Patent ID: 7699686

Claim:
A method for polishing a hot-dip aluminum zinc alloy coated sheet steel article to produce a polished coated surface having a continuous and consistent stainless steel like appearance, the steps of the method comprising: a) providing a sheet steel substrate with a hot-dip aluminum zinc alloy coating applied thereto, the hot-dip aluminum zinc alloy coating having a spangle facet size less than about 500 microns; b) embossing said hot-dip aluminum zinc alloy coating with at least one textured roll, said at least one textured roll applying an effective roll force that embosses said hot-dip aluminum zinc alloy coating without embossing the sheet steel substrate; and c) polishing said embossed hot-dip aluminum zinc alloy coating, the polished embossed coating having said continuous and consistent stainless steel like appearance.