1.Stainless Steel Cap 2.Size: 1/2"-72" 3.Wall Thickness: SCH20,STD,SCH40,SCH80,SCH160,XXS 4.Standard: ANSI, ... / 2615 / 2616, JIS P2311/23122. Size: 1/2"-72"3. Wall Thickness: SCH20,STD,SCH40,SCH80,SCH160,XXS4. Material: 201,202 ... 1/2"-72" ANSI/ASME/ASTM/JIS/DIN Stainless Steel Cap