In metal fabrication, a variety of metals are used. However, if you want to ensure the sheet metal is strong and durable, you will have to opt for a finish. This will not only protect the metal surface, it also will make certain metals such as aluminum, stronger and more resilient.
While there are many types of finishes, two commonly used metal finishes are electroplating the metal or painting. Both have their pros, based on the application of the sheet metal. Understanding them will allow you to make an informed decision. To make the right decision, you should know where and how you intend using the sheet metal.