| 摘要 |
1. Bearing steel composed by weight of 0.9 - 1.15 percent carbon, 0.15-1.35 percent silicon, 0.2 -1.70 percent manganese, 0.35 - 2.1 percent chromium, and up to 1 percent molybdenum, wherein it contains 0.6 - 0.9 percent by weight of vanadium, up to 0.10 percent titanium and/or up to 0.05 percent niobium, with the equivalent of the summary content of vanadium, titanium and niobium being 0.6 percent V + percent Ti + 0.55 percent Nb 0.9 percent, the remainder iron and inevitable impurities.
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