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《Materials for Mechanical Engineering》 2012-01
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Quenching and Tempering Technology of Q960 Steel Used for Engineering Machinery

KANG Jian1,LU Feng1,2,WANG Chao1,WANG Zhao-dong1,WANG Guo-dong1(1.State Key Lab of Rolling and Automation,Northeastern University,Shenyang 110004,China; 2.Wide Heavy Plate Project Manager Department of Tangshan Iron and Steel Corporation,Tangshan 063000,China)  
To develop Q960 steel plates used for engineering machinery,heat treatment technologyies of quenching and tempering was studies.The results show that the optimum quenching technology was heating at 900 ℃ for 20 min,and the optimum tempering technology was heating at 600 ℃ for 40 min.The microstructure of tested steel was temper sorbit after optimum quenching and tempering heat treatment,and yield strength,tensile strength,elongation and impact energy at-40 ℃ respectively was 1 030 MPa,16.8% and 144 J,they could meet the acquirement of GB/T 16270-2009.
【Fund】: 中央高校基本科研业务费资助项目(N090607001);; 国家科技支撑计划项目(2006BAE03A08)
【CateGory Index】: TG161
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