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Application of Laser Cladding Nickel Chromium Molybdenum Alloy in Metallurgical Continuous Casting Rolls
Date:2025-12-04 14:01     Source:daokedao     Browse:7

Metallurgical continuous casting rollers face dual losses of high-temperature oxidation and roller surface wear in the cooling and transportation of high-temperature molten steel. The average service life of traditional material continuous casting rollers is only 30-45 days, and frequent replacement leads to production interruption. The Daokedao automated laser cladding equipment uses Ni Cr Mo nickel chromium molybdenum alloy powder to melt a 4-6mm wear-resistant and heat-resistant layer on the surface of the continuous casting roll. The high-temperature hardness of the cladding layer reaches HRC50 or above (in an environment of 600 ℃), and its oxidation resistance is three times higher than that of traditional materials. The bonding strength exceeds 400MPa. The application in a certain steel plant shows that the service life of continuous casting rolls after melting has been extended to 180 days, and the annual replacement frequency has been reduced from 8 times to 2 times. The annual cost savings of spare parts for a single continuous casting line exceed 200000 yuan. The high-temperature melting stability technology of the equipment ensures a 100% compliance rate of roll surface accuracy.

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