The development history of galvanized steel sheet

The first continuous hot-dip galvanized strip production line was established in the United States in 1937, and the first continuous electro-galvanized strip production line was built in the United States in 1942. It has been in industrial production for more than 70 years.

Hot-dip galvanized products are widely used in construction, home appliances, vehicles and ships, container manufacturing, electromechanical industries, etc., involving almost all fields of clothing, food, housing and transportation. In recent years, the world's demand for galvanized steel has been increasing, and the output has also grown rapidly. In the United States, Japan and other major steel producing countries, the proportion of hot-dip galvanized steel in steel has reached as high as 13%-15%.
Recently, the automotive industry has paid more and more attention to the service life of materials, and painted cold-rolled steel sheets can no longer meet the requirements of corrosion resistance. Under this circumstance, hot-dip galvanized sheet with excellent corrosion resistance and low cost is generally favored by automobile manufacturers.
The biggest advantage of coated steel sheet is excellent corrosion resistance, paintability, decoration and good formability.

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The difference between galvanized steel tube and galvanized seamless steel tube

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