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   ASTM UNS EU Foreign company commercial brand
022Cr23Ni4MoCuN   S32304 S32304 1.4362 SAF2304 (Sandvik)
022Cr22Ni5Mo3N   S31803 S31803 1.4462
022Cr23Ni5Mo3N   S32205 S32205 1.4462 SAF2205 (Sandvik)
022Cr25Ni7Mo4N   S32750 S32750 1.441 SAF2507(Sandvik)
022Cr25Ni7Mo3WCuN   S31260 S31260
03Cr25Ni6Mo3Cu2N   S32550 S32550 1.4507 UR52+
022Cr25Ni7Mo4WCuN   S32760 S32760 1.4501 Zeron100
00Cr27Ni7Mo5N   S32707 S32707 SAF2707(Sandvik)