Stainless steel duplex pipe & Super duplex pipe:

Introduction: Our factory has 40 tons LF furnace and VOD furnace, SKW75 and KPW25 Cold Pilger Mills, Combined Sand-Belt Grinding & Polishing Working Machine set, Eddy-current & Ultrasonic Inspection Machine from Germany; HPT160 and HPT250 Cold Pilger Mills from Russia; Bright Heat-treatment Muffle Furnace from USA and other advanced machines. We can produce various seamless tubes according to GB/ASTM/ASME standard.

Grade: UNS S31803 (2205), UNS S32750(2570), SAF2304 etc.

Super duplex pipe: UNS S32750(2570)

Size range: OD: φ19-φ219mm, WT: 1.65mm-30mm,

Length: OD<89.9mm, length can be 6m; O t;89.9mm, length can be 2-3M.

Standards: ASTM/ASME, GB, EN,DIN,JIS, NFA, etc..

Application: Boiler, Heat Exchanger, Superheater, Catalysis Vessel，Catalysis Pipe， Condenser Pipe Nuclear Power Industry , Chemical Industry, Aerospace & Aviation Industry, Chemical Fiber &Fertilizer Industry , Oil & Gas Industry, Fluid Transport Industry , Structural Industry.