Buy EN8 bright mild steel square bar online or by calling our friendly, dedicated customer services team.

What is EN8 bright mild square bar?

Square bar, as its name suggests, has four faces of identical measurement. This differs from flat bar, which has a rectangular profile with two faces of one measurement, and two faces of a separate measurement.

Bright Mild Steel Square Bars have been cold finished, cold drawn. This provides a steel that is more accurate in dimension and shape, and has a better surface finish than Black Mild Steel. Compared to normal Mild Steel, Bright Mild Steel provides tighter sectional tolerances, increased straightness, and a much cleaner surface. The main advantage of Cold Drawn Steel is that it can be bought closer to the finished machine size, reducing machining costs. Another benefit of Bright Steel Bars is a marked increase in physical strength over Hot Rolled Bars of the same section. EN8 grade is an unalloyed, medium carbon Steel (BS 970 080m40), which has high strength levels compared to normal Bright Mild Steel, due to thermo mechanical rolling. EN8 is suitable for all round engineering purposes that may require a Steel of greater strength.

What is it used for?

Mild steel square bar is used for building, fencing, making gates, repairs, decorative work, general manufacturing. It is also known as square steel, and square metal bar. Along with flat bar, round bar, and hexagonal bar, it may also be known as bar stock, or sometimes as billet . EN8 bright may be used where increased strength is required, and where tolerances on size are important.

What sizes of EN8 bright mild square bar do you supply?

We supply both imperial and metric sizes, starting from ½” going up to 50mm. The longest length we supply is 3000mm. We are also happy to provide custom cut lengths to your requirements. Simply enter the length of material that you require in to the custom size box. Indicate the quantity you require, and the price is calculated for you. You can even add your materials to the basket and checkout in the usual way.

All our EN8 bright mild steel square bars are in stock and ready for speedy delivery.

How can I work with mild steel square bar?

More information about working with mild steel is available in our Technical Section, on the What is Mild Steel page


metals4U also supply black mild square bar (S275JR) and and bright mild steel square bar (EN3B).

And we also supply ENB bright in round bar too.

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