tube galvan

Tube galvanizing technology is a process used in the coating industry to provide a rust-resistant surface to metallic materials. It is a process that has revolutionized the way people view finishing materials, especially in this era of various types of galvanizing techniques.

Tube galvanizing is a method of applying a zinc coating on steel tubes by immersing them in a hot zinc bath at a temperature range of 455-500°C. The process is suitable for tubes of varying lengths and diameters, making it an efficient way of coating large volumes of tubes within a short period.

The tube galvanizing process goes through various steps to create a high-quality finish on the steel tube. The first step is the preparation of the steel surface by removing all impurities, such as rust, oil, and mill scale.

After surface preparation, the tubes go through a degreasing process, where they are cleaned with a hot alkaline solution that removes grease and other surface contaminants.

The tubes are then rinsed and pickled in an acidic solution to remove any remaining rust and scale. The pickling process also prepares the surface of the steel for the next step, which is fluxing.

Fluxing involves dipping the tubes in a solution made of zinc chloride and ammonium chloride to remove any remaining oxidation and to activate the steel surface for galvanizing. The tubes are then dried and sent to the galvanizing tank for coating in the molten zinc.

The tubes remain in the zinc bath for a few seconds, where they react with the zinc, forming a zinc-iron alloy layer on the steel surface. This coating provides excellent corrosion resistance for the steel tube, making it suitable for various applications.

Tube galvanizing has numerous benefits over other coating methods. The process provides a thick, uniform coating that extends the life of the steel tube, making it a cost-effective solution for applications that require long-term durability and protection against corrosion.

The process of tube galvanizing also has an excellent environmental profile, with minimal waste generated during the process. In addition, the zinc coating on the steel is fully recyclable, making it eco-friendly and sustainable.

In conclusion, Tube Galvanizing technology is an effective and efficient method of providing corrosion protection to steel tubes. This process has revolutionized the coating industry with its unmatched durability, sustainability, and environmental profile. As technology advances, the process will undoubtedly continue to improve, providing even more benefits to users.

Leave a Comment

Your email address will not be published. Required fields are marked *

Scroll to Top



As a factory of Sunning Steel in China , we are always ready to provide you with better quality and services. Welcome to contact us or visit our company and factory in the following ways

Contact Us