1Development of S 355NL Ultra-thick Plate for Offshore Platform in Laiwu SteelGAO Lifu, LI Canming, WANG Jianjing, LI Yan1-32Cause Analysis on Poor Uniformity of the Properties in Same Plate of High-strength Steel Plate and Improvement MeasuresWANG Yong4-5,83Development of 25MnCrNiMoA Round Steel for Forging Hook Tail FramePEI Jianhua, ZHAI Zhenglong, YUAN Shujun, LI Xiaoxiong6-84D evelopment P ractice ofΦ45-Φ60mm H igh P recision H ot R olled R oundsJIANG Zilong, REN Li, ZHANG Qian9-105O ptimizing and T ransforming P ractice of H ot S tove for Q ingdao S teel’s No.6B FWEI Qinshuai, LIU Huan, WANG Dong11-12,176A nalysis on Influence F actors of M ould S ticking and Improvement M easuresGUO Yaorong, ZHAO Li, WANG Jisong, LI Chunmei, YUAN Tingting13-14,177Controlling of Nitrogen Content in 40CrB Steel Smelting ProcessZHENG Guiyun, ZHAI Zhenglong, LIANG Na, SUN Yongxi15-178Study on the Texture of Interstitial Free Steel during JSP-Double Stands Reversible Cold Rolling ProcessZHANG Peixue, LI Chen, ZHANG Lei18-20,239Coal Blending and Coking Test Replaced Fat Coal by a Characteristic CoalBO Tao, CHEN Changhua, MA Yongsheng, CHANG Yu, JI Tongsen21-2310Precipitation Behaviour of Vanadium-bearing High Strength Low Alloy SteelLIU Chengbao, CHEN Hui, CAI Xiaohui24-2611Numerical S imulation A nalysis of S lab C ontinuous C asting P rocessDUAN Yunbo, WANG Hao, DONG Fang27-2912Influence of the P article S ize of A ndalusite on the P roperties of R efractory P roducts for C oke D ry Q uenchingFU Wei, YAN Suxiang, QIN Jiantao30-31,3413Analysis of Microstructures and Property of Welded Joint of EH36 Thick Steel Plate for Offshore PlatformLI Min32-3414C ause A nalysis and C ontrol M easure of Nonconformity in U ltrasonic F law D etection for M edium H eavy P lateLIU Hui35-36,3915Cause Analysis of Surface Crack Defect of 30Mn2 Hot Rolled BarXU Zhigang, LIU Yong, ZHANG Yingtao, MA Xingtao, GAO Wenjuan37-3916C ombined D etermination of C hromium and V anadium in M anganese O re by P hotometryLI Qingxia, LIUYan, JIANG Hongjiao40-4117Determination of the TFe in Composite Carbon Iron Alloy by Burning Carbon Removal and Potassium Dichromate Titration MethodFU Shigang, MA Qingwen, WANG Junxiu, WANG Yanqin, LI Longxia42-43,4618Improvement of A nalysis M ethod of the T otal Iron in Ironmaking D usting A shTAN Zhengze, HAN Jingzeng, YIN Guoxun, ZHAO Shiwang, SUN Jianyuan44-4619Cleaner Production Practices of Refractory Manufacturers for Con-castingZHANG Huiying47-4920R eason A nalysis and R eformation of F ire L eakage of the H eating F urnace in Y uzun W ire R od P lant of Q ingdao S teelLI Xianying50-51 