COATED STEEL SHEET FOR AUTOMOTIVE REPAIRING PART AND REPAIRING PART USING THEREOF

摘要

PROBLEM TO BE SOLVED: To improve the coating workability in a repairing workshop by containing a specified amount of a chromate type rust preventive pigment in an organic coating formed in the rear side in a coated steel sheet which is a zinc-coated steel sheet coated with a chromate coating in both sides and further coated with an organic coating film in both front and rear sides. ;SOLUTION: This coated steel sheet to be used for repairing parts to be supplied for repairing at the time when an automotive panel is damaged by a traffic accident, etc., is manufactured by chromating both sides of a steel sheet coated with a zinc type coating and further coating both front and rear sides with an organic coating. In this case, the thickness of the organic coating in the front side is set in a range of 5-20μm and the thickness of the organic coating in the rear side is set in a range of 2-10μm and a chromate type rust preventive pigment is contained in the organic coating in the rear side in a range of 10-100 pts.wt. to 100 pts.wt. of a resin solid component. Moreover, the thickness of the coating formed on the coated steel sheet is set in a range 30-100g/m² in one side.;COPYRIGHT: (C)1997,JPO