Effect of holding time on austenite grain size of J55 casting slab
LU Jue-yu;DU Cheng-wei;LI Yang;ZHANG Jia-quan;JIANG Zhong-kuai;SU Rui-xian;WANG Hong-feng;ZHOU Xiu-li;School of Metallurgical and Ecological Engineering;University of Science and Technology Beijing;Shanghai Meishan Steel;