Galvanized steel pipes are expensive because galvanized steel pipes are processed once on the basis of ordinary steel pipes.

Galvanized steel pipe reacts molten metal with an iron matrix to produce an alloy layer, thereby combining the matrix and the coating. Hot-dip galvanizing is to pickle ordinary steel pipes first. In order to remove the iron oxide on the surface of the steel pipe, after pickling, it is cleaned in an aqueous solution of ammonium chloride or zinc chloride or a mixed aqueous solution of ammonium chloride and zinc chloride, and then sent to into the hot dip plating tank. Hot-dip galvanizing has the advantages of uniform coating, strong adhesion, and long service life.

Analysis of the reasons for high prices

1. The cost of the galvanizing process is high: Galvanized steel is made by immersing ordinary steel pipes in molten zinc liquid to cover the surface with a layer of zinc to increase corrosion resistance. This process requires specialized equipment and processes, as well as substantial energy and labor costs, resulting in the production cost of galvanized steel being much higher than that of ordinary steel pipes.

2. Rising zinc prices: The main component of galvanized steel pipes is zinc, and with the development of the global economy and the increase in demand from the construction industry, the market price of zinc is also rising. This has led to an increase in the raw material cost of galvanized steel, which indirectly affects the price of galvanized steel pipes.

3. Different coating thicknesses: Depending on different uses and needs, the coating thickness of galvanized steel will also vary. Generally speaking, the thicker the coating, the stronger the corrosion resistance, but the production cost will also increase accordingly. Therefore, when purchasing galvanized steel, thickness is also an important factor affecting the price.

4. Brand and quality differences: The quality of galvanized steel of different brands will also vary. Some well-known brands of galvanized steel have undergone strict quality control and have higher corrosion resistance and service life.

5. Market supply and demand: Market supply and demand are also important factors affecting the price of galvanized steel. If the market demand is greater than the supply, the price of galvanized steel will rise; conversely, if the supply is greater than the demand, the price will fall.