Cold Drawn or Cold Rolled Precision Seamless Steel Pipe . Precision pipe is a kind of seamless steel pipe with high precision and brightness, which is produced by cold drawing or cold rolling process.Its inner and outer diameter size can be accurate to within 0.02 mm, precision steel tube inside and outside wall without oxidation layer, under high pressure without leakage, high precision , high cold drawn small size seamless precision steel pipe China AISI 1045 Cold Drawn Precise Seamless Steel Pipe for cold drawn small size seamless precision steel pipeChina AISI 1045 Cold Drawn Precise Seamless Steel Pipe for Mechanical Processing, Find details about China Seamless Steel Pipe , Steel Pipe from AISI 1045 Cold Drawn Precise Seamless Steel Pipe for Mechanical Processing