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## What is the difference between Galvanneal and galvanized?
### 1. What is Galvanneal?
Galvanneal is a type of coating applied to steel to provide protection from corrosion. It is created by heating the steel and then dipping it in a bath of molten zinc. This process results in a layer of zinc-iron alloy on the surface of the steel. The alloy created during the galvannealing process is harder and more durable than pure zinc, making it more resistant to scratches and other forms of mechanical damage.
### 2. What is Galvanized?
Galvanized steel is also coated with a layer of zinc to protect it from corrosion. However, the process used to create galvanized steel is different from that used for galvanneal. In galvanized steel, the steel is simply dipped in a bath of molten zinc without any additional heating. This results in a coating of pure zinc on the surface of the steel.
### 3. What are the differences between Galvanneal and galvanized?
The main difference between Galvanneal and galvanized steel is the composition of the coating. Galvanneal has a zinc-iron alloy coating, while galvanized steel has a pure zinc coating. The zinc-iron alloy in Galvanneal is harder and more resistant to damage than pure zinc, making it a better choice for applications where the steel will be exposed to harsh conditions or where durability is important.
Another difference between the two types of coatings is the appearance. Galvanneal has a matte grey finish, while galvanized steel has a shiny, metallic finish. The matte finish of Galvanneal makes it a popular choice for applications where aesthetics are important, such as in the automotive industry.
In summary, Galvanneal and galvanized steel both provide protection from corrosion, but Galvanneal has a harder, more durable coating that is better suited for applications where durability and appearance are important. Galvanized steel, on the other hand, has a pure zinc coating and a shiny finish, making it a more economical choice for applications where appearance is less of a concern.
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