Stainless Steel: Highly resistant to corrosion, ideal for harsh environments. This white paper compares the High Resistance (HR) and Hot-Dip Galvanising (HDG) solutions and highlights the new High Resistance range, ZnAl. However, exposure to harsh environments can lead to corrosion, compromising their structural integrity and safety. Corrosion can weaken cable trays, leading to failures that disrupt operations. In the cable tray industry, corrosion protection is critical because cable trays, supports, and related components are often exposed to harsh environmental conditions. SS Wire Mesh Cable Tray Chemical. In coastal plants, ports, and offshore platforms, the wrong cable tray choice will corrode, shed zinc, and fail prematurely. The right choice lasts decades with minimal intervention. Here's how to engineer trays that survive.