The advancement and superiority of Longitudinal submerged arc welded pipe(LSAW)
The welding principle of ERW steel pipe:skin effect and proximity effect.
Straight seam steel pipes can be divided into high frequency straight seam steel pipes (ERW Pipe) and submerged arc welded straight seam steel pipes (LSAW Pipe) according to the production process.
Factors affecting the accuracy and resolution of oil casing pipe wall thickness detection
In addition to the direct use of straight seam steel pipes, it will also be processed according to the purpose of construction. Related processing methods include forging steel, extrusion, rolling, an...
Cold rolled seamless steel tube and hot rolled seamless steel tube
In fact, the spiral tube itself has no service life, but because it is used in different environments, it will wear the spiral tube, which will affect the service life of the spiral tube. In this case...
Process methods and characteristics of international pipe-making technology. The forming methods for producing large-diameter LSAW steel pipes abroad include: UOE forming method, CFE row roll forming ...
What will happen to seamless pipes in low temperature environments?
Common method to connect between two seamless steel pipes.
Common anticorrosion methods for offshore oil casing pipe
Matters needing attention in the storage of straight seam steel pipes
Analysis of welding process parameters of ERW high frequency welded pipe
Quenching cracks are common quenching shortcomings, and the causes are various. Because the shortcomings of quenching and tempering treatment are just the beginning of designing products, the work of ...
What measures can the oil casing pipe plant take on the production line?