Standards:GB/AMSE/ANSI B16.9/B 16.28 Types:reducer,A234 WPB Dimensions: 1"up to 16" wall thickness:Sch10 up to STD/XS Product Carbon steel reducersSize 1"-16"MaterialWPB A234, or according to customer s requirement.Type Butt-welded seamless carbon steel pipe reducersWall thickness SCH10, SCH20,SCH30, SCH40,STD,SCHXS, SCH80, SCH120, SCH160, SCH XXS.Standard ASME/ANSI B16.9, JISApplication Oil, ...