EQUIPMENT REVAMPING OF 76mm MANDREL MILL

Mandrel mills can produce seamless steel pipes with high output and quality. The equipment layout and process flow regarding the 1st set of 76mm mandrel mill domestically-designed and manufactured are surveyed, and emphasized is the revamping of the feeding system of shell and mandrel, the automatic lubricant-coating system and the preheating furnace, etc, of the mandrel mill.