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What is the difference between ERW steel pipe and ordinary welded steel pipe

Views: 6     Author: Site Editor     Publish Time: 2023-01-29      Origin: Site

"ERW steel pipe" is a straight seam electric resistance welded pipe, abbreviated as ERW. It is used to transport vapor and liquid objects such as oil and natural gas and can meet various requirements of high and low pressure. Currently, it occupies a pivotal position in the field of transportation 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 threading pipe, and it is relatively thick.

2. The line pipe is also the wire pipe, which is relatively thin and is represented by "T", and it can only be used as a threading pipe.

3. ERW steel pipe is a "high-frequency resistance welded steel pipe". It is different from the welding process of ordinary welded pipes. The weld seam is formed by melting the base material of the steel strip body, and its mechanical strength is better than that of ordinary welded pipes.

ERW means resistance welding. Resistance welding has the characteristics of high production efficiency, low cost, material saving, and easy automation. Therefore, it is widely used in various industrial sectors such as the military, energy, electronics, automobiles, and light industry.


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