Mild Steel Box Sections

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What is mild steel box section and what is it used for?

This mild steel box section, also commonly known as square tube, is supplied in a choice of 3 different grades offering different surface finishes. The range of box section types we stock ensure there is a product suitable for your needs.


Grade Finish Weldability Corrosion resistance Formability Machinability
E220 Mill Excellent Poor Poor Excellent
E220 Red Oxide Excellent Poor Poor Excellent
S235 Galvanised Poor Good Poor Poor
S355J2H Red Oxide Excellent Poor Excellent Excellent

Mild steel box section can be used for a huge range of various applications including construction, frames, structures, security grills, transport, and general fabrications.

Our mild steel box section is available in a wide selection of width, thickness, and heights, and is sold in lengths of up to 6m or can be custom cut to your requirements at no extra cost to you.

Order your mild steel box section from metals4U.

Next day delivery options available and fast delivery on all orders as standard.