1.Carbon Steel Reducer 2.Size: 1/2"-72" 3.Wall Thickness: SCH20, ... ,SCH80,SCH160,XXS 4.Standard: ANSI,ASME,ASTM,JIS,DIN Carbon Steel Reducers1. Reducer: Eccentric and Concentric2. Standard: ANSI B16.9 / 16 ... special requirement 1/2"-72" ANSI,ASME,ASTM,JIS,DIN Carbon Steel Reducer