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发明公开
CN102864368A 一种孕育铸铁及其制备方法 失效 - 权利终止

一种孕育铸铁及其制备方法
摘要：
本发明提供一种孕育铸铁及其制备方法，属于金属材料领域，涉及一种孕育铸铁及其制备方法。孕育铸铁，各成分的重量百分含量如下：C3.3-3.5％，Si1.3-1.5％，Mn1.3-1.6％，P0.03-0.05％，S0.06-0.07％，Cr21-23％，Nd0.25-0.29％，Sn0.25-0.29％，Ti0.25-0.29％，Se0.25-0.29％，其余为Fe。制备方法为：称取各原料，制备合金液，将Nd-Sn-Se-Ti-Zn加入合金液中，铸造成铸锭，加热并保温，空淬，回火后得到孕育铸铁。该孕育铸铁具有良好的综合性能，材料成本低，制备简单。
摘要（英）：

The invention provides inoculated cast iron and a preparation method thereof and belongs to the field of metal materials. The inoculated cast iron comprises, by weight, C 3.3-3.5%, Si 1.3-1.5%, Mn 1.3-16%, P 0.03-0.05%, S 0.06-0.07%, Cr 21-23%, Nd 0.25-0.29%, Sn 0.25-0.29%, Ti 0.25-0.29%, Se 0.25-0.29% and the balance Fe. The preparation method comprises the steps of weighing raw materials, preparing molten alloy, adding Nd-Sn-Se-Ti-Zn into the molten alloy, casting a mixture into casting ingots, and performing heating, heat preservation, air quenching and tempering to obtain the inoculated cast iron. The inoculated cast iron has good comprehensive performance, the material cost is low, and the preparation method is simple.

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