Corrosion of A3, 20# and X70 Steels in Simulated Flowing Seawater

A simulated flowing seawater corrosion test system was set up, the corrosion behaviors of carbon steels in simulated seawater were studied using the system. The weight loss tests of A3, 20# and X70 steels were conducted to show the corrosion rate data in static and flowing seawater for comparison. Results showed that the corrosion of A3, 20# and X70 steels was accelerated in the flowing seawater due to the erosion-corrosion effect on the surfaces of metal materials. The corrosion rate showed a decrease first and then an increase, and gradually became stable later. The rust layers were divided significantly into two layers in the flowing water experiment.