In a cross section of the hub part of the railway wheel, obtained when the hub part is cut in a central axis direction of the through hole along a plane including a central axis, when regions of 15 mm×15 mm defined by a plurality of axial line segments parallel to the central axis and arranged at a pitch of 15 mm in a radial direction from an inner peripheral surface of the through hole, and by a plurality of radial line segments perpendicular to the central axis and arranged at a pitch of 15 mm in the central axis direction from a surface of the hub part in which an opening of the through hole is formed are defined as rectangular regions, the average C concentration in each rectangular region in the cross section of the hub part is less than 0.90% by mass.


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    Title :

    RAILWAY WHEEL


    Contributors:

    Publication date :

    2024-06-06


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    C22C Legierungen , ALLOYS / B60B VEHICLE WHEELS , Räder für Fahrzeuge



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