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The ERW steel pipe is also known as straight joint pipe. According to the wall density, the bonded tube is categorized into typical types and thick-walled types. We can offer items with personalized wall thickness according to customers’ particular requirement with a thickness deviation of no more than 0.25 mm.
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It is made by rolling low-carbon carbon structural steel or low-alloy structural steel strip according to a certain spiral angle (called forming angle) into a tube blank, and then welding the tube seam together.
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