TS590N/mm2 hot rolled steel showing a good balance of stretch formability and stretch flangeability has been newly developed for manufacturing high strength automotive parts. A laboratory study revealed that an introduction of a small amount of martensite in ferrite · bainite microstructure remarkably improves uniform elongation of ferrite · bainite steel giving little influence on its good localized elongation. Characteristics in ductile property of this “Tri-Phase” type steel were confirmed in press forming tests.


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    Title :

    Formability of TS590 N/mm2 “Tri-Phase” Hot Rolled Steel


    Additional title:

    Sae Technical Papers


    Contributors:
    Shirasawa, H. (author) / Mimura, K. (author) / Inoue, N. (author) / Yokoi, T. (author) / Shibata, Z. (author)

    Conference:

    International Congress & Exposition ; 1993



    Publication date :

    1993-03-01




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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