发明公开
- 专利标题： SURFACE TREATED STEEL SHEET HAVING EXCELLENT CORROSION RESISTANCE AND METHOD FOR PRODUCING THE SAME
- 专利标题（中）： 随着对优良的耐腐蚀性和方法表面处理钢板及其
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申请号： EP99954400申请日： 1999-11-05
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公开(公告)号： EP1050603A4公开(公告)日： 2004-12-29
- 发明人: YOSHIMI NAOTO , ANDO SATORU , SAGIYAMA MASARU , FURUTA AKIHIKO , YAMASHITA MASAAKI , MATSUZAKI AKIRA , YAMAJI TAKAFUMI , MIYOSHI TATSUYA , KUBOTA TAKAHIRO , HARUTA YASUHIKO , MATSUKI HIROYASU , TOMITA KENICHI
- 申请人： JFE STEEL CORP
- 专利权人： JFE STEEL CORP
- 当前专利权人： JFE STEEL CORP
- 优先权： JP33204998 1998-11-08; JP12360099 1999-04-30
- 主分类号： B05D5/00
- IPC分类号： B05D5/00 ; B05D7/00 ; C09D5/08 ; C09D5/10 ; C23C22/12 ; C23C28/00 ; C23C22/40 ; B05D7/14 ; C09D1/00 ; C09D7/12 ; C09D201/02
摘要：
A surface treated steel plate having excellent corrosion resistance which comprises a steel sheet plated with a zinc-based metal or aluminum-based metal, a composite oxide coating film formed on the metal-plated steel, and an organic coating film formed on the composite oxide coating film, wherein the composite oxide coating film contains oxide particles and phosphoric acid and/or a phosphoric acid derivative, and the organic coating film has a film thickness of 1 to 5 νm.
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