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Steel pipes without joints on the outer surface are made of a single piece of metal and are called seamless steel pipes. According to the manufacturing method, the seamless pipe is pided into a hot ro...

The casings pipe used in drilling, the joints they use, are chosen to be a trapezoidal thread, plus the concept of a torsion-resistant shoulder, so that it can transfer a very large turn when in use. ...

The casing pipe is used to support the oil and gas well walls to ensure the normal operation of the entire well after the drilling process is completed. Each well is based on different depths of drill...

Q345B seamless steel pipe is used in various aspects due to its superior performance. And because it has greater practicability and adaptability, it has naturally become a priority in various fields. ...

(1) Low transportation costs. Railway, road and water transport oil and gas carriers are tankers and tankers. Some of the energy is consumed in the movement of the carrier, especially the empty vehicl...

There are three main types of modern steel pipe production, namely welded pipes, seamless steel pipes and seamlessness pipes. The welded pipe is formed by deforming the metal strip into a tubular sha...