... ballast tank, harbor installation and offshore structure, seawater cooling system, underground pipelines, tank outside etc1) Aluminium and Zinc ... -0.01~0.080.100.150.01RemainZinc Alloy Cathodic Protection: standardALCdFePbCuZnASTM-B0418 TYPE IMIL-A-1800-K0.1 ... ballast tank, harbor installation and offshore structure, seawater cooling system, underground pipelines, tank outside etc1) Aluminium and Zinc ...