Circular Hollow Section – Allied Group https://alliedgroup.com.my Thu, 07 May 2026 08:17:15 +0000 en-US hourly 1 https://wordpress.org/?v=7.0 https://alliedgroup.com.my/wp-content/uploads/2024/09/cropped-allied_fav_icon512x512-32x32.png Circular Hollow Section – Allied Group https://alliedgroup.com.my 32 32 Cold Formed Circular Hollow Section (BS EN 10219) https://alliedgroup.com.my/product/cold-formed-circular-hollow-section-bs-en-10219-2/ https://alliedgroup.com.my/product/cold-formed-circular-hollow-section-bs-en-10219-2/#respond Sat, 28 Feb 2026 03:23:57 +0000 https://alliedgroup.com.my/?post_type=product&p=5157 Product Overview The Allied Cold Formed Circular Hollow Section (CHS) is a high-strength structural pipe designed for heavy loading. Manufactured under the BS EN 10219 standard, it utilizes non-alloy and fine grain steels to ensure superior weldability and mechanical performance.

Technical Specifications

  • Standard: BS EN 10219

  • Section Types: Cold formed welded structural hollow sections.

  • Available Grades: S235JRH, S275J0H, S275J2H, S355J0H, S355J2H.

Dimensional Tolerances (BS EN 10219) Strict manufacturing controls ensure the pipe maintains its structural integrity:

  • Outside Diameter (OD): ± 1% with a minimum of ± 0.5mm and a maximum of ± 10mm.

  • Out of Roundness: 2% for hollow sections where the diameter-to-thickness ratio does not exceed 100.

  • Straightness: 0.20% of total length.

  • Mass (Weight): ± 6% on individual pipe length.

Size Availability We stock a wide range of large diameters and wall thicknesses:

  • Diameters: 177.8mm, 193.7mm, 219.1mm, 244.5mm, 273mm, 323.9mm, 355.6mm, 406.4mm, 457mm.

  • Wall Thicknesses: Common options include 4.0mm, 5.0mm, 6.0mm, 6.3mm, 8.0mm, 10.0mm, 12.0mm, 12.5mm, and 16.0mm.

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