1Operation Practice of Slag Carrying Rate Detection in Hot Metal of Laiwu Branch CompanyZHANG Jiong, ZHOU Xiaohui, ZHOU Lin1-22Practice of Inclusion Control in C72DA Steel RefiningWANG Zilong3-43Optimization and Application of Steel-Making Technology of Dual-Phase High Strength SteelZHANG Yongqing5-6,104Reason and Prevention of Welding Crack for Q420B SteelSU Huide, QIN Bingrong, LI Tianxu7-105Technical Application of Bisplate Steel Making and Heat Treatment ProcessGONG Pihai, ZHANG Haimin11-136Analysis of Cracking Reason of 22CrMoH Steel for Driving Bevel GearSUN Houjin, LIU Chunming, SUN Yaping, SUN Shaonan14-157Development and Rolling of Russian Standard C345 Series Structure Steel PlateLI Yan, MA Heng, LI Wenqiang16-188Analysis of Surface Crack of 40CrAH Round SteelSUN Yuanwei, YIN Yancheng19-209Research and Development of HC340LA Cold-rolled Steel StripZHAO Liming, QI Haiyan, HE Min, HOU Yuanxin, QI Zengyan21-22,2410The Development and Application of TMCP Process for Thin Q370qELI Fulei23-2411Cause Analysis and Control of Surface Defects of 4300 mm Heavy Plate in Laiwu SteelSHI Dayong25-2712Production Practice of Rolling Technology of Cold Rolled Steel Strip for Solar TankQI Zengyan, HOU Yuanxin, LIU Wenxian, LIU Junyan28-2913Study on Prediction Model of Suitable Moisture Content in Sintering Mixture GranulationZHOU Lin30-3214The Influence of Post Welding Heat Treatment on the Microstructure and Properties of Steel Plates for Pressure VesselsZHAO Yingjie, WANG Yuexiang, WANG Jianjun, MA Heng, CAO Yang33-3615Study on the Evolution of Surface Defects of Continuous Casting Slab During Round Bar RollingLIU Mingyuan37-4016Experimental Study on the Influence of Light Pressure on the Internal Quality of GCr15 Steel BilletYAO Liang, CHAO Xia, GAO Yunfei, LIU Yanxia, ZHANG Zhiwang41-4217Development of S460ML-Z35 High Strength Steel Plate For Bridge StructurePAN Zhongde43-4518Experimental Study on Indium and Tin Recycling from ITO Waste Target Based on Distillation MethodWANG Yang, CHEN Zhihua, LIU Yue, YANG Guifang, YUAN Mixue46-4919Analysis of Proficiency Testing Results of Chemical Composition of Testing in Shandong ProvinceCHEN Hongqiang, ZHI Hao, LIU Xuepeng, WANG Shenglu, WANG Xiangyang50-5220Analysis of Combustion Characteristics of Blast Furnace Injected Straw BiomassWANG Guoqiang53-55 