Galvanised SHS
Painted RHS
Galvanised RHS
Stainless Steel SHS
Stainless Steel RHS
Aluminium RHS
Galvanised Cattle Rail
Steelmart supplies steel tube for trade, fabrication and DIY work. Check the product sizes and specifications before ordering to make sure you have the section needed for your job.
Steel tubing is available in different shapes, finishes and materials to suit structural, fabrication, fencing and general metalwork applications. For corrosion-resistant projects, explore our stainless steel range, while merchant bar is useful for brackets, supports and general fabrication work. If your project needs round sections, our steel pipe and round tube range includes black, galvanised and stainless options. You can also browse retaining wall and edging products for landscaping and structural outdoor projects. Always choose the tube size, finish and material based on the load, environment and intended application.

FAQ's

Where can I buy square tubing?

You can buy square tubing from Steelmart online. Our range includes Painted SHS, Galvanised SHS and Stainless Steel SHS in a range of sizes.

What is steel square tube used for?

Steel square tube is used for gates, fences, frames, posts, trailers, machinery and general fabrication. It is also commonly used for DIY steel projects.

Is a square tube stronger than a rectangular tube for steel?

Not always. Strength depends on the size, wall thickness, steel grade and how the tube is being used. The square tube has equal sides, while rectangular tube is wider in one direction.

Is square steel tubing suitable for structural applications?

Square steel tubing can be used for structural work. The required size, wall thickness and steel grade depend on the load and the design. For structural work, make sure the selected section meets the requirements of the job.

Can steel square tube be welded and cut to size?

Yes. Steel square tube can be cut and welded for fabrication. The cutting and welding method depends on the type and thickness of the steel.