Outdoor pipeline anti-corrosion is mainly for the outdoor construction of the pipeline anti-corrosion, the main construction methods are overhead and buried two, regardless of which construction method common anti-corrosion is mainly for the outer wall and inner wall of the pipeline, the outer wall anti-corrosion types are mainly 3PE anti-corrosion, epoxy coal anticorrosion, epoxy resin anti-corrosion, etc., the inner wall of the pipeline anti-corrosion types are IPN8710 anti-corrosion, cement mortar anti-corrosion, epoxy powder anti-corrosion, etc.
 
       3PE anti-corrosion is mainly for oil and gas and other liquids under pressure, IPN8710 anti-corrosion is mainly for non-toxic drinking water anti-corrosion. Epoxy coal bitumen anti-corrosion mainly for the external wall of the water pipeline anti-corrosion or some large diameter oil and gas pipeline, cement mortar anti-corrosion is cheaper than the price is mainly for the inner wall of the sewage pipeline method, no matter which anti-corrosion to choose according to the design requirements of the design institute, do not engage in some of their own cheaper, otherwise the project out of the question is no one can afford.

        Anti-corrosion steel pipe is a steel pipe processed by anti-corrosion process, which can effectively prevent or slow down the chemical or electrochemical reaction in the process of transportation and use of corrosion phenomena. According to China's statistics, the annual domestic steel pipe corrosion direct economic loss of more than 280 billion.

       Current global annual losses due to steel pipe corrosion up to $ 500 billion. Anti-corrosion steel pipe can effectively prevent or slow down corrosion to extend the service life of steel pipe and reduce the cost of steel pipe operation.