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ERW Welded Steel Pipe

Writer's picture: simon masssimon mass

ERW steel pipe” is a straight seam resistance welded pipe, abbreviated as ERW. It is used to transport vapor and liquid objects such as oil and natural gas, which can meet various requirements of high and low pressure. At present, it plays an important role in the field of transmission pipes in the world. 1. Ordinary welded steel pipe refers to ordinary “submerged arc welded steel pipe”, which is represented by “SC” in electrical engineering. It can be used as a water gas pipe or a threaded pipe. 2. The line pipe is also the electric wire pipe, which is relatively thin. It is indicated by “T” and can only be used as a thread pipe. 3. ERW pipe is “high frequency resistance welded steel pipe”, which is different from ordinary welded pipe welding process. The weld seam is made by melting the base metal of the steel strip body, and its mechanical strength is better than that of ordinary welded pipe. ERW stands for resistance welding. Resistance welding has the characteristics of high production efficiency, low cost, material saving, and easy automation. Therefore, it is widely used in aviation, aerospace, energy, electronics, automotive, light industry and other industrial sectors. It is one of the important welding processes.

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