COATED STEEL EXCELLENT IN LASER CUTTING PROPERTIES AND PRIMARY RUST PREVENTIVE PROPERTIES AND ITS PRODUCTION METHOD

摘要

PROBLEM TO BE SOLVED: To provide a primer-coated steel material which is excellent in laser cutting properties when cut with a laser and rust preventive properties, and also to provide a method for producing the coated steel material.;SOLUTION: In the primer-coated steel excellent in laser cutting properties and primary rust preventive properties, the paint film of the primer contains 9-26 g/m² of a titania powder, 9-28 g/m² of a zinc powder, and 0.2-10 g/m² of an aluminum powder, and the thickness of the paint film is 5-30 μm.;COPYRIGHT: (C)2008,JPO&INPIT