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综述了非调质钢的发展及应用概况。全面研究了国产化非调质钢YF45MnV的性能、应用和强韧化机理等基本情况。并与 45和 40Cr钢调质处理后的情况进行了对比 ,分析探讨替代的可能性和可靠性。得出一些相应的结论
The development and application of non-quenched and tempered steel are summarized. A comprehensive study of the domestic non-quenched and tempered steel YF45MnV performance, application and strengthening and toughening mechanism and other basic conditions. Compared with 45 and 40Cr steel quenched and tempered, the possibility and reliability of substitution were discussed. Come to some corresponding conclusions