Posts by wilsonpipeline

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...

In order to protect the quality of the ERW welded pipe we produce, we will conduct quality inspection on each welded pipe produced. So what are the inspection methods for welded pipe? Today we will fo...

ASTM A179 is an American standard, cold drawn seamless low carbon steel heat exchanger and condenser steel tube. ASTM A179 is equivalent to China's No. 10 high-quality low-carbon steel. The America...

1. Acceptance 1.1 The quality inspection and acceptance of straight seam steel pipes shall be carried out by the technical quality supervision department of the supplier. 1.2 The supplier must ensure ...

What should be paid attention to when oil casing pipe is anti-corrosion? 1. First of all, we must do a good job in meeting water quality standards, and strictly test and manage water quality. Implemen...

Due to advanced production technology and high production efficiency, ERW steel pipe production cost is much lower than seamless steel pipe. In general, the price of ERW steel pipe per ton is about 60...

Stainless steel welded pipe is a hollow long round steel material, mainly used in industrial transportation pipelines and mechanical structural parts such as petroleum, chemical industry, medical trea...

The oil casing pipe is made of seamless steel tubes. The rules adopted at the time of delivery are irregular, but they must also meet certain rules. 1. The domestic casing is in accordance with SY/T6...

The surface quenching and tempering heat treatment of ERW pipe is usually carried out by induction heating or flame heating. The main technical parameters are surface hardness, local hardness and effe...