Galvanized pipes, pure zinc layer, are hot-dip galvanized. The plasticity of the galvanized layer is rich, and for pure zinc, it is basically close to the ductility of nature, so it is flexible. Galvanized pipes are made of iron zinc alloy layer, which is dense and has the characteristics of resistance to atmospheric corrosion in marine salt spray atmosphere and industry.

The galvanized steel pipe substrate undergoes complex physical and chemical reactions with the molten plating solution, forming a corrosion-resistant and tightly structured zinc iron alloy layer. The alloy layer is integrated with the pure zinc layer and the steel pipe substrate, so the corrosion resistance of galvanized pipes is very strong. The surface of galvanized steel pipes has a hot-dip or electroplated zinc layer, and galvanizing can increase the corrosion resistance of the steel pipes and extend their service life. Generally, the iron pipes used for gas and heating are also galvanized steel pipes.

Characteristics of galvanized steel pipes:

1. The pure zinc layer of galvanized pipes has a dense and thick coating on the surface of the steel, which can avoid the contact of corrosive solutions with the steel substrate. A zinc layer is formed on the surface of a thin and dense layer, which is insoluble in water and therefore has a protective effect on the steel substrate;

2. Galvanized pipes generally use an iron zinc alloy layer, which has good resistance to atmospheric corrosion in marine salt spray environments and industrial use;

3. Due to the strong bonding of galvanized pipes, the zinc iron mixture has strong compatibility and wear resistance;

4. Due to the good ductility of galvanized pipes, they can firmly adhere to the alloy layer and steel on the substrate. Therefore, hot-dip galvanizing can be used for various forming processes such as cold stamping, rolling, stretching, bending, etc., without easily damaging the coating;

5. Hot dip galvanizing, equivalent to annealing treatment, can effectively improve the mechanical properties of steel substrates, reduce the forming and welding stresses of steel parts, and facilitate the rotation behavior of steel structures;

6. The surface of the tube is bright and smooth;

7. The galvanized layer of hot-dip galvanizing has good plasticity, good ductility, and flexible use.

The storage method of galvanized steel pipes: The site or warehouse where galvanized steel pipes are placed should be selected in a clean and well drained area, away from factories or mines that produce harmful gases or dust. Clean up weeds and all debris on the site, and keep the galvanized steel pipes clean. Do not stack corrosive materials such as acid, alkali, salt, cement, etc. together in the warehouse. Different varieties of square tubes should be stacked separately to prevent confusion and prevent contact corrosion. Large steel sections, rails, steel plates, large-diameter steel pipes, forgings, etc. can be stored outdoors.

Advantages of galvanized pipes:

1. Low processing cost: The cost of hot-dip galvanizing for rust prevention is lower than that of other paint coatings;

2. Durable and long-lasting: Hot dip galvanized steel pipes have the characteristics of surface gloss, uniform zinc layer, strong adhesion, and strong corrosion resistance.

3. Good reliability: The metallurgical bonding between the galvanized layer and the steel is good news, becoming a part of the galvanized steel pipe on the surface of the steel, so the durability of the coating is relatively reliable;

4. Strong toughness of the coating: The galvanized layer forms a special metallurgical structure that can withstand mechanical damage during transportation and use;

5. Comprehensive protection: Every part of the plated part can be coated with zinc, providing comprehensive protection even in concave, sharp, and hidden areas;

6. Time and effort saving: The galvanizing process is faster than other coating construction methods and can avoid the time required for painting on the construction site after installation.

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