During the use of oil and gas transmission pipelines, hazardous chemical pipelines in refining enterprises, storage tanks, etc., corrosive substances such as sulfides, water-soluble acids, and water-soluble alkalis are often present. Corrosion occurs when chemical or electrochemical multiphase reactions take place at the metal interface, causing the metal to enter an oxidized (ionic) state. This significantly reduces the mechanical properties of metal materials, such as strength, plasticity, and toughness, damages the geometric shape of metal components, increases wear between parts, shortens the service life of equipment, and can even lead to catastrophic accidents such as fires and explosions. The lack of long-term effective online monitoring and data analysis of on-site equipment for pipeline life prediction, excessively long intervals between major repairs, and the high difficulty of regular corrosion measurements for overhead pipelines create a demand for equipment capable of online corrosion monitoring of pipelines.