The objective of this work was to provide a definitive study of the atmospheric corrosion behavior of aluminized steel in both an industrial and a marine environment. This behavior was evaluated separately both on skyward and on groundward surfaces of test panels exposed at East Chicago, Indiana and at Kure Beach, North Carolina. Differences in atmospheric corrosion behavior between the top and bottom surfaces become important in attempting to assess the relative contributions to the corrosion process of experimental parameters which would tend to show different effects for these two surfaces. Examples of such parameters might be the relative amounts of solid versus gaseous contaminants in the atmosphere, the amount of rainfall, and the persistence of condensed moisture on panel surfaces.

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