Features: 1) Commodity name: seamless austenitic alloy-steel boiler, superheater and heat-exchanger tubes 2) Process method: cold drawn/cold pilgered 3) Surface finish: annealed/cold pilgered 4) Material: TP304, TP304L, TP310/S, TP316L, TP316/316L dual grade, TP317L, TP321, TP347 5) Standards met: ASTM (ASME) SA/A213/M 6) Size: a) O.D.: 1/4 to 12 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 etc. (for industry) Inner packing: 1pc/plastic bag Outer packing: 1pc/plastic bag seaworthy wooden cases