Posts by wilsonpipeline

1. Seamless steel pipe annealing operation method: After heating the seamless steel pipe to Ac3+30~50 degrees or Ac1+30~50 degrees or below Ac1, it is generally cooled slowly with the furnace temperat...

In the relevant regulations, there are a series of regulations and requirements for seamless steel pipe marking. The specific requirements for the logo are as follows: 1. The seamless steel pipe ma...

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 buckle shapes for oil casings.  The ladder ladder oil casing is ab...

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

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

L80 oil casing flat end, round thread without coupling or with coupling, partial trapezoidal thread with coupling or without coupling, direct connection thread, special end processing, seal ring struc...

ERW straight seam welded pipe, also known as "resistance welded straight seam welded pipe", ERW straight seam welded pipe is mainly pided into two forms: ERW AC welded steel pipe and ERW DC welded ste...

1. First of all, do a good job of meeting water quality standards, and strictly monitor and manage water quality. Carry out decontamination and injection, strengthen the cleaning of main water pipelin...

Annealing process of seamless steel pipe: 1. Fully annealed. It is used to refine the coarse and superheated structure with poor mechanical properties in medium and low carbon steels after casting, fo...

The detection methods of oil casing pipe are: 1. Ultrasonic inspection When the ultrasonic wave propagates in the tested material, the acoustic characteristics of the material and changes in the int...