S235 Mild Steel Box Section – 3m Lengths

Our S235 mild steel box section is supplied in 3m lengths for fabrication, welding, frames, shelving, supports, gates, workshop projects and general construction use. These square and rectangular hollow sections offer a strong, versatile material for trade, DIY and fabrication projects.

Mild steel box section is commonly used where a rigid hollow steel profile is needed without the weight of solid bar. It can usually be cut, drilled, welded and fabricated using suitable tools and preparation.

S235 Mild Steel Box Section Overview

This box section is suitable for general fabrication, support frames, brackets, shelving, workshop builds, gates and light structural projects where the correct size and wall thickness have been selected.

The hollow section profile gives good strength and rigidity while remaining easier to handle and fabricate than solid steel.

Available Lengths and Sizes

This product is supplied in 3m lengths.

Available variants may include square box section and rectangular hollow section in different sizes and wall thicknesses. Please check the selected variant carefully before ordering.

Material Grade

This product is supplied in S235 mild steel, a commonly used grade for general fabrication and construction work.

If your project requires a specific grade, tolerance or certification, please confirm before ordering.

Common Uses

Mild steel box section is commonly used for frames, shelving, gates, railings, brackets, supports, trailers, workbenches, garden structures, workshop fabrication and general metalwork.

Actual suitability depends on the selected size, wall thickness, fixing method, load and intended use.

Finish and Protection

Mild steel box section is usually supplied in a standard mill finish. The surface may show normal mill scale, handling marks or light surface oxidation.

For outdoor or moisture-exposed use, the steel should be cleaned, prepared and protected with a suitable primer, paint or coating system.

Cutting and Fabrication

Mild steel box section can usually be cut, drilled, welded and fabricated using suitable metalworking tools. Cut ends and drilled holes should be protected if the section will be used outside or in damp conditions.

Always use suitable protective equipment and safe working methods when cutting, drilling or welding steel.

Delivery Information

Lead times are currently 3–5 working days. Mild steel box sections are long and heavy items, so suitable delivery access is required. Offloading assistance may be required on site.

Bulk Orders

Contact us for a custom quote if you require multiple 3m mild steel box sections or larger quantities for a fabrication, trade or construction project.