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

　　1. Grinding of the pipe mouth of seamless steel pipe: After cutting, the plastic layer of the pipe mouth should be polished with an angle grinder. The purpose is to avoid melting or burning of the plastic layer during flange welding and destroying the pipe. Use an angle grinder to polish the plast

Seamless steel pipe thread connection process1. The production process of seamless steel pipes can be divided into two types: cold-drawn and hot-rolled. The production process of cold-rolled seamless steel pipes is generally more complicated than that of hot-rolled. The tube billet must first underg