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The seamless steel tube is bent because the rolling mill is not properly adjusted, the residual stress remaining during rolling, and the unequal cooling due to the cross-section and length of the tube...

Seamless steel pipes are widely used in our lives and are also suitable for all major factories, so the specifications and specifications are very high, especially the outer diameter of seamless steel...

The difference between a seamless tube and a conventional welded tube is that the main differences between the two types of tubes are only apparent. There is a general understanding of the difference ...

Classification of 3087 seamless steel tubes: seamless steel tubes are pided into hot rolling and cold rolling seamless steel tubes. Hot-rolled seamless steel pipes are pided into general steel ...

20# Precision tube is a kind of high-precision steel pipe material after cold drawing or hot rolling. Because the inner and outer walls of 20# precision steel pipe have no oxide layer, high pressure a...

With the continuous development of China's economy, the country vigorously develops the energy industry. Pipeline long-distance oil and gas pipelines are an important way of energy security. In the pr...

The transportation industry is very important to us and to the development of the entire country. Because only through transportation, it is possible to send things from all over the world to where th...

High strength corrosion resistant and environmentally friendly anticorrosive coating - IPN8710 coatings are specially designed for the distribution of water distribution pipes. Cold drawn (rolled) sea...

How to improve the impact toughness of ERW steel pipe welds is a major problem in the technology of pipe making. On the basis of mass production practices, various factors affecting the impact toughne...

In terms of the connection method, the seamless pipe can achieve the basic level of seamless welding through a new welding method. The conditions of his free cutting and the different appearance shape...