Carbon steel used for cable trays shall be protected against corrosion by the following processes: Hot-dip galvanized zinc after fabrication in accordance with ASTM A123/A123M, Coating Grade 65 with an average zinc coating weight of 460 g/m2 per side or coating thickness of 0. 065. cable trays are equivalent. The mechanical and electrical characteristics, tests, certifications, overall quality management, recommendations mentioned in this technical guide only apply to our own cable management ranges and cannot under any circumstances be transposed to si osure, overheating or. The galvanization process is the primary anti-corrosion treatment for cable trays. The quality of the zinc coating directly determines the tray's service life and application scenarios. Learn when to choose hot-dip galvanized steel cable trays according to EN ISO 1461: advantages, recommended environments and key design criteria for long-lasting installations. In many industrial. The only safe option that can be used in an open environment or a place with a high level of moisture is the hot-dip galvanized (HDG) steel. The wrong one is the most common error, which results in rust showing itself much earlier than expected. 01-SDMS-01(latest revision), titled “General Requirements for All Equipment/Materials” which shall be considered as an integral part of this SDMS, also be read in conjunction with SEC purchase order.