- CHS stands for Circular Hollow Section.
- It is a hollow tube with a circular cross‐section.
- It is usually made from steel; aluminum and stainless steel are also used.
- It is produced by hot‐rolled, cold‐formed, or seamless processes.
- It has uniform strength in all directions.
- It offers high torsional rigidity.
- It is lightweight for its strength.
- It accepts welded, bolted, or riveted connections.
- It has a clean, architectural appearance.
Commen uses include columns, braces, frames, and trusses.
- It is also used for scaffolding tubes, railings, and architectural tubes.