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Corrosion resistance can be added to steel parts at a reasonable cost by galvanizing them. Steel is galvanized using a method similar to plating in which zinc is applied to the product. Instead of actually connecting molecularly with the steel, galvanizing creates a covering on the metal that can be worn or burned off with high heat.
When switching from uncoated steel to galvanized steel, the welding procedures, volts, amps, travel speed, etc., can be used with minimal change unless the zinc coating is extremely thick. Intense heat is applied to metal during the welding process, and then additional steel or other metals are added and bonded together. In addition, galvanized steel is welded almost exactly the same way as bare steel of the same composition.