... : SCH20,STD,SCH40,SCH80,SCH160,XXS 4.Standard: ANSI,ASME,ASTM,JIS,DIN Stainless Steel Pipe Fittings1. Standard: ANSI B16.9 / 16.28 ... , ASTM A53/A106, API 5L, ASME B36.10M---1996, DIN2605 / 2615 / ... ,301,302,304,304L,304LN,304TI,304H,321,321H,316,316L,317,317L 1/2"-72" ANSI/ASME/ASTM/JIS/DIN Stainless Steel Cap