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发明公开
CN103805903A 一种辙叉心轨用贝氏体钢 无效 - 撤回

一种辙叉心轨用贝氏体钢
摘要：
本发明公开了一种辙叉心轨用贝氏体钢，该贝氏体钢用的化学成分以重量百分数计由下列组份组成：C：0.03％-0.05％，Si：0.3％-0.5％，Mn：1.8％-2.0％，P：≤0.007％，S：≤0.006％，N≤0.0040％，Mo：0.25％-0.45％，Ti：0.03％-0.05％，Cr：0.6％-0.8％，Ni：0.9％-1.1％，Cu：0.3％-0.5％，V：0.020％-0.040％，B：0.002％-0.004％，Als：0.01％-0.02％，其他为铁和不可避免杂质。
摘要（英）：

The invention discloses bainitic steel applied to a frog. The chemical compositions of the bainitic steel comprise, by weight, 0.03% to 0.05% of C, 0.3% to 0.5% of Si, 1.8% to 2% of Mn, no more than 0.007% of P, no more than 0.006% of S, no more than 0.0040% of N, 0.25% to 0.45% of Mo, 0.03% to 0.05% of Ti, 0.6% to 0.8% of Cr, 0.9% to 1.1% of Ni, 0.3% to 0.5% of Cu, 0.020% to 0.040% of V, 0.002% to 0.004% of B, 0.01% to 0.02% of Als, and the balance of iron and unavoidable impurities.

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