Materials: 304, 304L, 304H, 316/316L, 316Ti, 317, 317L, 321, 321H, 309S, 310, 310S, 347, 347H, 904L, Duplex steel S31803(2205), S3275 (2507), Inconel600, 625, Incoloy800/800H and 825
Process method: cold drawn or pilgered
Surface finish: annealed or cold pilgered
Wall thickness: 45mm or customized
Outer diameter: 530mm or customized
Customized lengths are welcome
Suitable for boiler and heat exchanger
Standards: GB, JIS, ASTM/ASME, EN, DIN and GOST