STP1195

    Use of Rotary Continuous Cast Steel for Production of Tubes for Bearing Applications

    Published: Jan 1993


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    Abstract

    ASCOMETAL recently improved its steelmaking processes with the installation of new secondary metallurgy equipment (Ladle Furnace and RH degasser) and by the application of continuous casting to the production of bearing steels (AISI/SAE 52100). Such material, after rolling, is used by VALTI to produce seamless tubes for bearing producers. Thorough investigations were performed on such products including rolling contact fatigue tests. They showed that Rotary Continuous Cast (RCC) steels were at least equivalent to high-quality ingot materials, and that very high rolling contact fatigue properties can be achieved by proper and careful design of the overall process route, including continuous casting.

    Keywords:

    bearing steels, continuous cast (CC) steel, ingot cast steel, tubing, rolling contact fatigue, cleanliness


    Author Information:

    Baudry, G
    USINOR-SACILOR/IRSID Unieux, Firminy,

    Duplomb, G
    USINOR-SACILOR/ASCOMETAL, Usine de FOS, Fos Sur Mer,

    Giroud, G
    USINOR-SACILOR/ASCOMETAL, Usine de DUNES, Dunkerque,

    Saleil, J
    USINOR-SACILOR/ASCOMETAL, Direction de la Recherche, Saint-Etienne,

    Jacob, G
    VALTI, Montbard,


    Paper ID: STP24842S

    Committee/Subcommittee: A01.28

    DOI: 10.1520/STP24842S


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