Stainless Steel Tubing/Pipes, Ep/Ba Stainless Steel Tubing/Pipes, European Standard En10217-7 En10216-5en10305-1 manufacturer / supplier in China, offering S32750 Super Duplex Stainless Steel Round Pipe, Compliant with ASTM A789/A790 Standards, with 2b Cold-Rolled Surface Finish, Stainless Steel Round Pipe Designed for Oil and Gas Subsea Pipelines and Chemical Processing in High-Concentration Chloride, High-Temperature, and High-Pressure, S31803 Duplex Stainless Steel Round Pipe, Produced in Shandong, China, Compliant with Uns S31803 / 1.4462 Standard, with Pickling Surface and so on.