1Production Practice of Optimizing Raw Materials for Blast Furnace ChargingCHEN Yan, ZHANG Wenzheng1-32Exploration and Practice of Liquid Refining Slag Recycling ProcessTIAN Fengxi, SHI Yongsheng, DAI Chunyan4-53Production Practice for 120 t Double Water Mouth LF Refining LadleLI Mingjun6-7,124Analysis and Economic Improvement of Bending Cracking of Low Alloy Steel StripLIU Shanshan, SUN Qian, XU Ruiliang, YIN Haiyuan, ZHANG Jinbo, WU Xiujun8-125Development and Production of Q355B Low Alloy High Strength Structural SteelLIAN Jingxi, XIE Hongchao, HE Jiyong, WU Xiangming, LI Pengchao13-166Development and Production for High Performance Special Container Steel PlateYUAN Qiangpeng, SUN Qian, CHENG Xinli, ZHANG Jinbo, CHEN Meng, WANG Zhizhong17-19,237Research and Development of Ultra-thin Tin Base Plate for 0.105-0.25 mm Printed Iron CansYANG Zhijie, DU Shouzhong, HOU Yuanxin, LIU Wenxian, QI Xinjie20-238Effect of Heat Treatment Process on the Mechanical Properties of 52CrMoV4 High Strength Spring SteelZHAO Lei, JIANG Chao, CHANG Zhiyuan, ZHANG Jinxin, LI Ze24-25,289Analysis and Improvement of Center Segregation in 30Cr13 Medium Thick PlateJIANG Peng, HU Ziming, LI Cui, CAO Peng, ZHANG Lin26-2810Effect of Theoretical Combustion Temperature on Blast Furnace ProductionMA Qiqi, XIE Chengcheng, ZUO Jun, GUO Qifei, LIANG Chen29-31,3311Influence of Sample Size on Elongation after Fracture of Low Alloy SteelWANG Lili, HU Ziming, WU Yuhong32-3312Development and Practice of LF Refining Furnace Temperature Prediction ModelZHAO Ge, WANG Xueming, HE Sai34-3613Regression Analysis of Chemical Composition and Properties of Low Alloy SteelsYANG Hongyu, SUN Qian, CHENG Xinli, SUN Yinglun, LIU Zhiguang, YUAN Qiangpeng37-4014Determination and Analysis of the CCT Curve of 52CrMoV4 Spring SteelWAN Yuan, ZHANG Jinxin, LI Ze, LIU Yuanbo, ZHANG Zengrui41-4315Optimization and Calculation of Aluminium in GCr15 Bearing Steel during Production ProcessGUO Fajun, SHI Xiangtao, LI Yonghui, CUI Jianhai, LI Xiangcai44-4716Cause Analysis and Improvement of Inclined Crack in Low Alloy Steel Square Pipe after WeldingWANG Zhe, SUN Qian, HOU Guangda, ZHENG Li, LI Cheng, YANG Hui48-50,5317Failure Analysis of Fatigue Fracture of Low Alloy Steel Circular PipesSUN Qian, CHENG Xinli, XU Rruiliang, HE Kang, YIN Lei, ZHANG Xiaodong51-5318Development of Explosion-Proof Quick-Drying Self-Flowing Castables for Water-Cooled Beam WrappingWANG Jintao, LI Zongbao, YU Beibei, REN Jianxiu, SUN Xueyun54-5619Renovation Practice of Intelligent Combustion System for Steel Rolling reheating FurnaceSHAO Changqing, YUAN Xunshan, ZHANG Yuanji, CHENG Jingjing57-5920Application of Pneumatic Automatic Slagging System in Billet Continuous Casting MachinePENG Gaoxian, WANG Gang, CAI Yajuan60-61,64