| abstract |
<P>PROBLEM TO BE SOLVED: To provide a lubricated steel sheet having film removability, chemical conversion treatability, formability, and anti-corrosivity, improved in adhesiveness and stability with time of a film property, and suitable for manufacturing automotive parts or the like by adhesion. <P>SOLUTION: A lubricating film including: a film forming ingredient including an alkali metal borate; lubricating ingredient including a mixture of zinc stearate and paraffin wax; anti-corrosive ingredient including at least one of a phosphate, oxyacid salt of vanadium, oxyacid salt of molybdenum, and mercapto compound; and preferably further organic acid, is formed on a steel sheet surface of a zinc-based metal plated steel sheet or the like. <P>COPYRIGHT: (C)2011,JPO&INPIT |