A 1019 steel, 6061-T6 aluminum and 304, 316, 430 and 446 stainless steels were immersed for three years in a seawater test site near Galveston, TX. Data will be reported for both uniform and pitting corrosion rates of these alloys. The sites where the localized corrosion was initiated, with respect to the biofouled surface, will be discussed. For all of the alloys discussed, with the exception of the steel, the majority of the pits were found in close proximity to the barnacle attachment sites.

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