1Discussion about Economic Lining Life of BOFLI Mingyang, FENG Chao, HU Fanjin1-32Advances in Materials and Manufacturing Processes for Wear Resistant Layer of Copper Crystallizer SurfaceKONG Ang, GONG Benkui, DONG Zhichao4-73Discussion on the Technology for Cold Rolled Hot Dip Galvanizing LineKANG Huawei8-104Development of X65M Pipeline Steels with 31.75 mm ThicknessLIU Zhigang11-14,175Development of P22 Tube Blank Steel for High Pressure Boiler TubeYUAN Shujun, LI Yecai15-176Development of American Standard Weathering Low Alloy Steel A588 Grade AGAO Lifu, HOU Gang, ZHANG Yongju18-19,257New Technology Adopted and Operation Practice in No.3 3 200 m3 BF in Laiwu SteelJIA Lijun, MENG Shumin, WANG Bing20-228Application of“Double Slag and Slag-remaining”Technology in the Production of Tire Cord SteelZHAO Honglun, LI Shenggen23-259Process Optimization and Quality Control of 65Mn Saw SteelGUO Da26-2810Quality Optimization and Improvement Measures of Q345B Rectangular Flat SteelLI Xiangcai, ZHANG Yusen29-3111Improvement Practice for the Rolling Quality of Cold Rolled Steel StripWANG Yongsheng, TANG Guodong, YAN Zhaoshun, HOU Yuanxin32-33,3512Design and Application of Plug-in Gas FlowmeterLI Zhenqiang34-3513Tangshan 3 200 m3 Blast Furnace Slag Composition and Performance AnalysisLI Xiubing, ZHAO Jun36-37,4214Double Injection Currents Protection Pouring of Profiled BilletYANG Zhijie, ZHOU Xiaolei38-3915Analysis of the Influence of Deformation Temperature on the Mixed Grain Structure of Steel PlateYU Shuang40-4216Geological Characteristics and Genesis of Joe Puka Iron Ore DepositZHANG Xiaodi, SHAO Mingguo, GUO Chao43-44,4917Experimental Study on Industrial Test of Hot Metal Desilicon in KR ProcessWANG Xiaopu45-46,4918Local Motion Analysis and Optimization Design of Wire Rod Step Cooling BedLI Yongfeng47-4919Rapid United Analysis of Si, P, Ca, Ba and Al in Silicon Aluminum Barium Calcium AlloyWANG Jixiang, LI Lingyun, MA Fang, LI Yu50-5220Build Delicately the Resource-conserving Mining EnterpriseZHANG Jiwei53-54,56 