“…A zinc (Zn) epoxy-primer coating is mainly used in the ballast tank for the prevention of corrosion; however, this coating is not an ideal protector of the ballast tank because of existing defects, and therefore high-corrosion-resistant steel is required [ 6 , 7 , 8 , 9 , 10 , 11 ]. Many studies on the alloying elements in carbon steels have been undertaken because it is widely used in seawater structures due to its high availability, simple fabrication process, and low cost [ 12 , 13 , 14 , 15 , 16 , 17 , 18 , 19 , 20 ].…”