The invention provides wire rod excellent in drawability and steel wire made from the wire rod as starting material with high productivity at good yield and low cost. A hard steel wire rod of a specified composition is hot rolled, the hot-rolled steel is coiled in a specified temperature range, and the coiled steel is subjected to patenting at a predetermined cooling rate, thereby affording a high-carbon steel wire excellent in workability. It is high-strength steel wire excellent in drawability comprising a pearlite structure of an area ratio of 97% or greater and the balance of non-pearlite structures including bainite, degenerate-pearlite and pro-eutectoid ferrite and having a pearlite block size of not less than 20 µm and not greater than 45 µm. The invention also provides a high-carbon steel wire excellent in ductility, which is manufactured by subjecting the wire rod to intermediate patenting and cold drawing and has a tensile strength of 2800 MPa or greater.


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    Titel :

    HIGH-STRENGTH WIRE ROD EXCELLING IN WIRE DRAWABILITY AND PROCESS FOR PRODUCING THE SAME


    Weitere Titelangaben:

    WALZDRAHT MIT HERVORRAGENDER TIEFZIEHFÄHIGKEIT UND HOHER FESTIGKEIT SOWIE HERSTELLUNGSVERFAHREN
    FIL MACHINE À RÉSISTANCE ÉLEVÉE PRÉSENTANT UNE EXCELLENTE APTITUDE AU TRÉFILAGE ET PROCÉDÉ DE FABRICATION DE CELUI-CI


    Beteiligte:
    YAMASAKI SHINGO (Autor:in) / NISHIDA SEIKI (Autor:in) / KIKUCHI MAKIO (Autor:in)

    Erscheinungsdatum :

    2019-02-13


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    C22C Legierungen , ALLOYS / B60C VEHICLE TYRES , Fahrzeugreifen / C21D Veränderung der physikalischen Struktur von Eisenmetallen , MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS / D07B ROPES OR CABLES IN GENERAL , Seile oder Kabel allgemein



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