Is the cable tray made of flat steel

Made from perforated sheet steel, the standard cable tray consists of a simple flat tray with a turned up edge. Common cable trays are made of galvanized steel, stainless steel, aluminum, or glass-fiber reinforced plastic. The material for a given application is chosen based on where it will be used. The cable trays. The LANZ mesh trays and flat grids are made of robust steel, with rounded shapes and with halogen-free polyethylene coating in accordance with IEC 60754-1 / EN 50267-2-1 standards (RAL 7035), or stainless steel. This design allows air to circulate freely around the cables, helping to reduce heat buildup and maintain safe operating temperatures. [pdf]