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Classification of galvanized steel pipeGalvanized steel pipe is divided into cold galvanized pipe and hot galvanized pipeGalvanized steel:Hot-dip galvanized steel pipe is a kind of aluminum alloy layer produced by the reflection of molten metal material and iron base material. Therefore, hot-dip gal
Galvanized steel is widely used in all walks of life. The advantage of using galvanized steel is to use metallic zinc that can form a dense oxide protective layer in the air to protect the internal steel structure. In the case of welding or scratching, due to the existence of the Zn-Fe galvanic