STAHLBLECHVERGÜTUNGSVORRICHTUNG, SELBIGE UMFASSENDE VORRICHTUNG ZUR HERSTELLUNG VON BESCHICHTETEM STAHLBLECH UND SELBIGE EINSETZENDES HERSTELLUNGSVERFAHREN FÜR BESCHICHTETES STAHLBLECH

摘要

Provided is a method for producing plated steel sheet by means of an annealing device which includes at least one section and in which the at least one section is filled with a gas constituting a non-reducing atmosphere or a weakly reducing atmosphere to substantially improve the quality of plating onto hot-dipped steel sheet, including the plating properties, alloying properties, anti-pickup properties, plating adhesion properties, anti-flaking properties, anti-cratering properties and anti-ash properties, by using prior-art annealing equipment and heat-treatment cycle without any additional oxidation-reduction heat treatment process or large quantities of high-cost alloying elements.