This document specifies test methods for the determination of corrosion resistance of furniture fittings as ready-to-use assemblies or their individual parts. It applies to the optical assessment of surface changes for the following materials: " Metals and their alloys; " Metal coatings with anodic or cathodic properties; " Conversion coatings; " Anodic oxide layers; " Organic coatings on metallic materials. This document does not include any requirements regarding the corrosion resistance of furniture fittings. These can be given in the product specifications