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文章概述了攀钢U71Mn75kg/m重轨的生产工艺流程和具有代表性的孔型设计、缓冷及矫直工艺特点;介绍了试生产钢轨的性能和实验室进行的性能测试研究。
This paper gives an overview of the production process of Panzhihua Iron and Steel U71Mn75kg / m heavy rail and the representative characteristics of the hole design, slow cooling and straightening process; introduced the performance of the trial production rail and laboratory performance testing.