As the duplex and super duplex stanless steel has both the advantages of ferritic stainless steel and the austenitic stainless steel, they are widely used to produce heat transferring tubing for petrochemical industry, sea water treatment… in aggressive acidic, chloride containing environments. VICSS  supply customer duplex/super duplex tubes with high quality. Grade: UNS S31803, S32205, S632750, S32760, S32707…

  • Applications: Heater, Heat Exchanger, Condenser, Instrumentation, Pipe Lines…
  • Avaliable Standards:  ASTM/ASME A/SA789; ASTM/ASME A/SA790
  • Specification:                                  OD: Φ6-Φ530mm, WT: 0.5-60mm; Length: up to 35m.
(Super)Duplex Stainless Steel Pipe / Tube
China Grade ASTMUNSEUForeign company commercial brand
022Cr23Ni4MoCuN S32304S323041.4362SAF2304 (Sandvik)
022Cr22Ni5Mo3N S31803S318031.4462
022Cr23Ni5Mo3N S32205S322051.4462SAF2205 (Sandvik)
022Cr25Ni7Mo4N S32750S327501.441SAF2507(Sandvik)
022Cr25Ni7Mo3WCuN S31260S31260
03Cr25Ni6Mo3Cu2N S32550S325501.4507UR52+
022Cr25Ni7Mo4WCuN S32760S327601.4501Zeron100
00Cr27Ni7Mo5N S32707S32707SAF2707(Sandvik)