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Duplex Stainless Steels

  • 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

  • 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.