Description:Features: 1) Alloy steel and heat resistant steel tubes: a) Standard: ASTM (ASME) b) Grades: T91, P91, P11, TP309S, TP310S, P2, T2, P12, T12, P22, T22, P5, T5, TP347H, TP347 c) Outer diameter: 25mm to 75mm d) Thickness: 1.5mm to 6mm e) Length: max. 18m 3) We also produce other specifications according to 4) OEM available 5) Foreign standards implemented: ISO, DIN, JIS, ASTM (ASME) Juxing follows the quality standard of ISO9001:2000, and carry out its production under strict standards of GB/T; ASTM/ASME; DIN and JIS. Models: 304(L), 316(L), 321, 317L, T91 T1, P91, P22, P11, P5 Packing: Bundles, seaworthy wooden cases or according to customers\' requirements