| 摘要 |
A steel alloy for a bearing, the alloy having a composition comprising: from 1.1 to 1.6 wt.% carbon, from 0.1 to 1.5 wt.% silicon, from 0.1 to 1.0 wt.% manganese, from 2.0 to 6.0 wt.% chromium, from 1.0 to 10.0 wt.% molybdenum, from 0.5 to 3.0 wt.% tungsten, from 0.5 to 5.0 wt.% vanadium, from 0 to 5.0 wt.% cobalt, from 0 to 0.3 wt.% copper, from 0 to 0.25 wt.% nickel, from 0 to 0.05 wt.% aluminium, from 0 to 0.1 wt.% niobium, from 0 to 0.2 wt.% tantalum, up to 150 ppm nitrogen, up to 30 ppm titanium, the balance iron, together with any unavoidable impurities. |
