This standard specifies the terms, definitions, symbols, structural forms, Specification models, technical requirements, test methods, inspection rules, signs, Encasement, transportation and storage of zinc-aluminum alloy platings for suspension bridges and cable-stayed bridges. The standard covers products such as prefabricated parallel steel wire strands and hot-extruded polyethylene (PE) coated cables to ensure their anti-corrosion performance and mechanical strength in bridge structures. It provides a scientific basis for the production and application of bridge cables and ensures the safety and durability of bridges.