TS: 980 MPa or more, to provide a thin steel sheet, a coated steel sheet and a hot-rolled steel sheet, a cold-rolled full-hard steel sheet and a thin steel sheet excellent in bendability and plating ability. And contains at least one selected from the group consisting of Ti: 0.003 to 0.100%, Nb: 0.003 to 0.100%, and Mo: 0.005 to 0.500%. 0 to 80% of polygonal ferrite, 20 to 100% of martensite and bainite and retained austenite in total in the range of 20 m in the plate thickness direction from the surface, and 20 m in the plate thickness direction [Mn] SM in the martensite present: [Mn] Mn and the amount of Mn in the bulk: [Mn] B is [Mn] SM / [Mn] B 1.5, It is 20 to 50% of the zite.
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机译：TS：980MPa以上，从而提供弯曲性及镀敷性优异的薄钢板，涂膜钢板，热轧钢板，冷轧全硬钢板和薄钢板。并且含有选自Ti：0.003〜0.100％，Nb：0.003〜0.100％，Mo：0.005〜0.500％中的至少一种。在从表面到板厚方向的20 m范围内，从板厚方向的20 m范围内，多边形铁素体的0〜80％，马氏体和贝氏体以及残留奥氏体的总数为20〜100％[Mn] 马氏体中存在的SM ：[Mn] Mn和大块中的Mn量：[Mn] B 为[Mn] SM / [Mn] B 1.5，是Zite的20％到50％。
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