Stainless Steel Heavy Duty Cable Tray (304 & 316 Stainless Steel) Stainless steel cable tray (304 and 316 grades) provides high strength, non-corrosive cable containment and support for low and high voltage power, control and instrumentation cables. Our cable trays are produced in fit for purpose materials like stainless steel, galvanized, aluminium and fibreglass (FRP/GRP) composites to suit any project type both offshore and onshore. Easy to handle and with excellent corrosion resistance. 304 and 316 Stainless Steel also available. Electrogalvanised Steel Cable Tray: Durable material, providing adaptability and strong. REF.