Product Description 1) Commodity name: seamless austenitic stainless steel boiler, superheater and heat-exchanger tubes 2) Process method: cold drawn/cold rolling 3) Surface finish: annealed/cold rolling 4) Material: TP304, TP304L, TP310/S, TP316L, TP316/316L, TP317L, TP321, 5) Standards: ASTM (ASME) SA/A213/M Application: Petroleum, chemical industry, chemical fiber, smelt, medical machinery, papermaking, heat preservation and refrigeration, Mechanical equipment, food, electricity, water conservancy, architecture, Aerospace, navigation shipbuilding, environmental protection and Boiler heat exchanger 6) Size: a) O.D.: 1/4" to 3" b) W.T.: 10BWG, 12BWG, 14BWG, 16BWG, 18BWG, 20BWG, 22BWG 7) Length: max.13 meters 8) Delivery conditions: annealed and pickled 9) Applications: for fluid and gas transport; structure and machining 10) Packing: Seaworthy wooden cases