Galvanized iron wire is a crucial material used in various industries. It is made of high-quality low-carbon steel wire rod, which is drawn and formed, pickled and rust-removed, high-temperature annealed, and hot-dip galvanized. The surface of the wire is coated with a layer of metallic zinc, which acts as a barrier against corrosion caused by moisture and air.

Hot-dip galvanized wire is a popular choice because of its durable zinc layer that is achieved through a series of meticulous processes. 

On the other hand, electro-galvanized wire has a shorter lifespan due to its thin zinc layer, which can lead to dezincification and oxidation if not processed correctly.

It is important to note that galvanizing can be divided into hot plating and cold plating methods. Hot plating involves immersing the wire in hot molten zinc, while cold plating uses an electrified liquid pool. Understanding the differences between these processes is crucial in determining the appropriate galvanized iron wire for specific applications.

In summary, galvanized iron wire is an essential material that requires careful consideration when choosing the appropriate type for specific applications