STP756

    High-Strength Cast Stainless Steels with Enhanced Corrosion Resistance

    Published: Jan 1982


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    Abstract

    CA6NM was a major step in the development of high-strength cast stainless steels. For severe service environments, even better mechanical and corrosion properties may be needed. To meet the requirements imposed by these environments, a group of steels containing nominally 12 to 17 percent chromium, 4 to 6 percent nickel, 0 to 2 percent molybdenum, and 0 to 2.6 percent copper has been developed and commercially produced. Heat treatment, mechanical properties, microstructures, weldability, and corrosion resistance of the alloys are described.

    Keywords:

    martensitic stainless steel, high-strength cast stainless steel, corrosion resistance, pitting potential, stainless steel castings, weldability, ferrite, martensite, austenite, microstructure, toughness, hardenability, tempering, passivation potential, corrosion fatigue, heat treatment


    Author Information:

    Crawford, JD
    Development manager, Climax Molybdenum Co., Torrance, Calif.

    Rohrig, K
    Development manager, Climax Molybdenum Gmbh, Dusseldorf,

    Bechet, S
    Development engineer, Climax Molybdenum S. A., Paris 16°,


    Paper ID: STP28450S

    Committee/Subcommittee: A01.18

    DOI: 10.1520/STP28450S


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