ASTM A733 Pipe: ASTM A312 Thread: ANSI/ASME B1.20.1 Size: 1/8" to 6" Available for 1. Extra Heavy Seamless/Welded Steel Pipe Nipples SCH#80 2. Steel Conduit Nipples 3.Ready Cut Pipes 4. Stainless steel couplings .Bar Coded Nipple with Display Boxes 2. Bar Coded Nipples with Bags 3. Bulk Nipples 25 piece per inner box) 4. Single Nipple Runs (1 piece each Close to 6") 5. Handy Nipple Tote Kits