Hollow Section Steel Tube for Guardrail, SHS, RHS, CHS

    Thickness: 2mm - 19mm 


    Length: 6m - 12m 

    Grade: GB, EN, ASTM, JIS 

Shanghai Metal Corporation are delighted to supply the series of cold formed products such as square tubes, rectangular tubes, cold rolled steel plate and sheet. With galvanized, anti-corrosion or untreated surface treatment, our hollow section steel pipe accept your designation.

Manufacturing of Cold Formed Hollow Section Square Tube and Rectangular Tube

Uncoilding → Flatting → Shearing and butt welding → Circle shearing → Loop storing → Water cooling → Removal of burrs → High frequency welding → Roll forming → Forming → Nondestructive inspection → Cutting off → Corrosion resistant coating → Packing and warehousing → Marking → Inspection

Advantages: High precision, Good squareness

Specifications of Cold Formed Hollow Section - Square Tube, Rectangular Tube and Circular Tube:

1. Type: circular tube, square tube and rectangular tube.

2.Standard and Grade:

Specification of SHS-Square Hollow Section:

Specification of CHS-Circular Hollow Section:

Specifications of RHS- Rectangular Hollow Section:

Packaging of Hollow Section Steel Tube

Shanghai Metal Products are packed and labeled according to the regulations and customer's requests. Great care is taken to avoid any damage which might be caused during storage or transportation. In addition, clear labels are tagged on the outside of the packages for easy identification of the product I. D. and quality information.

1) Shanghai Metal Standard

2) Customization


If the clients require higher precision sections, we can change the equipment as per

the clients' request and meet their requirements.

If you have any inquiry or comments, please feel free to contact us.

Applications of Cold Formed Hollow Section Steel Tube

Square Tube, Rectangular Tube and Circular Tube:

Hollow section steel tube mainly divided into 3 fields:

1) Steel structure, frame of container, bus, bridge, ship making

2) Mechanical members: for construction machinery, agricultural equipment,

machinery frames and furniture parts

3) Others: for rack, pallet, high-rise automated warehouse, etc. 


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