Tray Sheet Metal Thickness: Typically, the side plates and base plates of cable trays range from 1. Therefore, the local zinc thickness should be no less than. This guide breaks down everything you need to know about zinc plating thickness, including key specifications, industry standards, and their practical implications, so you can make informed decisions for your projects. This zinc coating is easily deformed. A cathodic action occurs on cut s leaned and roughened in order to achieve a good bond. After the dipping process, the surplus zinc is blown off and one obtains an extra passivating coat (an ultra-thin. 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. Presentation pictures do not always include Personal Protective Equipment (PPE). Recommended Minimum Thicknesses for Nickel or Chromium Finishes on Steel, Iron, and Zinc Products Minimum thickness Source: From Quality Metal Finishing Guide, Metal Finishing Suppliers' Association. Related: Link to this WebpageCable tray shall be fabricated either from corrosion resistant metal such as aluminum alloy or carbon steel with corrosion resistant coating such as zinc coatings as specified in the data schedule.