In the present invention, crawler links (7, 8), which are crawler parts, are made of a steel having a specific constituent composition and comprise high hardness parts (7A, 8A) having a hardness of 57-60 HRC and low hardness parts (7B, 8B). The high hardness parts (7A, 8A) contain: a first matrix phase which contains a martensite phase and a retained austenite phase; and first non-metallic particles which are dispersed in the first matrix phase and contain at least one type selected from the group consisting of MnS, TiCN and NbCN. The high hardness parts do not contain a M


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    Title :

    Crawler part and method for producing same


    Contributors:

    Publication date :

    2022-03-31


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    C22C Legierungen , ALLOYS / B62D MOTOR VEHICLES , Motorfahrzeuge / C21D Veränderung der physikalischen Struktur von Eisenmetallen , MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS



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