02) Process method: cold drawn/cold pilgered 03) Surface finish: annealed/cold pilgered 04) Material: TP304, TP304L, TP310/S, TP316L, TP316/316L dual grade, TP317L, TP321, TP347 05) Standard: ASTM(ASME), EN, DIN, JIS and etc. 06) Specifications: a) O.D.: 12mm -426mm b)W.T. : 1mm ¿C 20mm c)Length: customized 07) Delivery conditions: annealed & pickled 08) Applications: for general service,for fluid and gas transport; structure and machining,oil and gas service, chemical and fertile.