Yearly Archives: 2022

Hot rolled seamless steel pipe: Hot rolling is relative to cold rolling, cold rolling is rolling below the recrystallization temperature, and hot rolling is rolling above the recrystallization tempera...

According to the function of petroleum casing pipe, it can be pided into surface casing, technical casing and oil layer casing. 1) Surface casing of petroleum casing: 1. It is used to block the unstab...

LSAW steel pipe (Longitudinally Submerged Arc Welding is abbreviated as LSAW) is a professional expression term for straight seam submerged arc welded steel pipe. LSAW steel pipe is produced by using ...

The question "Shall I use ERW or seamless pipes for my project?" is coming up over and over.Each of the two has different advantages and disadvantages, which should be pondered to take a proper decisi...

ERW pipe is a pipe formed by electric resistance welding. Unlike seamless steel pipe,it has a welded joint in its cross section. Since the process involved in the production of ERW steel pipe is very ...

ASTM A53 American Standard (no coating and hot dip galvanized welding and seamless nominal steel pipe) ASTM A53 is the executive standard for steel pipes, and is a steel grade produced according to th...

ASTM A106 - Standard Specification for Seamless Carbon Steel Pipe for High-Temperature Service ASTM A106 Seamless steel pipe (also known as ASME SA106 pipes) is an American standard steel p...

The anticorrosive spiral steel pipe(SSAW) is mainly used for anticorrosion of the external walls of buried or underwater steel oil, gas, water, and heating pipelines, and is also suitable for various ...

The main standard of large-diameter J55 oil casing pipe is API 5L, the outer diameter of large-diameter oil casing is expressed in inches, and 1b/ft is the unit of weight. The oil casing adopts differ...

1. Basic requirements for the appearance of ERW straight seam steel pipe welds Before the non-destructive testing of straight seam steel pipes(ERW pipe), the appearance inspection of welds should meet...