Oil pipeline anti-corrosion is the most important part of oil pipeline engineering management. Due to the vast areas of my country, the transportation system of oil companies uses long pipelines for underground logistics transportation. All have played an important role, so the anti-corrosion treatm

①Main production process of hot-rolled seamless steel pipe (main inspection process):Tube billet preparation and inspection → tube billet heating → perforation → tube rolling → waste tube reheating → fixed (reduced) diameter → heat treatment → finished tube straightening → finishing → inspection (no