Rolling process of high performance extra-heavy steel plate based on reducing rolling torque
LIU Jian-feng1,2, XIONG Xiong2, XU Li-jun1, GE Qi-lu1, QIU Sheng-tao1
1. National Engineering Research Center of Continuous Casting Technology, CISRI, Beijing 100081, China; 2. Medium Plate Plant, Xinyu Iron and Steel Co., Ltd., Xinyu 338001, Jiangxi, China
Abstract：To obtain extra-heavy steel plate with qualified comprehensive properties, the rolling process of extra-heavy steel plate was optimized. Effects of rolling pass reduction, rolling speed and start rolling temperature on rolling torque and mechanical properties of the plate were studied by torque test, microstructure and mechanical properties analysis of the plate. The results show that increasing start rolling temperature and reducing rolling speed of rough rolling pass can effectively control deformation resistance of the steel plate, reduce rolling load, and increase central deformation in the plate. The mechanical properties of the steel plate are obviously increased, and the tensile and impact properties in the thickness direction are significantly improved.
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LIU Jian-feng, XIONG Xiong, XU Li-jun, GE Qi-lu, QIU Sheng-tao. Rolling process of high performance extra-heavy steel plate based on reducing rolling torque[J]. China Metallurgy, 2022, 32(1): 83-89.
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2022, Vol. 32 
