CANGZHOU WILSON PIPELINE CO.,LTD

N80 oil casing pipe is an important equipment for oil drilling. Its main equipment also includes drill pipe, core pipe and casing, drill...

Seamless steel pipe is a special pipe material, including a wide range of applications. The most common materials are carbon steel and...

(1) The domestic casing pipe is in accordance with SY/T6194-96, and the length of the casing is not fixed, and its range is 8-13m....

The electric resistance welded pipe (ERW steel pipe) is a method in which a weld is combined and pressure is applied through an...

The welded square tube is a hollow square section steel square tube, also known as a hollow cold-formed steel. The utility model relates...

J55 casing pipe is an important equipment for oil drilling. Its main equipment also includes drill pipe, core pipe and casing, drill...

Reasons for cracks in seamless steel pipes: 1. The crack traverses the thickness direction of the slab. The crack in the central...

Electric fusion welding is the joining of metals by heating the metal between one or several consumable electrodes and the...

The inspection of seamless steel pipes generally includes: inspection of geometrical dimensions and surface quality; chemical...

With the development of oil well gas drilling operations to more severe working conditions such as deeper, higher pressure and higher...

Galvanized seamless steel pipes have very little galvanizing, only 10-50g/m2, and their corrosion resistance is much worse than that of...

Based on the analysis of fracture morphology, chemical composition, mechanical properties, microstructure and corrosion product...

Operation method: The quenched seamless steel pipe is cooled to -60 to -80 degrees or lower in a low temperature medium (such as dry ice,...

1. Seamless steel pipe annealing operation method: After heating the seamless steel pipe to Ac3+30~50 degrees or Ac1+30~50 degrees or...

Oil casing pipe gas seal detection technology principle and process Principle: The tightness of the oil casing buckle is closely related...

In the relevant regulations, there are a series of regulations and requirements for seamless steel pipe marking. The specific...

Because the yoke buckle oil casing is shaped like a ladder, it is called a stepped oil casing pipe, which is one of the commonly used...

ERW straight seam welded pipe surface quenching and tempering heat treatment is usually carried out by induction heating or flame...

In order to improve the hardness of the seamless steel pipe, it can be improved by the heat treatment process of the quenched seamless...

L80 oil casing flat end, round thread without coupling or with coupling, partial trapezoidal thread with coupling or without coupling,...