Bearing steel and method of manufacturing the same

Details Bearing steel and method of manufacturing the same Bearing steel and method of manufacturing the same

1985-03-04

1987-02-10

Rutledge, L. Dewayne

Alloys or metallic compositions

Ferrous

Chromium containing, but less than 9 percent

420100, 420128, 420118, 148333, C22C 3818

Patent

active

046422196

ABSTRACT:
A high-quality bearing steel contains 0.70 to 1.10% by weight of C, 0.15 to 1.60% by weight of Si, 0.15 to 1.15% by weight of Mn, 0.010% by weight or less of P, 0.002% by weight or less of S, 0.50 to 1.60% by weight of Cr, 0.015% by weight or less of Al, 0.0050% by weight or less of N, 0.0006% by weight or less of O, 0.0015% by weight or less of Ti, and the remainder of Fe together with impurities. The steel can further contain 0.05 to 0.50% by weight of Mo or a member or members selected from a group consisting of 0.05 to 0.30% by weight of V and 0.05 to 0.30% by weight of Nb. the bearing steel has an excellent durability life and cold workability.

REFERENCES:
patent: 3528088 (1970-09-01), Seghezzi et al.
patent: 3663314 (1972-05-01), Monma et al.
patent: 4491476 (1985-01-01), Tada et al.
patent: 4581079 (1986-04-01), Borik

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