Environmental protection equipment: sludge dryer, paddle shaft, housing, trough body—sprayed with tungsten carbide wear-resistant coating.

Drying machine agitator blades Four-axis hollow paddle dryer Tungsten carbide wear-resistant coating for trough-body products

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.

Graphite boat dish coating with zirconia — Plasma spraying production line

1. Yttria-zirconia-graphite boat crucible ion-spray coating system production line 2. Graphite boat crucible surface coating with zirconia—high-temperature resistant zirconia coating for graphite plates

Supersonic Spraying of WC Tungsten Carbide on Ball Valve Disc

Our company employs an advanced supersonic flame spraying process to apply ultra-wear-resistant tungsten carbide coatings onto various components. The wear resistance of these coatings is 2 to 4 times higher than that achieved by other surface treatment processes and tens of times greater than that of ordinary stainless steel. The superiority of the supersonic process stems from its exceptionally high jet velocity and relatively low temperature at the workpiece surface—typically ranging from 120 to 200 degrees Celsius—which results in an extremely dense coating microstructure with excellent bonding strength. Moreover, the process causes minimal carbon loss and phase transformation in the substrate material. When comparing processes using the same materials, the hardness of supersonic coatings is significantly higher than that of other thermal spray coatings, reaching a hardness of HV1300. As a result, these coatings provide outstanding protection for a wide range of highly wear-prone components.

Tobacco accessory friction machine—paper-cutting wheel, paper-feeding wheel, and suction claw with wear-resistant coating sprayed with tungsten carbide.

The wear-resistant coating for paper-cutting wheels used in smoke-extraction equipment accessories provided by Guangzhou Sanxin can significantly enhance product quality and service life. Various paper-cutting wheels, paper-feed rollers, suction claws, shafts, and other components in smoke-extraction equipment accessories that require improved friction and extended service life—please feel free to call us for more information!

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.

Aerospace components: Aircraft landing gear coated with tungsten carbide.

Our company employs supersonic flame spraying technology to apply tungsten carbide coatings, enhancing surface hardness, wear resistance, and corrosion resistance.