Alloy 188/R30188

  1. Brief introduction:

    A Cobalt-based alloy with excellent high temperature strength and good oxidation resistance to 2000℉(1093℃).

    It has good sulfidation resistance and excellent metallurgical stability displayed by it's ductility after prolonged exposure to elevated temperatures.

    It's used in typical gas turbine appplications such as combustor, flame holders, liners and transition ducts.


  2. Main specifications:

    UNSUSA
    R30188Udimet alloy 188


  3. Chemical composition under AMS5608 standard:

    Gradechemical composition,%
    NiCrCoWMnLaSiCFeBSP
    alloy 18820.0-24.020.0-24.0Remainder13.0-16.0≤1.250.02-0.120.2-0.50.05-0.15≤3.0≤0.015≤0.015≤0.02


  4. Main product types:

    forging,extruded section,bar,sheet/plate.


  5. Main produce standards:

    Rod,Bar, Forging,RingPlate/Sheet/Strip
    AMS5772AMS5608