The corrosion behavior and its prevention of copper tubes used for water supply systems in detached houses, apartments and buildings have been reviewed. Pitting corrosion, erosion corrosion and cuprosolvency troubles are discussed based on both empirical data and experimental data. Especially, pitting corrosion of copper tubes are classified into five kinds of types such as Type I ft, Type I in -A, Type I in -B, Type II and Moundless. The prevention for each corrosion problems are also discussed.
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