Shanghai Metal Corporation is 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.

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

1) Wall Thickness: 0.45mm - 4.75mm
2) Shape: Round, Square, Rectangular, Special Pipe available
3) Technique: ERW, HFW, Hot Rolled, Cold Rolled and Galvanized
4) Standard: GB/T 13793-1992, BS 1387, JIS 3101, DIN EN 10025, ASTM A500
5) Steel Grade: Q195 - Q235

Type: circular tube, square tube and rectangular tube

Standard and Grade:

Specifications of SHS-Square Hollow Section:

Specifications of CHS-Circular Hollow Section:

Specifications of RHS- Rectangular Hollow Section:

Manufacturing of Cold Formed Hollow Section Square Tube and Rectangular Tube

Uncoiling → 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

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) 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.