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The Zinc Coating Life Predictor computer program was developed to predict the life (and corrosion rate) of the zinc coating on galvanized steel in various atmospheric environments. The program requires numerical data inputs for six weather and air-pollution parameters. The software then calculates and reports on corrosion rates and coating life as outputs. The corrosion prediction calculations are based on models that were developed using statistical methods, neural network technology and an extensive worldwide corrosion database. It was developed by Dr. Gregory X. Zhang at the TeckCominco Product Technology Centre and funded by the International Zinc Association (IZA).

American Galvanizers Association 6881 South Holly Circle, Suite 108 Centennial, Colorado 80112

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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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This program is applicable to zinc-coated steel produced by batch or continuous galvanizing. It is applicable to hot-dip or electrogalvanized or thermally sprayed coatings. It does not apply to coatings containing alloying element larger than 1%, such as Galfan, Galvalume, Zn-12%Ni, Galvanneal, Supergalva or painted products. It assumes that the galvanized product is produced to generally accepted quality standards and that the zinc coating is not suffering from significant damage or defects, which could accelerate corrosion and reduce performance.

The Zinc Coating Life Predictor is published for information purposes only. Because of the number of factors inpacting atmospheric corrosion, it is impossible to predict corrosion rates with certainty. IZA and TeckCominco expressly disclaim any warranty of merchantability and there are no warranties which extend beyond the description of the face hereof. IZA and TeckCominco disclaim any responsibility for any loss or damage resulting from the use of this software.