Protection of metals
All coatings or protective layers are best applied after the forming and welding of the metals concerned. The main forms of protection are paints; vitreous enamel; plastic, nylon, or metal coating; and galvanizing and cathodic protection.
A typical steelwork paint specification:
Plastic and nylon coating In this process, the metal is dipped in or sprayed with nylon (a synthetic polymer), or an electrically ...