Nb Microalloyed Steel of Grain Coarsening Law


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With the process parameters and processing conditions in the mill, a systematic experimental research were conducted to Q345 steel containing niobium austenite grain growth law, and analysis the dissolution and precipitation behavior of Nb carbonitride. The results shows that Nb-microalloyed steel heated to 1180 ~ 1230 °C can significantly improve strength and toughness of steel and performance.



Edited by:

Yongbo Shao, Shuguang Hao, Yuping Luo, Jibo Xing and Zhiyong Liu




F. Liu and J. C. Zhang, "Nb Microalloyed Steel of Grain Coarsening Law", Applied Mechanics and Materials, Vols. 174-177, pp. 433-436, 2012

Online since:

May 2012




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