CANGZHOU WILSON PIPELINE CO.,LTD

In high-frequency longitudinally welded pipes (ERW welded pipe), the manifestations of cracks include long cracks, local periodic cracks...

1. Construction preparation before use of LSAW steel pipe Pipe trenches must be dug, pipe wells must be built, all kinds of straight seam...

Steel pipe piles are commonly used components in the construction of bridge pile foundations. It has the advantages of high bearing...

The straight seam high frequency welded (HFW) pipe has the characteristics of simple production process and fast continuous production....

According to the purpose and the pipe material, the commonly used connection methods of the construction pipeline are: threaded...

There are many ways to inspect the quality of LSAW steel pipes, among which physical methods are also the most commonly used inspection...

ERW Casing-Casing made of electric welded pipe as raw material ERW (Electric Resistant Weld) steel pipe refers to a straight seam welded...

There are two main raw materials for oil casing pipe: Seamless casing and ERW casing. Today, we mainly discuss seamless casing. Seamless...

The high-frequency welded pipe (ERW steel pipe) forming roll is an important part of the welded pipe unit and the technical core of the...

The seamless welded pipe production technology was invented in Germany, and the technology since then is mainly in Germany. The United...

Defects produced in the actual production of high-frequency welded pipes (erw steel pipe) are sometimes not caused by one reason, but are...

Compared with traditional pipes, seamless steel pipes have lighter raw materials, high strength, good durability, can withstand higher...

Recently, our company’s small partners often encountered customer feedback in the process of talking with customers. In their previous...

The surface problem of seamless steel pipes is the most common one in the process of purchasing seamless steel pipes by all customers. We...

How much smoothness of the inner hole of the cold drawn seamless steel pipe can be achieved? This is mainly based on the customer’s...

Generally, the deformation of welded parts does not need to be corrected. Only when the post-weld deformation exceeds the technical...

High-frequency straight seam steel pipe (ERW welded pipe) is based on the principle of electromagnetic induction and the skin effect,...

In addition to the skin effect, the proximity effect is another feature of current. When alternating currents of equal magnitude and...

Dimensional tolerance defects, surface defects and straightness defects are common defects of welded pipes in the sizing section. 1....

Upset tubing, as the name suggests, is to thicken the tubing to make the tubing more robust and durable. The thickness of a standard pipe...