An electric resistance welded steel pipe for manufacturing a hollow stabilizer has a Rankford value in a pipe longitudinal direction of from 0.7 to less than 1.0. The electric resistance welded steel pipe is subjected to cold bending and then to a heat treatment including quenching and tempering to manufacture a stabilizer. The cold bending is cold rotary draw bending. When bent with a bend radius of from 1.0 times to 3.0 times an outer diameter of the pipe before cold bending, a flattening ratio is from 0% to 10%, a thickness reduction rate on a bending outside and a thickness increase rate on a bending inside are from 0% to 10%, and additionally, a circumferential length change of a bending center portion is from 0% to 10%. A Vickers hardness of the stabilizer after the heat treatment is adjusted to from 400 HV to less than 580 HV.


    Zugriff

    Download


    Exportieren, teilen und zitieren



    Titel :

    ELECTRIC-RESISTANCE-WELDED STEEL PIPE FOR PRODUCING HOLLOW STABILIZER, HOLLOW STABILIZER, AND METHOD FOR PRODUCING SAME


    Beteiligte:
    ARATANI MASATOSHI (Autor:in) / MATSUI RYOJI (Autor:in) / KONDO TOMONORI (Autor:in) / KOKUBO SHINSAKU (Autor:in)

    Erscheinungsdatum :

    2021-09-02


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    B60G VEHICLE SUSPENSION ARRANGEMENTS , Radaufhängungen und Federungen für Fahrzeuge / 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 / B21D WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL , Bearbeiten oder Verarbeiten von Blechen, Metallrohren, -stangen oder -profilen ohne wesentliches Abtragen des Werkstoffs / B23K Löten , SOLDERING OR UNSOLDERING / C21D Veränderung der physikalischen Struktur von Eisenmetallen , MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS / C22C Legierungen , ALLOYS



    ELECTRIC-RESISTANCE-WELDED STEEL PIPE FOR PRODUCING HOLLOW STABILIZER, HOLLOW STABILIZER, AND METHOD FOR PRODUCING SAME

    ARATANI MASATOSHI / MATSUI RYOJI / KONDO TOMONORI et al. | Europäisches Patentamt | 2020

    Freier Zugriff

    ELECTRIC-RESISTANCE-WELDED STEEL PIPE FOR PRODUCING HOLLOW STABILIZER, HOLLOW STABILIZER, AND METHOD FOR PRODUCING SAME

    ARATANI MASATOSHI / MATSUI RYOJI / KONDO TOMONORI et al. | 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 | 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

    METHOD FOR PRODUCING HOLLOW STABILIZER

    WAKABAYASHI YUTAKA / TAKAHASHI KEN / SUGAWARA MASATO et al. | Europäisches Patentamt | 2019

    Freier Zugriff