Cold drawn steel pipe is a kind of steel pipe, that is, it is a type classified according to different production processes,and is different from hot rolled (expanded) pipe. In the process of expanding the diameter of the capillary tube or the raw material tube, it is formed by cold drawing in multiple passes, usually on a single-chain or double-chain cold-drawing machine of 0.5 to 100T . Cold rolled (dial) steel pipes are divided into general steel pipes, low and medium pressure boiler steel pipes, high pressure boiler steel pipes, alloy steel pipes, stainless steel pipes, petroleum cracking pipes, machined pipes, thick-walled pipes, small-diameter cold-drawn pipes with inner molds, and other steel pipes Also includes carbon thin-walled steel pipes, alloy thin-walled steel pipes, stainless thin-walled steel pipes, and special-shaped steel pipes. The cold-drawn steel pipe can have an outer diameter of 6mm , a wall thickness of 0.25mm , and a thin-walled tube with an outer diameter of 5mm and a wall thickness of less than 0.25mm . The accuracy and surface quality are significantly better than those of hot-rolled (expanded) pipes. Restrictions, its caliber and length are subject to certain restrictions.

Carbon steel cold drawn or cold rolled steel pipes finished in Haihao Group

Advantages of cold drawn steel pipe:

1.The outer diameter is smaller than that of ordinary steel pipes, with high accuracy and superior performance.

2.High precision of the finished product, good surface quality of the steel pipe, more complex transverse area of the steel pipe, and small batch production.

3.Compared with ordinary steel pipes,the biggest advantage of cold drawn precision steel pipes is that they have no welds and can withstand greater pressure.