| After-sales Service: | According to The Contract |
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| Warranty: | One Year |
| Standard: | ASTM, JIS, GB, AISI, DIN, BS |
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High zinc layer galvanized steel coils 0.12mm-3.0mm for Construction Projects/Car Accessories/Bridge/appliances....
Galvanized steel is steel that has been coated with a layer of zinc to protect it from corrosion. The zinc acts as a barrier between the steel and the environment, preventing moisture and oxygen from reaching the underlying metal. This protective coating significantly increases the lifespan of steel products, making them suitable for outdoor and industrial application
The Galvanization Process
The process of galvanization involves applying a layer of zinc to the surface of steel through several methods. The most common methods of galvanization include:
1.Hot-Dip Galvanizing: In this method, steel is immersed in a bath of molten zinc at temperatures ranging from 450 to 460 degrees Celsius (842 to 860 degrees Fahrenheit). The heat causes the zinc to bond with the steel, forming a thick and durable coating. Hot-dip galvanizing is known for its robust protective properties and is widely used for large structural components.
2.Electro-galvanizing: This method involves the application of a zinc coating through an electroplating process. In this process, steel is immersed in a solution containing zinc salts, and an electric current is passed through the solution, resulting in the deposition of zinc onto the steel surface. The zinc coating produced through electro-galvanizing tends to be thinner and more uniform than that obtained through hot-dip galvanizing.
3.Zinc Spray Coating: This method involves the application of molten zinc onto the steel surface using a spray technique. Zinc spray coating is often used for repair and maintenance applications, providing a protective layer where the original galvanized coating may have worn away.
4.Galvannealed Coating: In this process, steel is first hot-dip galvanized and then heated in a controlled atmosphere, allowing some of the zinc to react with the iron in the steel surface. This results in a coating that provides excellent paint adhesion and corrosion resistance.
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Galvanized steel:DX51D+Z,DX52D+Z,DX53D+Z,DX54D+Z,DX55D+Z,DX56D+Z,SGCC,SGH340......
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