1.Stainless Steel Seamless Tubes 1) Grade: TP304/ TP304L/ TP316L/ TP321/ 301/ 201/ 202 2) Standards: ASTM A312/ A269/ A213 3) O.D.: 6-508mm( NPS: 1/ 8" -20" ) 4) Thickness: 0.89-30mm( SCH 5S-160S according to ANSI B36.10; 36.19) 5) Length: 3-11.8m according to customer' s request. 6) Surface: Annealed/ Pickled/ Polished 7) Ends: Plain ends or bevel ends 7) Packing: Wooded crate, or in bundle wrapper by knitting 8) Delivery time: Within about 30-45 days