For spiral welded pipe, the service life is the most important part of the buyer, and the most important part of the service life of spiral welded pipe is to keep the surface of the steel pipe from decarburization. It is well known that after the surface of spiral welded pipe is decarburized, its st

Seamless Steel Pipe API 5L/ASTM A106 GR.B OD>60.3 BE,OD<60.3 PE,Black painting,ends with caps,length 6mOut Diameterwall thicknessFOB Tianjin(by full container)wall thicknessFOB Tianjin(by full container)Inchmmmm/sch40 USD/TONUSD/Mmm/sch80 USD/TONUSD/M1/4"13.72.24$1,550.4$1.03.02$1,550.40 $1.20 3/8"1

From the appearance point of view, there are two differences between oil casing and oil drill pipe:1. The usage of products2. The material of products As we know, the oil casing is a steel pipe used to support the wall of oil and gas wells. Its function is to ensure the normal operation of the entir

In long-distance pipeline transportation projects, pipeline welding is often the most important processing step, so the choice of welding joints and welding methods during processing will become more important. In general welding operations, fixed welding, rotary welding, and prefabricated welding a