发明申请
- 专利标题： METHOD FOR PRODUCING SHAPED ELEMENTS FROM SHEET STEEL GALVANIZED ON ONE OR BOTH SIDES
- 专利标题（中）： 在一个或两个边上生产形状元素的方法
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申请号： US13133053申请日： 2009-11-23
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公开(公告)号： US20110236716A1公开(公告)日： 2011-09-29
- 发明人: Stephan Hüffer , Helmut Witteler , Karl-Heinz Stellnberger , Martin Fleischanderl
- 申请人： Stephan Hüffer , Helmut Witteler , Karl-Heinz Stellnberger , Martin Fleischanderl
- 申请人地址： DE Ludwigshafen
- 专利权人： BASF SE
- 当前专利权人： BASF SE
- 当前专利权人地址： DE Ludwigshafen
- 优先权： EP08170656.6 20081204
- 国际申请： PCT/EP09/65620 WO 20091123
- 主分类号： B23K31/02
- IPC分类号： B23K31/02 ; B32B15/04 ; G01N17/00 ; B23P17/00 ; B21D31/00
摘要：
A method of producing shaped articles made from single-sidedly or double-sidedly galvanized steel sheet, starting from galvanized steel strip, at least one of the steps of the method being a transport operation, and in which, for protection from black-spot corrosion, a corrosion preventive oil is applied which comprises N-acyl derivatives of sarcosinic acid as corrosion inhibitor.
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