A method for manufacturing a railway vehicle wheel is provided. The method comprises: in an electric heating furnace or converter, preparing steel containing, in mass %. 0.65% to 0.84% of C, 0.1% to 1.5% of Si, 0.05% to 1.5% of Mn, 0.025% or less of P, 0.015% or less of S, 0.001% to 0.08% of Al, and 0.05% to 1.5% of Cr, the balance being Fe and incidental impurities; casting the steel to obtain a material; hot rolling and/or hot forging the material to form a wheel; heating the wheel to Ac3 point +50° C. or higher; cooling the wheel from a start temperature of 700° C. or higher to a stop temperature of 500° C. to 650° C. at a rate of 1° C./s to 10° C./s; and then air cooling the wheel.


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    Titel :

    METHOD FOR MANUFACTURING RAILWAY VEHICLE WHEEL


    Beteiligte:
    KIMURA TATSUMI (Autor:in) / IWAMOTO TAKASHI (Autor:in) / ENDO SHIGERU (Autor:in) / HONJO MINORU (Autor:in) / ICHIMIYA KATSUYUKI (Autor:in) / HASE KAZUKUNI (Autor:in) / TOKUNAGA KAZUYA (Autor:in)

    Erscheinungsdatum :

    07.11.2019


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    C22C Legierungen , ALLOYS / B60B VEHICLE WHEELS , Räder für Fahrzeuge / C21D Veränderung der physikalischen Struktur von Eisenmetallen , MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS



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