... 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 ... 202,301,302,304,304L,304LN,304TI,304H,321,321H,316,316L,317,317L SCH40 ANSI,ASME,ASTM,JIS,DIN Stainless Steel Reducer