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发明授权
CN106636883B 高寿命轴承钢及其制造方法 失效 - 权利终止 转让

高寿命轴承钢及其制造方法
摘要：
本发明提供了高寿命轴承钢，包含：碳0.96～1.03wt％，硅0.15～0.35wt％，锰0.25～0.45wt％，铬1.4～1.6wt％，镍0.05～0.09wt％，钼0.02～0.08wt％，铝0.007～0.030wt％，铜0.04～0.08wt％，钇0.002～0.030wt％；磷小于0.01wt％，硫小于0.008wt％，钛小于0.0025wt％，氧小于0.0008wt％，砷小于0.012wt％，锡小于0.002wt％，锑小于0.005wt％，铅小于0.002wt％，钙小于0.001wt％；其余成分为铁。本发明通过严格控制轴承钢中的元素含量，使得轴承钢具有更好的性能。
摘要（英）：

The invention provides long-life bearing steel. The long-life bearing steel comprises 0.96wt%-1.03wt% of carbon, 0.15wt%-0.35wt% of silicon, 0.25wt%-0.45wt% of manganese, 1.4wt%-1.6wt% of chromium, 0.05wt%-0.09wt% of nickel, 0.02wt%-0.08wt% of molybdenum, 0.007wt%-0.030wt% of aluminum, 0.04wt%-0.08wt% of copper, 0.002wt%-0.030wt% of yttrium, less than 0.01wt% of phosphorus, less than 0.008wt% of sulphur, less than 0.0025wt% of titanium, less than 0.0008wt% of oxygen, less than 0.012wt% of arsenic, less than 0.002wt% of tin, less than 0.005wt% of antimony, less than 0.002wt% of lead, less than 0.001wt% of calcium, and the balance iron. The long-life bearing steel has better performance by strictly controlling the content of the elements in the bearing steel.

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