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 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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