Industrial Stainless Steel Cable Tray SS201/304/316/316L Perforated Wire Management System for Chemical Plant Wiring Stainless-steel cable trays offer excellent corrosion resistance — they can withstand moisture, chemicals, salt, and harsh industrial environments without rusting or deteriorating, which greatly extends their service life. They also provide high mechanical strength and load-bearing capacity, so they can support heavy cable bundles without bending or deforming.