Abstract
ABSTRACT The corrosion performances of the EH 36 carbon steel in stagnant and flowing natural sea water and synthetic sea waters were investigated. Results show that the general corrosion rates of the steels are close in stagnant natural sea water and synthetic sea waters. The corrosion rate, corrosion feature and the rust components of the steels in flowing 3.5% NaCl solution were significantly different from those of the steels in flowing natural sea water, indicating 3.5% NaCl solution could not restore the flow accelerated corrosion (FAC) performance of carbon steels in marine environment. The pH difference between 3.5% NaCl solution and natural sea water is not the main contributor for FAC performance changing. The corrosion performance of the steel in ASTM D1141 synthetic sea water was similar to that in natural sea water within small deviations of the corrosion rate at both static and flowing conditions.
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