Why Do Steel Pipes Need To Be Anticorrosive?

The main composition of steel is that iron (Fe), which is easily oxidized by oxygen in the air when exposed to the air and produces iron oxide (Fe2O3), iron trioxide, which is a medium brownish-red The substance, commonly known as rust, and the air also contains nitrogen oxides, such as NO2. These air components will become weak acids when they meet with the water, and chemically react with the surface of the steel pipe, which will corrode the steel pipe. Slowly, The material thickness of the steel pipe will be lost. If it is used in engineering, it may leak, break, soften, and so on. Therefore, the steel pipe must be preserved for corrosion protection.
The anti-corrosion mechanism of galvanized steel pipe is to protect steel by sacrificing zinc coating.