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ERW steel tube lines

ERW :Electric Resistance Welded pipe HFI:High Frequency Induction weld pipe EFW:Electric Fusion Welded Pipe Standard:API 5L, API 5CT, ASTM 53, EN10217, DIN 2458. IS 3589, JIS G3452, BS1387Certificate:API 5L PSL1/ PSL2, API 5CT Out Diameter:21.3mm - 610mmWall…

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