
ASTM A789 Super Duplex 2507 Seamless Pipe for Seawater Desalination. High Precision Tolerance: Diameter tolerance up to 0.3%D and wall thickness up to 3%S for seamless tubes. Bright Annealing Process: Closed furnace with argon/nitrogen protection ensures clean, oxide-free surface. Wide Material Selection: Supply 304, 316L, 904L, 2205, 2507, Nickel Alloys, Titanium, and more. Advanced Manufacturing: Equipped with high-speed multi-roll mills and automatic heat piercing lines. Comprehensive Testing: Full inspection including spectrometer, ultrasonic, eddy current, and hydrostatic tests. Multiple Certifications: ISO9001, ISO14001, ISO45001, PED, TUV, BV, CCS, LR, ABS, DNV-GL certified. Versatile Applications: Ideal for marine, aerospace, oil/gas, chemical, and hydraulic systems. 30+ Years Experience: Over 30 years of manufacturing experience in stainless steel and alloy pipes.