发明名称 |
Al-PLATED STEEL SHEET USED FOR HOT PRESSING AND METHOD FOR MANUFACTURING Al-PLATED STEEL SHEET USED FOR HOT PRESSING |
摘要 |
[Object] To provide an Al-plated steel sheet used for hot pressing that has excellent lubricity in hot state, corrosion resistance after paint coating, and spot weldability.;[Solution] An Al-plated steel sheet used for hot pressing according to the present invention includes: a steel sheet; an Al plating layer formed on one surface or both surfaces of the steel sheet; and a surface coating layer formed on the Al plating layer. The surface coating layer contains a zinc compound, and the zinc compound is deposited on the Al-plated steel sheet in an amount of equal to or greater than 0.3 g/m2 and equal to or less than 1.5 g/m2 as an amount of metallic zinc per one surface, and a zinc deposition amount in any continuous 1 mm2 region is 1.5 g/m2 or less. |
申请公布号 |
US2016362794(A1) |
申请公布日期 |
2016.12.15 |
申请号 |
US201415103152 |
申请日期 |
2014.12.10 |
申请人 |
NIPPON STEEL & SUMITOMO METAL CORPORATION |
发明人 |
FUJITA Soshi;YAMANAKA Shintaro;MAKI Jun;FUJIMOTO Hiroki;OIKAWA Hatsuhiko;IRIKAWA Hideaki |
分类号 |
C23C22/66;C22C38/06;C22C38/04;C22C38/02;B21D35/00;C22C21/02;C23C2/12;C23C2/20;C23C2/40;B21D22/02;C22C38/14;C22C38/00 |
主分类号 |
C23C22/66 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
Tokyo JP |