Steel pipe cold drawing will appear pitting problem, pitting, also known as pitting surface, pit, is the surface of the steel pipe into pieces of fine pitting pits, local or continuous on the surface of the steel pipe. So what causes this problem and how

Seamless steel pipe is a stainless steel material products, generally will not rust. But when there are high strength corrosive chemical agents, there will still be a small part of corrosion.

Seamless steel pipe is made of ingot or solid tube billet by perforation into the capillary, and then by hot rolling, cold rolling or cold dialing made. Mainly divided into: fluid with seamless steel pipe, seamless steel pipe structure, used for conveyin

Seamless steel pipe is generally the molten state of molten steel through the annular slit backlog in after the stretching and other disposal process forming, so there is no weld. The performance, especially the pressure capacity of the ordinary steel pi