Production of High-Quality Wheel Steel. Part 2. Nonmetallic Inclusion Composition and Morphology

D. A. Pumpyanskiy,S. V. Tyutyunik,E. A. Kolokolov,A. A. Mescheryachenko,I. S. Murzin,V. V. Emel’yanov,S. S. Belonozhko,A. M. Arsenkin

METALLURGIST（2021）

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摘要

Metallurgical quality parameters for continuously-cast wheel steel billets prepared by technology described in part 1 of the article are studied. Morphology, volume fraction, chemical composition, and location of nonmetallic inclusions in different areas of continuously-cast billets modified with calcium are examined. It is shown that continuously-cast wheel steel billets manufactured by technology introduced in AO TAGMET correspond entirely to specifications for high-speed railway transport products.

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关键词

wheel steel,continuously cast billet,nonmetallic inclusions,calcium modification

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