The mechanical strength of cable trays is determined by the steel's ductility, yield strength and elongation at break, but also by its weldability. The protection or coating does not influence the mechanical strength., is a welded wire-mesh cable management system made of high-strength steel wire. The selection of material and finish is a function of the environment in wh tant in a wide range. This white paper compares the High Resistance (HR) and Hot-Dip Galvanising (HDG) solutions and highlights the new High Resistance range, ZnAl wiremesh, ZnMg metal cable trays and accessories and ZnNi screws and bolts. Product weights are approximate values, may vary by ± 10%. Product weights on the table reflect the weights of products coated. Cable tray (or cable ladder) systems are a popular alternative to electrical conduit systems, as they have an outstanding record for dependable service, design flexibility and cost savings in commercial and industrial applications. Unlike standard cable trays, these are built to withstand heavier loads, making them ideal for environments where large quantities of cables are used or where the cables themselves are. Most cable tray systems are fabricated from a corrosion-resistant metal (low-carbon steel, stainless steel or an aluminium alloy) or from a metal with a corrosion-resistant finish (zinc or epoxy).