1.Stainless Steel Reducer 2.Size: 1/2"-72" 3.Wall Thickness: SCH20,STD,SCH40,SCH80,SCH160 4.Standard: ANSI,ASME,ASTM,JIS,DIN ... / 2615 / 2616, JIS P2311/23123. Size: 1/2"-72"4. Wall Thickness: SCH20,STD,SCH40,SCH80,SCH160,XXS5. Material: 201,202,301 ... ,304L,304LN,304TI,304H,321,321H,316,316L,317,317L SCH40 ANSI,ASME,ASTM,JIS,DIN Stainless Steel Reducer