... ,SCH80,SCH160,XXS 4.Standard: ANSI,ASME,ASTM,JIS,DIN Stainless Steel Pipe Fittings1. Standard: ANSI B16.9 / 16.28, ASTM A53/A106, API ... "-72"3. Wall Thickness: SCH20,STD,SCH40,SCH80,SCH160,XXS4. Material: 201,202,301,302,304,304L,304LN,304TI,304H,321 ... ,321H,316,316L,317,317L 1/2"-72" ANSI/ASME/ASTM/JIS/DIN Stainless Steel Cap