| 申请日期 | 2025-07-07 | 申请号 | JP2000221673 |
| 公开（公告）号 | JP4532690B2 | 公开（公告）日 | 2010-08-25 |
| 公开国别 | JP | 申请人省市代码 | 全国 |
| 申请人 | Nippon Steel Corporation6655 | ||
| 简介 | PROBLEM TO BE SOLVED : To provide a metal material having a resinous corrosion-resistant layer, having corrosition resistance in a naked state or after coating equal to or more than that of a conventional chromate film without using hexavalent chromium at all and showing excellent processability. SOLUTION : The metal material has the resinous corrosion-resistant layer, which is based on a group IVA metal compound, a rare earth metal compound and a resin, provided on its surface. | ||
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