A hollow stabilizer having an excellent fatigue property and higher strength compared to the conventional ones has a chemical composition containing 0.26% to 0.30% of C, 0.05% to 0.35% of Si, 0.5% to 1.0% of Mn, 0.05% to 1.0% of Cr, 0.005% to 0.05% ofTi, 0.0005% to 0.005% of B, and 0.0005% to 0.005% of Ca, wherein; Al, P, S, N, and O are limited to 0.08% or less, 0.05% or less, less than 0.0030%, 0.006% or less, and 0.004% or less, respectively, a remainder of the chemical composition consists of Fe and unavoidable impurities, a value of a product of the Mn content and the S content is 0.0025 or less, and a critical cooling rate Vc90 represented by a predetermined equation is 40°C/s or less; and wherein a metallic structure comprises a tempered martensite, a length of elongated MnS present at a center part in a thickness direction of the hollow stabilizer is 150 µm or less, a HRC is from 40 to 50, a thickness to outer diameter ratio is 0.14 or more, and a depth of a decarburized layer at an inner surface part is 20 µm or less from the inner surface; and a steel pipe for hollow stabilizers used as a material for the hollow stabilizer.


    Zugriff

    Download


    Exportieren, teilen und zitieren



    Titel :

    HOLLOW STABILIZER, AND STEEL PIPE FOR HOLLOW STABILIZERS AND METHOD FOR PRODUCTION THEREOF


    Weitere Titelangaben:

    HOHLER STABILISATOR UND STAHLROHR FÜR HOHLE STABILISATOREN UND VERFAHREN ZUR HERSTELLUNG DAVON
    STABILISATEUR CREUX, ET TUYAU D'ACIER POUR STABILISATEURS CREUX ET LEUR PROCÉDÉ DE PRODUCTION


    Beteiligte:
    ISHITSUKA TETSUO (Autor:in) / KOYUBA MOTOFUMI (Autor:in) / IWAMURA MASAMICHI (Autor:in) / TANGE AKIRA (Autor:in) / TAKAHASHI KEN (Autor:in) / KURIMOTO KIYOSHI (Autor:in) / WAKABAYASHI YUTAKA (Autor:in)

    Erscheinungsdatum :

    2018-07-25


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    B21C MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES, PROFILES OR LIKE SEMI-MANUFACTURED PRODUCTS OTHERWISE THAN BY ROLLING , Herstellen von Blechen, Metalldraht, -stangen, -rohren Metallprofilen oder Halbzeugen auf andere Weise als durch Walzen / B60G VEHICLE SUSPENSION ARRANGEMENTS , Radaufhängungen und Federungen für Fahrzeuge / C21D Veränderung der physikalischen Struktur von Eisenmetallen , MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS / C22C Legierungen , ALLOYS




    HOLLOW STABILIZER PRODUCTION METHOD AND HOLLOW STABILIZER PRODUCTION DEVICE

    KAI MORIMICHI / TANGE AKIRA | Europäisches Patentamt | 2019

    Freier Zugriff

    HOLLOW STABILIZER PRODUCTION METHOD AND HOLLOW STABILIZER PRODUCTION DEVICE

    KAI MORIMICHI / TANGE AKIRA | Europäisches Patentamt | 2017

    Freier Zugriff

    HOLLOW STABILIZER PRODUCTION METHOD AND HOLLOW STABILIZER PRODUCTION DEVICE

    KAI MORIMICHI / TANGE AKIRA | Europäisches Patentamt | 2021

    Freier Zugriff

    Electric resistance welded steel pipe for producing hollow stabilizer, hollow stabilizer, and production methods for same

    ARATANI MASATOSHI / MATSUI RYOJI / NAKATA HIROSHI et al. | Europäisches Patentamt | 2022

    Freier Zugriff