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CoreMet Steel
ERW Steel Tubes Supplier UK & Global
CoreMet Steel is a trusted ERW steel tubes supplier in the UK and worldwide, delivering high-quality electric resistance welded tubes for construction and engineering projects.
Our ERW tubes are manufactured using precision welding processes to deliver consistent strength, clean finishes, and dimensional accuracy for your projects.
What Is an ERW Tube?
An ERW Tube (Electric Resistance Welded Tube) is a steel tube manufactured by cold-forming steel strip into a tubular shape and welding the seam using high-frequency electric resistance. This process produces a strong, consistent weld with excellent dimensional accuracy and surface finish.
ERW tubes are widely used in structural, mechanical, and fabrication applications where strength, precision, and cost-efficiency are required. They are commonly supplied in round, square, and rectangular profiles and are suitable for welding, cutting, bending, and coating.
Due to their uniform wall thickness and reliable weld integrity, ERW tubes are a popular choice for construction frameworks, fencing, scaffolding, automotive components, and general engineering projects.
Why Choose CoreMet for ERW Tubes?
✅ Wide Range of Sizes and Thicknesses: We supply ERW tubes from light to heavy gauge in various diameters to suit structural and fabrication needs.
✅ Consistent Quality: Sourced from certified mills ensuring tight tolerances and weld integrity.
✅ Surface Finish Options: Black, galvanised, and custom-coated finishes available for your project requirements.
✅ Fast Global Delivery & Global Export: CoreMet Steel supplies ERW Tubes globally, including the Middle East, UAE, and international markets.
Our ERW Tube Product Range
- Mild steel ERW tubes
- Galvanised ERW tubes for outdoor applications
- Square, rectangular, and round ERW tubes
All ERW tubes comply with BS EN standards for structural steel and engineering applications.
Benefits of ERW Steel Tubes
✅ Smooth surface finish for ease of painting and coating
✅ Tight dimensional tolerances for accurate fabrication
✅ Strong and lightweight for efficient structural use
✅ Corrosion resistance with galvanised options
✅ Cost-effective for structural and fabrication projects
Typical ERW Tube Sizes
| Profile | Size Range | Wall Thickness | Length |
|---|---|---|---|
| Round ERW | 21.3 – 323.9 mm | 1.2 – 10 mm | 6m / 12m |
| Square ERW | 20×20 – 200×200 | 1.2 – 8 mm | 6m / 12m |
| Rectangular ERW | 40×20 – 300×200 | 1.5 – 10 mm | 6m / 12m |
ERW Tube Specifications
CoreMet Steel supplies ERW tubes in accordance with internationally recognised standards, ensuring consistent mechanical performance, dimensional accuracy, and full traceability.
Common Standards
- EN 10219 – Cold formed welded structural hollow sections
- EN 10305 – Precision steel tubes
- BS EN 10255 – Steel tubes for water, gas, and air
- ASTM A500 / A53 (on request for export projects)
Typical Supply Options
- Profiles: Round, Square, Rectangular
- Outside diameter (round): approx. 21.3 mm – 323.9 mm
- Square sizes: approx. 20 × 20 mm – 200 × 200 mm
- Rectangular sizes: available in multiple width/height combinations
- Wall thickness: approx. 1.2 mm – 10 mm
- Lengths: 6 m, 12 m, or cut-to-length
- Surface finish: As welded (black), galvanised, or coated
- End finish: Plain, threaded, or bevelled (depending on application)
Mill test certificates and material documentation are available on request.
Applications of ERW Tubes
Our ERW steel tubes are used in:
- Structural frameworks for buildings and sheds
- Fencing and gate frames
- Scaffolding systems
- Automotive and engineering components
- Furniture and general fabrication
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ERW Tubes FAQ
ERW tubes are available in round, square, and rectangular profiles depending on the structural or mechanical application.
ERW tubes are widely used in construction frameworks, fencing, scaffolding systems, automotive components, and engineering fabrication.
ERW tubes are manufactured by forming steel strip into a tubular shape and welding the seam using electric resistance welding.
For technical data and steel design standards, visit SteelConstruction.info for more guidance on steel section applications in the UK.
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