1.Product name:Socket Welding Flange 2.Size:DN150-DN350 3.Material:Alloy steel ... .standard:ANSI 5.place of origin:ShangHai 1.Product name:Socket Welding Flange2.Size:DN150-DN3503.Material:Alloy steel4.standard:ANSI5 ... ,15CrMo,1Cr5Mo,10CrMo910,13CrMoV44-5 and so onCarbons:A53GrB,A106GrB,10#,20#,45#,16Mn,16MnR,A333Gr6,A105,F11,F22,F9,F5 ... not ok,I will product new,or return the money Socket Welding Flange