Wear and corrosion-resistant thermal spray coating repair for components in the iron and steel industry, including submerged rolls, guide rolls, furnace bottom rolls, and conveyor rolls.

In the iron and steel industry, numerous equipment components operate continuously at full load under harsh conditions characterized by high temperatures, oxidation, high-temperature corrosion, mechanical wear, and corrosion by molten metals. As a result, these components are highly susceptible to damage—for example, the high-temperature corrosion of converter shrouds and flues; thermal and mechanical fatigue of support rollers, guide rollers, and pinch rollers in continuous casting production lines; mechanical wear of mold plates, conveying rollers, and various process rollers in slab continuous casting lines; fatigue and wear of tension rollers and straightening rollers in cold-rolling mill production lines; high-temperature corrosion and scaling on bottom rollers in continuous annealing furnaces; and erosion and wear caused by molten metal on immersion rollers, tension rollers, and guide rollers in continuous hot-dip galvanizing lines. All these failure issues can be effectively addressed by using thermal spraying techniques to apply high-strength, high-performance materials.

Tungsten Carbide Sprayed Roller Shaft and Cylinder

We offer a wide range of thermal spray coating services, providing coatings with high bonding strength and exceptional density—guaranteed high-quality coatings. We process various types of rollers, including cooling rollers, stretching rollers, preheating rollers, coating rollers, guide rollers, and other components for carton machinery.

Tungsten Carbide Supersonic Spraying with Rolling Rod

Tungsten carbide is sprayed using supersonic flame spraying. In industry, tungsten carbide is an ideal coating material that combines high-temperature resistance with excellent wear resistance. Applying a wear-resistant protective coating to devices can significantly enhance their performance and service life. The supersonic flame spraying method for applying tungsten carbide wear-resistant coatings is reliable and well-suited for mass production.

Roller-sprayed tungsten carbide coating—supersonic spraying for wear and corrosion resistance

Characteristics of Tungsten Carbide Thermal Spray Coatings: 1. The flame jet velocity is extremely high—typically 53 times the speed of sound. 2. The coating is highly dense with strong bonding strength; its porosity can be less than 1%, and the bonding strength can exceed 70 MPa. 3. The coating material exhibits low oxidation, minimal carbon loss, and high hardness.

Supersonic Spray Coating for Roll Processing

Metal thermal spraying technology is one of the commonly used metal surface protection techniques in modern industrial development. As this technology has matured, an increasing number of industries have begun adopting thermal spraying to enhance the surface strength and perform surface repairs on damaged mechanical components. Using metal thermal spraying technology to repair the surfaces of damaged products can effectively extend the service life of the substrate, thereby reducing costs and improving production efficiency—making it an important technological approach for modern industrial development. As a critical component in mechanical equipment, rolls are widely used across various industries. Therefore, it is essential to enhance their performance in areas such as wear resistance, corrosion resistance, and high-temperature resistance. Guangzhou Sanxin Supersonic Thermal Spraying Services endows rolls with these indispensable properties. Choose Sanxin—choose peace of mind!

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