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ASK DR. GALVWhy are zinc and steel deliberately in contact in a hot-dip galvanized system if having dissimilar metals in contact is not recommended?The concern with having dissimilar metals in contact is the anodic metal will be consumed when electrons transfer from that material to the cathodic metal when there is a corrosion cell. This is considered galvanic corrosion, and over time it depletes the anodic metal. The hot-dip galvanized coating uses this property advantageously to protect the underlying steel. • Read More |
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The AGA is a non-profit trade association focused on providing education and technical support for architects, engineers, and specifiers. For more information about the AGA, visit www.galvanizeit.org. Out of respect for your privacy, we do not sell or rent our lists with any other parties. If you do not wish to receive Galvanizing Insights, you may cancel your complimentary subscription by Updating Your Profile This official publication of the American Galvanizers Association, Inc. (AGA) does not necessarily reflect the view of the board of directors or AGA members. Every effort is made to ensure accuracy. Any errors are strictly accidental and may be corrected in a subsequent issue. Questions or comments about this publication should be directed to the AGA. Comments and suggestions are encouraged. Copyright © 2011 American Galvanizers Association. The material provided herein has been developed to provide accurate and authoritative information about after-fabrication hot-dip galvanized steel. This material provides general information only and is not intended as a substitute for competent professional examination and verification as to suitability and applicability. The information provided herein is not intended as a representation or warranty on the part of the AGA. Anyone making use of this information assumes all liability arising from such use. |
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