Stainless Steel: Highly resistant to corrosion, ideal for harsh environments. Different applications require tailored. The cable tray is exposed to an environment which can be more or less aggressive and thus be a source of corrosion. Environmental corrosion: when a steel (Iron + Carbon) is in contact with a catalyst and Oxygen, Iron Oxide forms on the surface (red rust). If you install cable tray, trunking or conduit made out of the wrong material it can lead to a serious. more. According to investigations, many customers find that the cable trays they purchased start to rust shortly after installation—some even rust within a few months. Understanding Corrosion in Storage Tanks on Terminals:. Cathodic Protection: Cathodic. Understanding the causes of stainless steel cable tray corrosion is vital for selecting the right materials, ensuring proper installation, and implementing effective maintenance practices.