One of the reasons we produce high-quality welding rotators, Hydraulic Srb Pipe, Cold Drawn Steel Tube is our quality inspection system, which is the best of its kind. Our firm warmly welcome friends from everywhere in the globe to visit, examine and negotiate business enterprise. We realize that consumers increasingly expect personalized and customized products or services with the development of the economy. Our products and solutions are sold to many countries worldwide, and are favorably appraised by clients.
Cold drawn seamless steel pipe Introduction
High precision cold drawing precision steel pipe is a new high technology energy-saving product. , application of high precision cold drawn precision steel tube to save steel, improve the processing efficiency and save energy High precision cold drawn pipe refers to the inner and outer diameter size accuracy (tolerances) strictly, both inside and outside surface roughness, roundness, straight degree good, fine uniform wall thickness The technology of high precision cold drawn pipe production by the main technical indicators have reached or part of a national standard GB8713 -- more than 88 international standard ISO4394 / I - 1980 (E)
Cold drawn seamless steel pipe technical parameters and Details
Production process
Raw material – annealing for material of 45#, 27SiMn, 25Mn – Acid cleaning – parkerizing & Saponifying – cold drawn – leveling – saw off bad section – stress relieving – leveling – inspection – oiled plated - packing
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