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Advantages Of Alumina Ceramic Tube

Jul 05, 2021

1. Low running resistance

Because the inner surface of the alumina wear-resistant ceramic pipe is smooth and never corrodes, it is not like the convex spiral on the inner surface of the seamless steel pipe. The internal surface roughness and clear water resistance characteristics of the relevant testing units have been tested, and the internal surface smoothness is better than that of any metal pipeline, and the clearing resistance coefficient is 0.0193, which is slightly lower than that of seamless pipes. Therefore, the tube has the characteristics of low running resistance, which can reduce the running cost.

2. High hardness

Because the inner lining layer of the alumina wear-resistant ceramic tube is corundum ceramic (a-AL2O3), the Mohs hardness can reach 9.0, which is equivalent to more than HRC85. Therefore, it has high wear resistance to the abrasive media transported by metallurgy, electric power, mining, and other industries. Proved by industrial operation: its wear resistance life is ten times or even dozens of times that of quenched steel.

3. Long service life

Because the steel ceramic layer is (a-AL2O3), it is of neutral nature. Therefore, it has acid and alkali resistance and seawater corrosion resistance, and at the same time has the characteristics of anti-scaling, which can extend the service life of the pipeline.

4. Good temperature resistance

Because the corundum ceramic (a-AL2O3) is a single stable crystalline structure. Therefore, the composite pipe can operate normally in the temperature range of -50-700℃ for a long time. The coefficient of linear expansion of the material is 6-8×10-6/0C, which is about 1/2 of that of the steel pipe. The material has good thermal stability.

5. Low project cost

Alumina wear-resistant ceramic tubes are light in weight and reasonably priced. It is 50% lighter than the cast stone pipe of the same inner diameter; 20-30% lighter than the wear-resistant alloy pipe, and has good wear resistance and corrosion resistance. Because of the long service life, the support and hanger costs, handling costs, installation costs and Operating costs are reduced. Comparing the project budget and actual project by the relevant design institutes and construction units, the project cost of the pipe is equivalent to that of cast stone. Compared with the wear-resistant alloy pipe, the project cost is reduced by about 20%.

6. Convenient installation and construction

Because the tube is light in weight and has good welding performance. Therefore, welding, flange, quick connection, etc. can be used, which is convenient for construction and installation and can reduce installation costs.