The ISO 17872-2019 standard is an introductory guide on the use of scribe marking on sheet metal coatings in corrosion testing. The standard instructs coating manufacturers and test laboratories on how to introduce scribe on coating surfaces to simulate damage that the coating may encounter in service. The purpose of this scribe marking includes assessing the adhesion of coatings, accelerating damage Response during corrosion testing, and studying the durability of coatings. The standard details the use of scribe tools of different shapes and sizes, and states that these can result in different scribe cross-sectional shapes and exposed metal areas, which can affect the final test results. ISO 17872-2019 applies to coating systems dry-film thickness of less than 500 μm steel, galvanized steel, aluminum alloy and magnesium alloy plates, but does not include Eletroplating metal or composite Aluminum Panel scribed.