Wear-resistant ceramic composite pipe
Wear-resistant ceramic composite pipe, also known as ceramic-lined composite steel pipe, is a type of ceramic composite steel pipe. Made using advanced production technology—the self-igniting high-temperature cladding synthesis method—the pipe is composed of corundum ceramic, transition layer, and steel in three layers from the inside out. The ceramic layer forms a dense corundum ceramic (Al2O3) at temperatures above 2200°C, which is firmly bonded to the steel pipe through the transition layer.
Wear-resistant ceramic composite pipes, by fully utilizing the high strength, good toughness, impact resistance, excellent welding properties of steel pipes, as well as the high hardness, high wear resistance, corrosion resistance, and good heat resistance of corundum ceramic, overcome the shortcomings of steel pipes such as low hardness, poor wear resistance, and poor toughness of ceramics. Therefore, composite pipes possess excellent comprehensive properties including good wear resistance, heat resistance, corrosion resistance, resistance to mechanical and thermal shock, and good weldability. They are ideal for conveying granular materials, abrasive processes, corrosive media, and other applications requiring wear and corrosion-resistant piping.
Features excellent wear, corrosion, and heat resistance, making it widely applicable in industries such as power, metallurgy, mining, coal, and chemicals for conveying abrasive materials like sand, stone, coal powder, slag, and aluminum liquid, as well as corrosive mediums. It is an ideal wear and corrosion-resistant pipeline.
SHS - Self-Sustaining Combustion Ceramic Composite Pipe Features
Excellent wear resistance
Ceramic composite pipes, with their inner lining made of corundum ceramic (α-Al2O3), boast a Mohs hardness up to 9.0, equivalent to over HRC 90. As a result, they exhibit excellent wear resistance for conveying abrasive media in industries such as metallurgy, electricity, mining, and coal. Industrial operation has proven that their wear life is ten times or even dozens of times that of quenched steel.
2. Low operating resistance
SHS ceramic composite pipes feature a smooth inner surface and are non-corrosive, unlike seamless steel pipes which have a rough, helical ribbing on the inner surface. After testing by relevant authorities, the inner surface smoothness of these pipes exceeds that of any metal pipeline, with a resistance coefficient of 0.0193, slightly lower than that of seamless pipes. Consequently, these pipes offer lower operating resistance, potentially reducing operational costs.
3. Corrosion-resistant and scale-inhibiting
The steel ceramic coating is (a-AL2O3), which is neutral in nature. Therefore, it boasts resistance to acids and alkalis, as well as corrosion from seawater, along with features like anti-scaling.
Good thermal and thermal shock resistance properties
Due to the monolithic and stable crystalline structure of this corundum ceramic (a-AL2O3), composite pipes can operate continuously over a long period within a temperature range of -50 to 700°C. The linear thermal expansion coefficient of the material is approximately 6-8×10-6/°C, which is about half that of steel pipes. The material exhibits excellent thermal stability.
Pipe wear and replacement have brought numerous unnecessary inconveniences and troubles to various industrial and mining enterprises, reducing the operation time of equipment. In response to the wear issues of pipes and elbows, our company employs advanced manufacturing processes to develop and produce wear-resistant ceramic composite pipes and other products, committed to solving the pipeline wear problems of various industrial and mining enterprises.
