Welded Pipes (ERW, LSAW, SSAW) – Danyal Pipelines
ERW (Electric Resistance Welded): ERW Steel Pipe-Electric Resistance Welded Steel Pipe is made of hot-rolled steel coils/sheets that have been put in a process known as cold roll forming. The obvious advantage of ERW steel pipe compared to seamless steel pipe is the uniform wall thickness. According to API standard or GB/T9711.1 standard, both ...
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