Chromium carbide powder for stable operation at 800℃
The powder has a high hardness, with a microhardness of up to 2200HV. The hardness of the wear-resistant coating prepared from it can reach over HRC65, making it suitable for applications that require high-stress wear, such as surface strengthening of excavator bucket teeth and crusher hammer heads. The bonding strength between the coating and the substrate is high, reaching over 50MPa, and it is not easy to peel off, ensuring long-term usage effect. In mining machinery, parts treated with chromium carbide coating can withstand the severe impact and friction of ores, and their service life is increased by 4 to 6 times. Chromium carbide powder can be compounded with other wear-resistant material powders (such as tungsten carbide and molybdenum disulfide) to form a composite coating, which features both high wear resistance and self-lubrication, with a friction coefficient as low as 0.05. It is suitable for working conditions without lubrication or where lubrication is difficult. On the surface of the drying cylinder of papermaking machinery, this composite coating can reduce the frictional damage to the paper, prevent the paper from sticking together, and improve production efficiency. The particle size of the powder is uniform, with a particle size distribution deviation of less than 10%, which can ensure the uniformity of the microstructure of the coating and avoid performance defects
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