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The heat-expanded seamless steel pipe is a heat expansion pipe that we often say, and the steel pipe with a relatively low density but a strong shrinkage can be simply referred to as a heat expansion ...

Steel pipes are classified into two types: seamless steel pipes and welded steel pipes according to their manufacturing methods. The seamless steel pipe is made of high-quality carbon steel or alloy s...

The analytical technique of seamless steel pipe rolling has been widely used in finite element method (FEM) since the late 1980s. Recently, with the development of computer output, the analytical tech...

The pickling process acid pickling solution is generally a mixture of various acids, mainly sulfuric acid, nitric acid and hydrofluoric acid, etc. These mixed acids are highly corrosive and have a str...

Seamless steel pipe is a long strip of steel with a hollow section and no joints around it. It is widely used in pipelines for conveying fluids, such as pipelines for transporting oil, natural gas, ga...

Welded steel pipe: also called welded pipe, which is formed by bending a steel plate or a steel strip and then welded. According to the form of weld, it is pided into lsaw steel pipe and ssaw steel pi...

First floor: Working steel pipe According to the design and customer requirements, the seamless steel pipe (GB8163-87) spiral welded pipe (GB9711-88; SY/T5038-92) and straight seam welded pipe (GB3092...

In our current society, steel pipes are used in many fields. Steel pipes are used in transportation, construction and other aspects. Nowadays, a large number of steel pipes are roughly pided into two ...

Seamless steel tubes are very useful in the industrial category. There are many types of pipe materials, including small-diameter seamless steel pipes, seamless steel pipes, detailed seamless steel pi...

The same is a large-diameter seamless steel pipe, but in the use of the product, there will be a difference in the relative use, then in the use of this product, because of their own quality gap, in u...