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LSAW Steel Pipe(8''-48'') Product specifications Size:Outer Diameter 8"-48" Thickness:3 - 30 mm Material: C.S:20#, 45#,Q235,20G,A106B,A53B,API5L GRB, X42 X52,X56,X60,X65,X70,X80 A.S:12Cr1MoVG, ...