GB/T 13346-1992 "Metal cladding, cadmium platings on steel" standard equivalents adopt the international standard ISO 2082-1986. This standard specifies the technical requirements and inspection methods for cadmium platings on steel substrates, which are applicable to prevent corrosion of steel under various conditions of use. The standard does not apply to unprocessed sheets, strips or wires, and platings in contact with food or beverages. The standard covers the requirements for platings thickness, Appearance of platings, bonding strength, and corrosion test methods for platings. The thickness of cadmium platings depends on the harshness of the environment and service life, and provides relevant heat treatment conditions to reduce the risk of hydrogen embrittlement. The thickness, Appearance and application of the conversion film of cadmium platings are also specified in detail. Inspection should be carried out according to the specified test method to ensure that the platings mass meets the requirements.