Low-pollution production of chromium carbide powder
Chromium carbide powder is often irregular grayish-black particles with a particle size of 10-40μm, a purity of ≥98%, and a free carbon content of ≤0.5%. It features high hardness and excellent wear resistance, with a bulk density of 2.9-3.2g/cm³, and is suitable for thermal spraying and surfacing processes. It is widely used for surface strengthening of easily worn parts such as mine crusher liners and metallurgical roller tracks, effectively resisting material erosion and extending the service life of equipment. 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.
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