Steel Flat Bar

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About Flat Steel Bar

Flat steel bars are either square or rectangular in cross-section, with sharp square edges. They are also known as flat merchant bars, flat bars, steel flats, or steel bars. They belong to the flat products range and are made from hot-rolled or cold-rolled steel. They are used in general structural fabrication works, as they are easy to weld, bend, cut, punch, and form. Flat Steel Bar comes in two qualities, i.e. merchant bar quality or speciality bar quality.

How is the flat steel bar made?

Flat steel bars are manufactured from carbon steel, mild steel, stainless steel, and alloy steel. They are identified as hot-rolled or cold-finished, as per the manufacturing process used.

Hot-rolled flat steel bar A hot-rolled steel bar, with merchant bar quality, is produced using steel billets that are heated to high temperatures. The bar is formed using extrusion and is then processed for shape in the shaping roll mill. Forging of this bar gives it the desired shape- square, rectangular, or round. It is cooled after the rolling process.

Cold-finished flat steel bar A bar formed using hot-rolled steel undergoes further processing in this treatment. The bar is subjected to reheating, at a specific temperature, to prepare the surface and its grains for the drawing process. It is then mechanically drawn through a rolling die which reduces its thickness and increases the length using tensile force. The process of drawing the bar by this method increases its strength while giving it a better surface finish and precise dimensions.

SteelScout supplies flat steel bars in all grades and types of steel. Our supplier network is well-equipped to supply any quantity required with stock or customised lengths and finish. CE-marked cold-finish and hot-rolled flat steel bars of steel grade S275JR, S275J0, S355JR, S355J0, and S355J2 are readily available with us.


These kind of steel bars are widely used across all industries and sectors in general fabrication and repair works.

Construction These bars are easy to cut, weld, drill, and punch. With its high strength, good ductility, and durability, this bar can bear loads easily. Due to these properties, it is widely used in the construction industry as supporting material for braces, ladders, hangers, latches for gates, ducting, reinforcing support for repairs, and other such applications.

Automotive This bar, in its square shape with special steel quality and cold-forming process, is used to manufacture parts such as axels, pins, rods, spindle, shafts, and other such automotive components. Hot-rolled bars are used to create heavy vehicle frames, trailers, chassis, and body frames.

Manufacturing The manufacturing industry uses these bars of various grades of steel and metal types to make equipment for other sectors. Agricultural equipment and machinery parts and tools have many uses of the flat steel bar.

This bar is an all-purpose utility product for domestic industry in general repairs and maintenance works. The bar is used in creative artworks and architectural projects as it can be easily bent into different shapes.

Procure flat steel bars from SteelScout

SteelScout provides high-quality service with short turnaround times and best price quotes on CE-certified flat steel bars. Any quantity of material, whether stock or with customised processing and finishes, is readily handled and supplied to your satisfaction. We have an extensive range of flat steel bars and other products too.

Shop with us to avail of the following features:

  • Only CE-certified products supplied
  • Easy online platform with size guides
  • Best price quote within 20 minutes to a maximum of 3 hours’ time
  • 45-day interest-free credit
  • Credit check in 30 minutes
  • Personal manager assigned to your order
  • 30 experienced team members ready to help with your order
  • Test certificates available on request
  • Value-added services and processing on your order
  • Free next day delivery to your location

Watch our video for more information.

Related Metal Products Supplied by SteelScout

We also supply a wide range of mild steel including Structural Sections, Tubing, Sheet, Merchant Bar, Re-Rolled Steel, Hollow Sections, Rebar, Flooring and Mesh, available in standard as well as custom dimensions for all your project needs. Simply tell us what you need, and we will provide you with a quote in 20 minutes to 3 hours. Once we receive the purchase order, we will complete your order and deliver to suit your requirements.

Saving You Time and Money

We also provide you with 45-days interest-free credit for buying products, get approved in less than 24 hours. So, order fast and get your product, and get an additional benefit of free delivery.

We take the hassle out of buying metal.

More Reasons to Buy from SteelScout

Free delivery*

Test certification
available on all orders

Over 3000 tonnes of metal
delivered to our customers,
each week

99% customer satisfaction

All our products
are CE Compliant

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70 suppliers to ensure you get
the best price

Get the right price in as little as 20 minutes and no longer than 3 hours
Call: 0330 808 5080
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