Desc: Product IntroductionASTMStandard for seamless steel pipeExecutive StandardGrade / MaterialProduct NameASTM A53A, BBlack and Hot-Dipped Zinc-Coated St...
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Desc:Basic Info.Model NO.12mm-930mmTypeSeamlessTechnique Hot Rolled Material Carbon Steel Surface Treatment Black UsagePipeline Transport, Boiler Pipe, Hyd...
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