Abstract
A model of the influence of chloride deposition rate and SO 2 deposition rate on atmospheric corrosion of steel has been proposed. Accumulated corrosion and pollution data obtained since 1979 from different Cuban sites were statistically processed. A model is obtained when data from all corrosion stations are processed independently of the type of climatic territory. The influence of chloride ions is very significant in determining corrosion rate when there is already a corrosion products layer; however, when this layer is not completely formed the influence of time of wetness is the controlling factor. The existence of a competitive adsorption process between chloride and sulphur compounds present in airborne salinity is very possible.
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