1.Carbon Steel Reducer 2.Size: 1/2"-72" 3.Wall Thickness: SCH20,STD,SCH40, ... 4.Standard: ANSI,ASME,ASTM,JIS,DIN Carbon Steel Reducers1. Reducer: Eccentric and Concentric2. Standard: ANSI B16.9 / 16. ... 1996, DIN2605 / 2615 / 2616, JIS P2311/23123. Size: 1/2"-72"4. Wall Thickness: SCH20,STD,SCH40,SCH80,SCH160 ... hot galvanizing or as customer's special requirement 1/2"-72" ANSI,ASME,ASTM,JIS,DIN Carbon Steel ...