JIS G 3320 specifies requirements for hot-dip galvanized steel sheets and coils. Hot-dip galvanization is a process that applies a protective zinc coating to steel, primarily to prevent corrosion and extend the material’s service life. This standard details the chemical composition, mechanical properties, dimensions, and surface finish of the galvanized steel products, ensuring they meet quality and performance criteria for various applications. While the standard’s primary focus is on the properties of the zinc coating and the underlying steel base metal, its impact resistance might be a consideration in specific applications where the galvanized material is subjected to dynamic loads. For example, in certain construction or automotive uses, the ability of the galvanized layer to remain intact and adhere to the steel after an impact is important for maintaining its corrosion protection. Although not explicitly an impact test standard, the overall durability includes the coating’s ability to flex and remain bonded under various stresses, which can indirectly relate to impact scenarios.