Cold Finished Steel Pipe

Tianjin Wanlei Steel Pipe Co., Ltd. is one of the leading manufacturers and suppliers of cold finished steel pipe in China, featured by quality products and low price. If you're going to wholesale durable cold finished steel pipe made in China, welcome to get pricelist and free sample from our factory.

Cold finished steel pipe

Advantages of cold finished steel pipe:

• Flat surface status, the result of the rolling operation.

• Few calamine deposits in the surface and better suited to painting.

• Regularity of thickness and tolerances of under 5 mm.

• Tighter tolerances on external dimensions of over 100, on the concavity and convexity of faces and on the straightness of rectangular and square tubes.

• Manufacturing mode adapted to high yield point requirements.

• Conservation of fine granular structure obtained in the rolling operation.

• Can satisfy high strength requirements (HLE) in excess of the limits set in the product standard.

• Wide range available.

• Economically attractive.

Production standards and quality certificates

Product supply conditions and options

Supply conditions

The normal supply lengths are 6.000 to 12.000 mm, although upon request they can be supplied at other lengths of between 4.000 and 16.000 mm.

In addition, other lengths can be supplied upon request.

Other possibilities subject to enquiry

The options indicated below are on an inquiry basis.

• Inside weld bead removed

• Positioning of weld

• Tolerances on size of edges, inside and outside dimensions

• Finishes and surface treatments

• Finish of ends of long tube

- Bevelling (only on round tube).

• Shot blasting and painting

- By means of this process, calamine and any other contaminants in the material are eliminated. This is the most advanced technique for cleaning cold and hot-rolled steels. For this reason we have shot blasting and painting installations (“shopprimer”),which protect the product until it is used. Our control process is based on the EN 10238 standard grade SA 2 1/2 with or without priming.

- Primed or painted tubes are perfectly weldable and do not generate fumes or toxins.

• Hot dip galvanizing

- Once they have been shaped, the tubes are submerged in the molten zinc tank to provide them with anti-corrosion protection.

Packaging and strapping

Package format rectangular (standard): Rectangular or square tubes, packages are made with metal slings in the form of a rectangle.

Hexagonal package (standard): Round tubes, and these are tied together with metal slings in a hexagonal form to optimise their protection and handling.

The most typical applications are:

• Metal construction

- Industrial buildings

- Bridges

- Stadiums

- Etc.

• Mechanical construction

- Farming machinery

- Cranes

- Telescopic jib cranes

- Etc.

• Automotive

- Truck bus chassis

- Chassis of trains and underground trains

- Etc.

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