SYMPOSIA PAPER Published: 01 January 1993
STP24841S

Production of High Life Bearing Steels by Ladle Refining and Electroslag Remelting in Daye, China

Source

The metallurgical characteristics and properties of bearing steel processed by ladle refining with vacuum argon deoxidation (VAD), with nonvacuum argon stirring (AS), and with electroslag remelting (ESR) are reported in this paper. Based on analysis, determination of nonmetallic inclusions in steel, and fatigue life test of steel products, the main results obtained are as follows: (1) due to low oxygen content, fine dispersion, improved characteristic and morphology of inclusions, and elimination of D-type inclusions in steel, the fatigue life of electric furnace (EF) + VAD or AS steel is twice as high as that of EF steel; (2) although the amount of inclusion and oxygen in ESR steel is higher than that of ladle-refined steel, the fatigue life of ESR steel is higher than the latter because of its fine and well dispersed inclusion.

Author Information

Zhou, D-G
Daye Steel Works, Huangshi, Hubei, China
Wang, C-S
Daye Steel Works, Huangshi, Hubei, China
Xie, Y-Q
Daye Steel Works, Huangshi, Hubei, China
Wan, Y-S
Daye Steel Works, Huangshi, Hubei, China
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Details
Developed by Committee: A01
Pages: 284–292
DOI: 10.1520/STP24841S
ISBN-EB: 978-0-8031-5246-5
ISBN-13: 978-0-8031-1850-8