Features: 1) Commodity name: seamless austenitic alloy-steel boiler, superheated and heat-exchanger tubes 2) Process method: cold drawn 3) Surface finish: annealed 4) Materials: TP304, TP304L, TP310/S, TP316L, TP316/316L dual grade, TP317L, TP321, TP347 5) Standards: ASTM (ASME) SA / A213 / M 6) Sizes: 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 Inner packing: 1pc/plastic bag Outer packing: Seaworthy wooden cases