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    PHOSPHATE-TREATED ELECTROGALVANIZED STEEL SHEET EXCELLENT IN CORROSION RESISTANCE AND COATING SUITABILITY
    1.
    发明公开
    PHOSPHATE-TREATED ELECTROGALVANIZED STEEL SHEET EXCELLENT IN CORROSION RESISTANCE AND COATING SUITABILITY 有权
    PROCESS FOR具有优良的耐腐蚀性和适用性用于涂覆PRODUCING磷酸盐处理的电镀锌钢板

    公开(公告)号：EP1213368A1

    公开(公告)日：2002-06-12

    申请号：EP00927849.0

    申请日：2000-05-23

    申请人： NIPPON STEEL CORPORATION

    发明人： Ishizuka, Kiyokazu, Nippon Steel Corporation ,  Shindo, Hidetoshi, Nippon Steel Corporation ,  Hayashi, Kimitaka, Nippon Steel Corporation

    IPC分类号： C23C22/22 ,  C23C22/07 ,  C23C22/18

    CPC分类号： C23C22/368 ,  C23C22/184 ,  C23C22/188 ,  C23C22/365 ,  C23C22/83 ,  Y10T428/12799

    摘要： The present invention provides phosphate-treated galvanized steel sheet excellent in corrosion resistance and paintability, including:

    a phosphate-treated galvanized steel sheet excellent in corrosion resistance and paintability, comprising a phosphate film in an amount of at least 0.5 g/m 2 , containing at least 2 wt.% of Mg, and at least 0.5 wt.% in total of Ni and/or Mn, with at least 4 wt.% in total of Mg and Ni and/or Mn, formed on a zinc or zinc alloy plated steel sheet; and a phosphate-treated galvanized steel sheet excellent in corrosion resistance and paintability, comprising a phosphate film in an amount of at least 0.3 g/m 2 , preferably at least 1 g/m 2 , containing at least 2 wt.% of Mg, and at least 0.5 wt.% in total of Ni and/or Mn, with at least 5 wt.% in total of Mg and Ni and/or Mn, formed on a zinc or zinc alloy plated steel sheet.

    摘要翻译： 本发明提供的耐腐蚀性和涂料能力磷酸盐处理镀锌系钢板优良，其中包括：在耐蚀性和油漆能力的磷酸盐处理镀锌系钢板优良，在至少为0.5g / m量的包含磷酸盐膜在<2> 含有至少2重量的Mg％，和至少0.5％（重量）在总的Ni和/或Mn，具有至少4重量％的总Mg和Ni和/或Mn的，形成于锌或 锌合金镀层钢板; 和磷酸盐处理镀锌钢板的耐腐蚀性优异和油漆能力，在至少为0.3克/米<2>量的包含磷酸盐膜中，优选至少为1g / m <2>，含至少2wt。 的Mg％，和至少0.5％（重量）在总的Ni和/或Mn的，在总Mg和Ni和/或Mn中的至少5重量％，形成于锌或锌合金镀覆钢板。