Duplex Stainless Steel

  • ZERON® 100

    Inventory: PlatePipeFittingsWeld WireRound BarSheet

    ZERON 100 - A highly alloyed super duplex stainless steel for use in seawater desalination and many aggressive environments. Minimum PREN of 40.
     CrNiMoCuWCNMnSiPSFe
    MIN 24.0 6.0 3.0 0.5 0.5 -- 0.2 -- -- -- -- --
    MAX 26.0 8.0 4.0 1.0 1.0 0.03 0.3 1.0 1.0 0.030 0.010 Balance

    PREN = %Cr + 3.3x%Mo + 16x%N    ZERON 100 PREN > 40

    For standards ISO 15156/NACE MR0175 and BS 4515-2 a different PREN formula including tungsten is used.  Using the formula PREN = %Cr 3.3(%Mo + 0.5x%W) + 16x%N, ZERON 100 has a  PREN > 41

  • 255

    Inventory: PlatePipeTubingRound BarSheet

    255 - Features High strength, Chloride stress corrosion cracking resistance, Lower coefficient of thermal expansion than austenitic stainless steels. Used in Pulp and paper, Chemical process, Petrochemical, Copper smelting.
     NiCrMoMnCuSiCNSPFe
    MIN 4.5 24.0 2.9 -- 1.5 -- -- 0.1 -- -- --
    MAX 6.5 27.0 3.9 1.5 2.5 1.0 0.04 0.25 0.03 0.04 Balance
  • 2205

    Inventory: PlatePipeWeld WireRound BarCoilSheet

    2205 - Duplex stainless steel with high resistance to chloride attack.
     NiCrMoMnSiCNSPFe
    MIN 4.5 22.0 3.0 - - - 0.14 - - -
    MAX 6.5 23.0 3.5 2.0 1.0 0.03 0.2 0.02 0.03 Balance
  • LDX 2101®

    Inventory: PlateWeld WireCoil

    LDX 2101 - A lean duplex stainless steel offering excellent strength, SCC resistance and economy.
     NiCrMoMnCuSiCNSPFe
    MIN 1.35 21.0 0.1 4.0 0.1 - - 0.2 - - -
    MAX 1.7 22.0 0.8 6.0 0.8 1.0 0.04 0.25 0.03 0.04 Balance

    * ASTM specification 1.50 max Si.