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文章对高强度螺栓用 2 2Cr2Ni4MoV钢的力学性能及金相组织进行了试验研究 ,提出了 2 2Cr2Ni4MoV钢的最佳强韧化热处理工艺。
In this paper, the mechanical properties and microstructure of 2 2Cr2Ni4MoV steel for high strength bolts are studied and the optimal toughening heat treatment process for 2 2Cr2Ni4MoV steel is proposed.