1Application Practice of Reducing Inclusions Content in Direct Continuous Casting of Converter Molten SteelLI Junhui, ZHANG Yongliang, FANG Weiwei, HE Kun, BI LiyanProduction Technology1-2,52Formation Reason and Control Measure of Surface Crazing of Maglev Vehicle Sleeper Weather Resisting H BeamHUO XiweiProduction Technology3-53Production Practice of 17CrNiMo6 Gear SteelYUAN ShujunProduction Technology6-84Development of Low Temperature Controlled Rolling Four Slitting Rolling Technology for 16 mm Hot Rolled Ribbed BarLI JunfangProduction Technology9-105Analysis of Solidification Structure of Continuous Casting Billet of GCr15 SteelYIN Yancheng, LI Chongjian, HAN LijuanProduction Technology11-136Measurement and Envisagement for Long Campaign Life of BOF TapholeGUO QiangProduction Technology14-15,187Analysis and Countermeasures of Black Spot Defects in Transportation of Hot Dip Galvanized CoilXUE Guangpeng, FENG Zhanfa, ZHANG Yichao, LIU ZhijianProduction Technology16-188Analysis of Surface Longitudinal Crack of 20MnCr5 Rolled MaterialWEI Xinyan, LI Chongjian, ZHAO Lei, Li HongruiProduction Technology19-21,249Improvement of Profile Detection and Control Technology for Hot Strip RollingLING Aibing, FU WenpengProduction Technology22-2410Overview of High-speed Bar Production Technology and EquipmentHAO LiqiangProduction Technology25-2711Causes of Disorderly Spinning in High Speed Wire Rod Mill and Its Rectification MeasuresLIU Zhijian, YUAN Xiaoyin, LI Yongfa, WANG TongProduction Technology28-29,3112Analysis of Cold Heading Cracking of ML20MnTiB SteelHAN Lijuan, YIN Yancheng, WEI XinyanProduction Technology30-3113Cause Analysis of Poor Wear Resistance of Inner Wall of Blast Furnace Coal Injection PipeJIANG Peng, WU Yuelong, BI Liyan, GE Xianwei, WU YanProduction Technology32-3314Research on Microstructure and Properties for 400 HBW Thick Wear-resistant Steel PlateWANG Xiangdong, ZHOU Ping, HOU Donghua, WANG Jing, HUANG ShaowenTest Research34-3815Microstructure and Mechanical Properties of Welding Heat-Affected Zones of a V-N Microalloyed SteelYU Quancheng, GU Daqing, MA HengTest Research39-4516Study on the Determination of Austenite Continuous Transformation Curve of Low Manganese Titanium Microalloyed Q355B SteelQI Fuchuan, HUANG ZhidongTest Research46-4817Rapid Determination of Impurities in Germanium Tetrachloride by ICP-OESWANG Yang, CHEN Zhihua, YUAN Mixue, YU YihaiTest Research49-51,5618Research on Modeling and Simulation of Endless Rolling by Shear Compression Bonding of Intermediate SlabLAN Yu, WANG Xiaochen, HE Hainan, YUAN XueTest Research52-5619Practice of Low Iron Consumption and Fast Rhythm Production in Xuanhua SteelCAI FeiEnergy Saving and Pollution Reducing57-58,6020Improvement and Application of Turbid Circulating Water Treatment SystemMIAO Zhenhua, SUN Qingxia, XU LiangEnergy Saving and Pollution Reducing59-60 