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Seamless carbon steel pipe for liquid and petroleum Standard: API 5L, API 5CT, AST...
SSAW steel pipe is adopt the Double Side Spiral Submerged Arc Weld technology. Physic...
Process: Electric Resistance Welded Steel Pipe Standard: API 5L, API 5CT, ASTM 53, E...
Process: Longitudinal Submerged-Arc Welded Steel Pipe LSAW - UO(UOE)、RB(RBE)、JCO(JC...