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Новости компании

10 2023-05: Colored steel plate

Color steel plate refers to the organic coating or plastic film in the continuous production line coated or pressed on the surface of galvanized sheet, cold rol···

10 2023-05: Production technology of non - rust acid - resistant steel

Production technology of non - rust acid - resistant steelStainless steel introductionSaid resistant to acid, alkali, salt and other chemical etched medium corr···

09 2023-05: Classification of carbon steel, common grade of carbon steel

Carbon steel is an iron carbon alloy with carbon content ranging from 0.0218% to 2.11%. Also known as carbon steel. It also contains small amounts of silicon, m···

08 2023-05: what is the significance of hot galvanized sheet finishing?

The following purposes can be achieved by polishing the strip steel in the modern continuous hot dip galvanizing unit.

08 2023-05: How to calculate the coating thickness?

Dz -- coating thickness mm, Gz -- per square meter coating weight g, Sz -- coating area mm2, dz -- zinc specific gravity

08 2023-05: What are the causes of white rust?

Galvanized sheet in the transport of water.

08 2023-05: Why should we carry out anti-rust treatment on hot-dip galvanized products?

When the hot galvanized sheet is in the humid air, especially when the air contains SiO2, CO2, NO2 and NO and other acidic substances, the surface of the galvan···

08 2023-05: test the corrosion resistance of hot galvanized sheet which several methods?

There are three ways to test the corrosion resistance of hot-galvanized sheet: salt spray test; Wet test; Erosion test.

08 2023-05: What is the principle of passivation of hot galvanized sheet?

Chromate passivation treatment of galvanized sheet can form passivation film, its chemical reaction formula is as follows: Zn+H2GrO4-ZnGrO2=H2The trivalent chro···

08 2023-05: What is big zinc flower? What is a small zinc flower?

large zinc flower is normal zinc flower, according to the normal production process can produce large zinc flower, its crystal core diameter is not less than 0.···

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Сталь чжи сан

Zhishang steel co.Ltd,specializes in steel products,which mainly manufactures galvanized steel,galvalume steel,ppgl,ppgl and also can supply hot rolled steel, coldrolled steel,stainless,wire rod,h beam,steel pipe,etc.The company is committed to providing customers with high-quality and low-price steel products and strives tocreate value for custome···

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