... Cast Iron Anodes are widely used in impressed current cathodic protection of offshore structures, underground pipelines, buried cables, ... oxidation takes place. The film has high resistivity and chemistry stability, which is in passive state under acid ... for anode.Moreover, after covered by Chromium, the protection film of SiO2 of HSCI is develped to ... .00 (110.00) FeSiCr Anode for Cathodic Protection