发明名称 HEAT-TREATED STEEL PRODUCT HAVING HIGH STRENGTH AND EXCELLENT CHEMICAL CONVERSION PROCESSABILITY, AND MANUFACTURING METHOD FOR SAME
摘要 A heat-treated steel product having high strength and excellent chemical conversion processability, characterized in that the steel product has been heated to 600 °C or above and bent, and has scales with a film thickness of at most 1 μm on the surface, wherein the scales contain FeO at a proportion of at least 90%.
申请公布号 WO2016056514(A1) 申请公布日期 2016.04.14
申请号 WO2015JP78225 申请日期 2015.10.05
申请人 NIPPON STEEL & SUMITOMO METAL CORPORATION 发明人 MATSUDA, HIDEKI;AKIOKA, KOJI;UEMATSU, KAZUO
分类号 C21D1/76;B21D7/16;C21D1/18;C21D1/74;C21D9/08;C22C38/00;C22C38/32;C23C22/12 主分类号 C21D1/76
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