Flat Bar2026-05-03T19:59:21+00:00
mild steel flat bars stacked for structural and fabrication use

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CoreMet Steel

Flat Bar Supplier UK & Global

CoreMet Steel supplies steel flat bars across the UK and global markets, supporting construction, fabrication and engineering industries. Our flat bars are ideal for fabrication and construction where precision, strength, and versatility are essential. Whether for structural reinforcement or industrial manufacturing, CoreMet Steel ensures reliable supply and consistent product quality.

What Is a Steel Flat Bar?

A steel flat bar is a rectangular steel section with uniform thickness and width, commonly used in fabrication, construction, and engineering applications. Flat bars offer excellent strength, versatility, and ease of machining, making them suitable for both structural and decorative uses such as brackets, frames, supports, and reinforcement components.

Typical Flat Bar Sizes

WidthThicknessLength
20 mm3–5 mm6m
40 mm5–8 mm6m
75 mm6–10 mm6m / 12m
100 mm8–12 mm6m / 12m

Why Choose CoreMet Steel As Your Flat Bar Supplier?

Precision Manufacturing: Produced using advanced rolling technology for accurate dimensions and smooth surface finish.
Wide Range of Sizes: Available in multiple widths and thicknesses to suit diverse structural and fabrication requirements.
Durable and Reliable: Made from premium-grade mild steel ensuring long-lasting performance and easy weldability.
Custom Lengths Available: Standard and cut-to-size flat bars supplied according to your project needs.
Global Reach: Reliable export and delivery across the UK, Europe, Africa, and the Middle East.

Flat Bar Specifications

CoreMet Steel supplies flat bars in accordance with internationally recognised standards, ensuring consistent mechanical strength, dimensional accuracy, and surface quality.

Common standards include:

  • EN 10025 – S235JR, S275JR, S355JR
  • ASTM A36 – Structural carbon steel

Material certification and mill test certificates are available on request.

SpecificationTypical Range
Thickness3 mm – 50 mm
Width12 mm – 300 mm
Lengths6 m, 12 m, or cut-to-length
Surface conditionAs rolled, bright, primed, or galvanised
Edge conditionMill edge or trimmed

Applications of Flat Bars

Flat bars are widely used where strength, adaptability, and ease of fabrication are required.

  • Structural framework and support systems
  • Base plates and brackets
  • Industrial fabrication and machining
  • Fencing, gates, and railing construction
  • Engineering and maintenance projects
  • Reinforcement and alignment components
Benefits of Flat Bars

✅ Excellent strength and workability
✅ Easy to weld, drill, and machine
✅ Cost-effective for a wide range of fabrication needs
✅ Ideal for custom fabrication and general engineering
✅ Available with quick turnaround and bulk supply options

Explore More from Our Merchant Bar Range

Discover more Merchant Bar Products from CoreMet Steel:

Flat Bar FAQ

What grades are used for flat bars?2026-03-14T19:17:40+00:00

Common grades include S235JR, S275JR and S355JR according to EN 10025 structural steel standards.

What sizes do flat bars come in?2026-03-14T19:17:35+00:00

Steel flat bars are typically supplied in widths from 12 mm to 300 mm, thicknesses from 3 mm to 50 mm, and lengths of 6m or 12m.

What is a steel flat bar used for?2026-03-14T19:17:31+00:00

Steel flat bars are used in structural supports, brackets, frames, fabrication and general engineering applications.

For design standards and applications, visit SteelConstruction.info for additional reference on steel use in UK industries.

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