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.

Steel Pipe is a economical structural grade pipe with a smooth bare finish 

that has slighter higher mechanical properties than standard pipe.

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:

Specifications of SHS-Square Hollow Section:

Specifications of CHS-Circular Hollow Section:

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

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

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

Hollow section steel tube is mainly divided into 3 fields:

1) Building structural members: for columns and beams, truss member in long-span construction auxiliary structural member

2) Mechanical members: for construction machinery, agricultural equipment, machinery frames and furniture parts

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