Galvanization
Process of layering steel or iron with zinc to prevent rusting
Galvanization
Galvanization (also spelled galvanisation) is the process of applying a protective zinc coating to steel or iron, to prevent rusting. The most common method is hot-dip galvanizing, in which the parts are coated by submerging them in a bath of hot, molten zinc. Galvanized steel is widely used in applications where corrosion resistance is needed without the cost of stainless steel, and is considered superior in terms of cost and life-cycle. It can be identified by the crystallization patterning on the surface (often called a "spangle"). Galvanized steel can be welded; however, welding gives off toxic zinc fumes. Welding galvanized steel can be done safely by removing the zinc coating by 1"- 4" around the area to be welded. Grinding is usually the most effective method for the removal of a galvanized coating. This temperature varies by the galvanization process used. In long-term, continuous exposure, the recommended maximum temperature for hot-dip galvanized steel is 200 °C (392 °F), according...
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