Question

what is Galvanization​

Answer 1

Answer:

Galvanizing is the process of applying zinc coating to a more noble metal (popularly steel or iron) to prevent corrosion (rusting). Hot-dip galvanization is the most well-known method in which the steel part is submerged in a bath of molten zinc.

Explanation:

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Answer 2

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Galvanizing (more common term than galvanization) is where you coat a metal that rusts (steel or iron) with a protective coating of zinc. Most of the time this is done through a hot-dip process whereby the metal item is submerged in a vat of molten zinc and then withdrawn. Other times, if you want galvanizing and a painted surface as well, the problem here is the “spangles” created by the galvanizing process where this will show through the paint coat.

One process to produce galvanized sheet that is still paintable (like for car bodies) is a “mini-spangle” process where small droplets of galvanizing are “shot” at the steel sheet as it travels by. These very small droplets can then be painted without noticing the galvanized layer underneath.

There are also galvanizing sprays (cold galvanizing) that can be purchased in aerosol spray cans at a store to coat in the field a galvanized item where the galvanized coating has been damaged. The best process is hot-dip or the mini-spangle processes however.