... .Wall Thickness: SCH20,STD,SCH40,SCH80,SCH160 4.Standard: ANSI,ASME,ASTM,JIS,DIN Stainless Steel Pipe Fittings1. Reducer:Eccentric and Concentric2 ... . Standard: ANSI B16.9 / 16.28, ASTM A53/A106, API 5L, ASME B36.10M---1996, DIN2605 / 2615 / 2616, JIS P2311 ... ,304TI,304H,321,321H,316,316L,317,317L SCH40 ANSI,ASME,ASTM,JIS,DIN Stainless Steel Reducer