"Improvement of Cleanliness for Bearing Steel Through Optimizing Tundish Shape & Refining Process. "

by "Shinji Yoshimura "

Publisher - "Aichi Steel Corporation, Tokai-shi. Japan "

Category - Engineering & IT

"We produce the structural steel products for the automobile. Our manufacturing process consists of electric arc furnace, refining, continuous casting, billet rolling, and round bar rolling. The structural steel products are requested for the quality more and more severely by automobile industry, and especially for the cleanliness level. Especially bearing steel requires cleanliness level more severely among the structural steel. This report is mentioned about improving cleanliness of bearing steel through optimizing tundish shape and refining process. In order to optimize tundish shape, we conducted a computer analysis and a water model analysis. In refining process, we investigated inclusion generation and implemented countermeasures. "

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