The aggressiveness of the Venezuelan atmospheric environment was assessed by measuring climate and pollution factors and determining the corrosion rate of A-36 carbon steel, 3003 Al, Cu and Zn in fourteen test stations for a period five years. This work presents the results obtained for A-36 Carbon Steel during the fust year of evaluation using
a new perspective for plotting atmospheric corrosivit y maps, in view of the amount of data available in Venezuela (14 stations), thus establishing a valid way of interpreting and divulging the results. The new concept proposed herein comprises an atmospheric-corrosivity map consisting of pies, not isolines or colors as is usually the case when reporting results. In a pie, it is very easy to establish climatological and corrosivity differences in the regions evaluated here in Venezuela, because the pie is subdivided into portions representing the weight of each variable under study, with the pie diameter being the corrosion rate for the material in that area. The corrosive characteristics of the region are likewise in the map in compliance with standard ISO 9223.
Keywords: atmospheric corrosion, map, A-36 carbon steel, pie