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Did you know that galvanization is the process of applying a protective zinc coating to steel or iron to prevent rusting? The most common method in Gi Coil Sheet metal fabrication shops is hot-dip galvanizing. This is the process of submerging metal parts in a bath of molten zinc to protect the metal.

This protection occurs in three different ways:

• The zinc coating, when intact, prevents corrosive substances from reaching the underlying steel or iron.
  
  
• It acts as a sacrificial anode, which is the main component of a galvanic cathodic protection (CP) system used to protect buried or submerged metal from corrosion. This means that if the coating is scratched, the exposed steel or iron will be protected by the remaining zinc.
  
  
• The zinc protects its base metal by corroding before iron.
  

Galvanizing, or galvanization, is a manufacturing process where a coating of zinc is applied to steel or iron to offer protection and prevent rusting. There are several galvanizing processes available, but the most commonly offered and used method is called hot-dip galvanizing.

Galvanized Steel Gi Sheet is among the most popular steel types because of its extended durability, having the strength and formability of steel plus the corrosion protection of the zinc-iron coating. The zinc protects the base metal by acting as a barrier to corrosive elements, and the sacrificial nature of the coating results in a long-lasting and high-quality steel product.

This versatility makes it applicable to a variety of projects and industries, including agriculture, solar, automotive, construction, and so on. Below, we aim to provide a comprehensive description of how galvanized steel is processed, different galvanization methods, its benefits, and how it is used in these various industries.



WHAT IS ZINC ALUMINUM-MAGNESIUM COATED STEEL

This Zinc Aluminum Magnesium Steel Coils which is also called ZAM coated steel is one newly developed with coating layers of 100-450g +/-10g which owns very strong corrosion-resistant ability. And zinc aluminum-magnesium coated steel is a new type of corrosion-resistant coated steel sheet consisting mainly of zinc, about 11% aluminum, 3% magnesium and trace amounts of silicon. Our Zam Coils adds Al, Mg, Si to the conventional Zn plating, and the these added chemicals elements improve the corrosion resistance. That is, in addition to the previous Al addition, added to the zinc aluminum magnesium coil products have the significant effect on the Mg, in addition, to meet the addition of Si, so that rust effect can be improved. Si improves the corrosion resistance of the coating layer containing Al while further improving the corrosion effect by the combination with Mg. This Zin Aluminium Magnesium steel feathers superior corrosion-resistance on the surface, bend processed parts, ammonia environment, cut edge, drawing-processed parts. And it’s HS code is 72109000.



Zn Al Mg Alloy Coils Advantages

1. Excellent anti-rust performance! The rust-proof performance of the flat part is no need to speak.

2. The rust resistance of the end face is also excellent.

3. Moreover, alkali resistance is also excellent. This zinc aluminum magnesium steel coil in comparison with hot-dip galvanized steel and hot-dip galvanized 5% aluminum alloy steel, can achieve the same corrosion resistance but use less plating layers. In addition, because of its excellent resistance to red rust, it can be used to be instead of stainless steel or aluminum plate.

4. Excellent processing property performance! Bending portion, the stretching portion is also hard to rust, surface processing is not rare injuries, very beautiful.

5. Weldability, paint is also very good.

6. Withstand the rigors of processing with the plating adhesion. In addition, the coating hardness is high, with excellent resistance to damage.

7. Super VA’s new material can greatly reduce costs and shorten delivery time due to the no need for post-plating.

8. May also be a substitute for stainless steel and aluminum.

9. It is resistance to severe conditions of the processing of adhering. In addition to high hardness coating, with excellent resistance to damage.



With a history that stretches back over 150 years, there are innumerable examples of galvanised steel in use in many environments, which prove its performance.

Galvanized Tube is all around us, in a whole variety of industries including road, rail, energy plants, oil and gas, agriculture, water and waste and sports and leisure. It can play an important role for buildings, bridges, facades, signal gantries, gates, balconies and even sculptures. Wherever there is a risk for corrosion of steel, galvanising should be used.

An average coating thickness of 85 microns, the same thickness as a sheet of A4 paper, can protect a steel structure for the better part of 100 years. One of the inherent benefits of hot dip galvanizing is that when clean steel that is greater than 6mm thick is submerged into molten zinc, it will develop a minimum mean coating of 85 microns.