Specifications: 1) Type: austenitic 2) Process method: cold drawn and cold rolled 3) Outside diameter: from 6 to 650mm 4) Thickness: schedule 10S, 40S, 80S, 160, XXS 5) Grades: TP304, 304L, 321,316, 316L, 321, 310S, 317L, 347, 347H, 304H, 321H, 304LN 6) Standards: ASTM (ASME), A213/A213M (SA213/SA213M), A269/A269M, A312/A312M (SA312/SA312M), A1016/A1016M 7) Inspection: eddy current controller, ultrasonic flaw detector and direct-read spectrum 8) Surface: pickled and annealed 9) Our production equipment: a) Medium frequency induction furnace (made in USA): 2 x 30 tons b) Electric arc furnace: 1 x 30 tons c) Argon-oxygen decarbonization: 2 x 30 tons d) piercing lines: 4 lines (diameter: from 50 to 240mm) e) Cold drawing lines: 18 lines (diameter: from 6 to 650mm) f) Cold rolling lines: 6 lines (diameter: from 16 to 159mm)