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- June 5, 2023
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- Hot-dipped galvanization,
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Galvanization or Galvanizing is one of the most widely used manufacturing processes of applying a thin zinc coating over steel or iron material for the purpose of protecting them from corrosion or rusting. Once this is done the steel or iron is called galvanized steel or galvanized iron. That zinc coating (silver color) in galvanized material shields (barrier) the metal from the surrounding environment. Thus galvanization extends the life of the base metal (Steel) to a considerable extent. That zinc coating is applied in several layers as per requirement.
In a corrosive environment, Galvanized Steel is one of the cost-effective alternative solutions to avoid using costly materials like SS or DSS. Galvanizing also prevents the metal from “galvanic corrosion” as the Zinc layer acts as an anode and slowers the corrosion tendency of the base metal.
The hot-dip galvanization process provides long-lasting, maintenance-free metal at a cheap cost and the process is quite simple. In the Hot-Dip Galvanizing process, the base metal is dipped into a pool of molten zinc. Fig. 1 shows the steps involved in the complete process. There are three major steps that are followed in the hot-dip galvanizing process.
Read more: What is Galvanization? Hot-dipped galvanization vs Electro-galvanization