LSAW Steel Pipe

LSAW pipe is made of steel plate through different forming processes, such as double-sided submerged arc welding and expanding after welding. The forming methods of LSAW pipe include UO (UOE), Rb (RBE), JCO (JCOE), etc.

The forming process of UOE longitudinal submerged arc welded pipe mainly includes three forming processes: steel plate pre bending, u forming and O forming. Each process uses a special forming press to complete the three processes of steel plate edge pre bending, u forming and O forming in order to deform the steel plate into a circular tube. The forming process of JCOE longitudinal submerged arc welded pipe: in jc0 After repeated stamping on the forming machine, the first half of the steel plate is pressed into a J shape, and then the other half of the steel plate is pressed into a J shape to form a C shape.

According to the purpose of welding steel pipe can be divided into general welding pipe, galvanized welding pipe, oxygen blowing welding pipe, wire casing, metric welding pipe, roller pipe, deep well pump pipe, automobile pipe, transformer pipe, welding thin wall pipe, welding special-shaped pipe and spiral welding pipe. Welded steel pipe according to end shape can be divided into circular welded pipe and irregular (square, flat, etc.) welded pipe.