Sheet Metal Surface treatment introduction-Galvanizing



Sheet Metal Surface treatment introduction-Galvanizing


Galvanizing is a process of coating iron or steel with a layer of zinc to protect it from corrosion.

It is commonly used to extend the lifespan of metal products and structures. The galvanizing process involves immersing the metal in molten zinc, which forms a protective layer on its surface. This helps prevent rust and corrosion, making galvanized metal ideal for outdoor and industrial applications.


There are two main methods of galvanizing: hot dip galvanizing and electroplating.

1)Hot-dip galvanizing involves immersing steel in molten zinc to form a zinc-iron alloy coating. This method provides very effective corrosion protection for steel and is suitable for outdoor use and steel exposed to harsh environments.

2)Electro-galvanizing places steel in a zinc-containing salt solution and uses electric current to deposit zinc ions on the surface of the steel to form a zinc layer. This method also provides good corrosion protection and can control the thickness and uniformity of the coating.

Both methods can provide excellent corrosion protection for steel, and the choice of which method depends on the specific use requirements and production process.


Here is some of our production with galvanizing treatment.