Progress of hot metal treatmenttechnology and future outlook

Yuji Ogawa, Nobuhiro Maruoka

    研究成果: Review article査読

    13 被引用数 (Scopus)


    Progress of hot metal treatment technology in Japan and scientific researches which supported the technology are outlined. To meet the increasingly severe customer requirements for steel properties, integrated steelmakers developed technologies for purifying molten steel,centering on the divided refining process, consisting of hot metal treatment, BOFdecarburization and secondary refining. The hot metal treatment processes were put intopractice at almost all steelworks in the 1980 s. Since the 1990 s, all companies have improved and restructured the hot metal treatment facilities, aiming at not only improvement of refining efficiency so as to achieve a higher degree of purity steel with higher productivity at lower cost, but also reduction in slag volume with the environmental problems taken into consideration. The directions in which hot metal treatment technology is to be pursued in the future are also commented briefly.

    ジャーナルTetsu-To-Hagane/Journal of the Iron and Steel Institute of Japan
    出版ステータスPublished - 2014 4 14

    ASJC Scopus subject areas

    • Condensed Matter Physics
    • Physical and Theoretical Chemistry
    • Metals and Alloys
    • Materials Chemistry

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