High Zinc Coating Galvanized Steel Sheets in Coils HDP Hot Dipped Galvanized Steel Coils

High-purity zinc layer (electro-galvanized layer) cannot form spangles. For example, add tin (<0.5%), solidify at 198°C; add cadmium, solidify at 264°C; add lead, solidify at 317°C; add antimony (<0.3%), solidify at 409°C; or use steam flow or SO2 flow Spraying the surface of the galvanized layer can generate crystallization nuclei early and form large spangles.

In fact, spangles are only of ornamental value and have no actual use price. On the contrary, it is not good in terms of anti-corrosion, and the surface appears uneven after painting. Now people ask to minimize spangle or eliminate spangle. In order to obtain small spangles, when galvanizing, when the zinc liquid is close to the solidification temperature, water droplets with a diameter of less than 0.1mm are immediately sprayed on the surface of the galvanized sheet to form small and uniform crystal nuclei, in order to obtain smooth zinc Flowers, and then temper rolling with a reduction of less than 1%. Small spangles are suitable for painting, and smooth spangles are suitable for deep drawing.

1. What type of company are you? 

We have our own factory and company, which belongs to the integration of industry and trade.

2. Can we request to see the factory? 

Sure! We very much welcome customers from all over the country to visit our factory and office.

3. How can we ensure the quality of the product? 

All products will go through a strict testing process, if you need, we can provide you with a quality testing report.

4. Can I get a sample before I place an order? 

Of course! If it is normal size and we have stock in warehouse, we will supply sample free of charge.

5. Why I choose your company? 

We have more than ten years of steel sales experience, stable production lines and sophisticated testing systems, and have established long-term and stable cooperation with many places.