How Zinc Protects Steel

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Sheet steel is a very versatile product. It comes in many sizes and types, and is applied to many end uses including steel buildings. The low cost, strength and formability of steel sheet are some reasons for its widespread use. Unfortunately, as are most steel products, it is prone to rusting, a phenomenon that causes the surface to become unsightly and, over time, may contribute to product failure. For this reason, steel is protected by a variety of methods ranging from internal alloying (stainless steel, for example) to coating with paints or metallic coatings. This document, created by The GalvInfo Center, explains how corrosion leads to rust and how rust spreads; and the effectiveness of zinc coatings in preventing it.

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To learn more about zinc-based steel coatings and The GalvInfo Center, visit www.galvinfo.com.

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