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Mild Steel Square Bars

  UK's Leading Supplier of Cut To Size Materials

Our range of mild steel square bar stock provides versatile 90-degree sections for fabricating frames, bases, brackets, machinery parts and more. We offer hot-rolled EN10025 S275JR squares offering easy welding, improved torque resistance, and multi-directional fixing. Many common sizes are in stock for next-day delivery. Don’t see the size you need? Get a quick quote for free custom-cut lengths.

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On Orders £250+
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Mild Steel Square Bar FAQs

What are steel square bars used for?

Steel square bars are used in a wide range of manufacturing, construction and engineering applications that require 90 degree corners and edges. Common uses for steel squares include frames, braces, brackets, bases, linear guides, keys, axles, machinery parts and more as the shape allows for multi-directional bolting, welding and rigidity. The versatility of steel square bar makes it suitable for both structural fabrication and precision machining.

How much do mild steel square bars weigh?

The weight of a square steel bar per meter depends on the thickness of the bar and the steel grade. Here are some approximate weights per thickness for our S275JR square bars:

Thickness (mm) Weight (kg/m)
10 0.785
12 1.130
14 1.536
16 2.010
20 3.140
25 4.906
30 7.065
40 12.560
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