PROBLEM TO BE SOLVED: To provide a high durability steel for a stabilizer in which cost reduction is achieved, and further, in a production process gentle for the global environment, excellent in cold temperature-low temperature toughness at the tensile strength of a 1,200 Mpa class or higher.SOLUTION: Provided is a steel for a stabilizer obtained by molding and quenching a steel having a prescribed componential composition, in which, particularly, the total of a Cu amount and an Ni amount is controlled to 0.15 mass% or higher, and the balance Fe with inevitable impurities into a stabilizer shape, and the crystal grain size thereafter lies in the range of 7.5 to 10.5 in an old austenite grain size number.

    【課題】コストダウンはもとより、地球環境にやさしい製造工程にて、引張強さ:1200MPa級以上で優れた常温・低温靭性を有する高耐久性のスタビライザー用鋼を提供する。【解決手段】所定の成分組成を有し、特に、Cu量+Ni量を0.15質量%以上とし、残部がFeおよび不可避的不純物からなる鋼を、スタビライザー形状に成形して焼入れた後の結晶粒度が、旧オーステナイト粒度番号で7.5〜10.5の範囲とする。【選択図】なし


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    Titel :

    STEEL FOR STABILIZER HAVING HIGH STRENGTH AND EXCELLENT IN CORROSION RESISTANCE, STABILIZER FOR VEHICLE USING THE SAME, AND METHOD FOR PRODUCING THE SAME


    Weitere Titelangaben:

    高強度で耐食性に優れたスタビライザー用鋼と、それを用いた車両用スタビライザーおよびその製造方法


    Beteiligte:
    FUKUOKA KAZUAKI (Autor:in) / TOMITA KUNIKAZU (Autor:in) / TANGE AKIRA (Autor:in) / KURIMOTO KIYOSHI (Autor:in) / GOTO YURIKA (Autor:in)

    Erscheinungsdatum :

    22.10.2015


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Japanisch


    Klassifikation :

    IPC:    C22C Legierungen , ALLOYS / B60G VEHICLE SUSPENSION ARRANGEMENTS , Radaufhängungen und Federungen für Fahrzeuge / C21D Veränderung der physikalischen Struktur von Eisenmetallen , MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS



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