Haynes 242

Short Introduction:

HAYNES 242 alloy has very good forming and welding characteristics in the annealed condition. It may be forged or otherwise hot-worked by conventional techniques, and it is readily cold formable. Welding may be performed in the annealed condition by standard gas tungsten arc (GTAW) or gas metal arc (GMAW) techniques.

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    Description

    Haynes 242

    Material grades and equivalents : Haynes 242/ UNS N10242

    Chemical composition of HAYNES 242:

    Ni

    Co

    Cr

    Mo

    Zr

    60

    2.5

    8

    25

    -

    HAYNES 242's Characteristic as below：

    • Haynes 242 alloy is an age-hardenable nickel-molybdenum chromium alloy which derives its strength from a long-range ordering reaction upon aging. It has tensile and creep strength properties up to 1300°F (705°C) which are as much as double those for solid solution strengthened alloys, but with high ductility in the aged condition. The thermal expansion characteristics of 242 alloy are much lower than those for most other alloys, and it has very good oxidation resistance up to 1500°F (815°C). Other attractive features include excellent low cycle fatigue properties, very good thermal stability, and resistance to high-temperature fluorine and fluoride environments.

    Processing conditions and application of HAYNES 242:

    • HAYNES 242 alloy has very good forming and welding characteristics in the annealed condition. It may be forged or otherwise hot-worked by conventional techniques, and it is readily cold formable. Welding may be performed in the annealed condition by standard gas tungsten arc (GTAW) or gas metal arc (GMAW) techniques.

     

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