The 6th International Conference on High Strength Low Alloy Steels (HSLA Steels'2011) Beijing, China May 31-June 2, 2011 Organized by The Chinese Society for Metals CONTENTS Plenary Sessions The State-of-Art and Development Trends of HSLA Steels in China WENG Yu-qing, YANG Cai-fu, SHANG Cheng-jia 1 Modern Microalloyed Steels Garcia C Issac, Suikkanen Pasi P, Hua Mingjian, Deardo Anthony J 14 The Development ofAdvanced HSLA Steel in Angang in Low Carbon Age ZHANG Xiao-gang 22 Different Roles for Vanadium as a Microalloying Element in Structural Steels Hutchinson Bevis 29 Development and Application ofHigh Performance X80 Line Pipe for the 2nd West-East Gas Pipeline LI He-lin, HUO Chun-yong, JI Ling-kang, LI Yang 3 9 Advanced HSLA Steels for Automotive Use Sekita Takashi, Seto Kazhiro, Funakawa Yoshimasa 49 Niobium in Microalloyed Steels Unchallenged for Its MainApplications Nogueira Marcos A Stuart, Carneiro Tadeu 57 High-Strength Nanostructured Cold-Resistant Steels for Continental Shelf Development Oryshchenko A S, Khlusova E I, Orlov V V 66 Latest Progress of Low-Alloy High-Strength Steels in Baosteel LU Jiang-xin 72 Microalloyed Steels for Heat Treating Applications at Higher Process Temperatures David K. Matlock, John G. Speer, Steven G. Jansto, Marcus Stuart 80 High Performance Structural Steels for Shipbuilding and Offshore Structures Choo Wung-Yong, Suh In-Shik, Kim Sang-ho, An Gyu-Baek, Lee Chang-Sun 90 Research and Practice of Production Technology for High Performance Low Alloy Steels in WISCO FU Lian-chun, GUO Ai-ming, LIU Ji-bin, GUO Bin, CHEN Yan-tang 99 New Microalloyed Steels for Forgings Christoph Keul, Wolfgang Bleck 104 Development ofNew Type Mn-Series Bainitic Steels in China BAI Bing-zhe, GAO Gu-hui, ZHENG Yan-kang, YANG Zhi-gang 112 Physical Metallurgy and Properties Stress Oriented Hydrogen Induced Cracking of Linepipe Steel Wan Keun Kim, Gyu Tae Park, Kyoo Young Kim 121 Effect of Carbon on Dynamic Recrystallization Behavior of Vanadium Microalloy Steels LIU Guo-quan, ZHAO Hai-tao, WU Jin-bin, WANG Cheng-yang, XU Lei 129 Analysis of the State of the Fine-Dispersive Precipitations in the Structure of High Strength Steel Weldox 1300 by Means of Electron Diffraction Ozgowicz Wojciech, Labisz Krzysztof 135 Effect of Heat Treatment on the Mechanical Properties and the Carbide Characteristics of a High Strength LowAlloy Steel ZHANG Wen-feng, HU Ping, ZHOU Qiang-guo, YAN Wei, SHAN Yi-yin, YANG Ke 143 Precipitation Kinetics on a Nb - V Microalloyed Steel Cartaya Elio Armando, Cabrera Jose Maria, Prado Jose Manuel 148 Investigation on Precipitation Transition in CGHAZ for TRIP Steels Containing Vanadium and Titanium ZHANG Mei, FU Ren-yu, Cooman De B C, LI Lin 154 Understanding Hydrogen Redistribution During Steel Casting, and Its Effective Extraction by Thermally Induced Up-Hill Diffusion Gaude-fugarolas Daniel 159 Effect of Inclusions Containing Ti, Mg on Microstructure and Performance of HAZ in Low Carbon Steel ZHAN Dong-ping, MA Jiang-hua, JIANG Zhou-hua, HE Ji-cheng, YU Jin 164 Influence of Microstructures on Polarization Resistance and Hydrogen-Induced Cracking of a Micro-Alloyed Steel Submitted to Different Cooling Rates Gonzalez M R, Martins de Araujo D S, Goldenstein H, Alonso-Falleiros N 168 Effect of TiO,v Particle on Grain Refining of HAZ SHU Wei, WANG Xue-min, LI Shu-rui, HE Xin-lai 173 Static Tensile Deformation Behaviors ofan Fe-30Mn-3Al-3Si TWIP Steel Studied by In-Situ Neutron Diffraction Tsuchida N, Ueji R, Yin F, Tomota Y 178 Effect of Microalloying, Principally With Vanadium, Processing Conditions and Microstructure on Resistance to C02 Corrosion Edmonds David, Cochrane Robert, Grau Rosa 183 Phase Transformation and Mechanical Properties of an Ultrahigh Strength Steel S. Chatterjee, S. K. Ghosh, P. S. Bandyopadhyay, Sanak Mishra 192 Martensite Transformation and Its Control in DP, TRIP and TWIP Steels LI Lin, GAO Yi, SHI Wen, LIU Ren-dong, HE Yan-lin, FU Ren-yu, ZHANG Mei, WANG Hua 200 Effect of Niobium on Transformations From Austenite to Ferrite in Low Carbon Steels Wang Li, Parker Sally, Rose Andrew, West Geoff, Thomson Rachel 208 Microstructure Evolution as an Effect of Strain Reversal During the Hot Deformation of Microalloyed Steels Muszka Krzysztof, Sun Lin, Palmiere Eric, Majta Janusz 213 The Evolution of Ultrafme Grained Structure Formation Through Isothermal Static Phase Transformation Hossein Beladi, liana B Timokhina, Subrata Mukherjee, Peter D Hodgson 218 Induced Surface Austenitic-Martensitic Transition by Mechanical Deformation in Mn Steel. Effect of Surface Properties Boutarek-Zaourar Naima, Mansour Samir, Amara Sif Eddine 223 Effect of Nb on Microstructure Evolution in Cold Rolled Dual-Phase Steels: Interaction of Recovery, Recrystallization and Phase Transformations SONG R, JUN H, Pottore N, Fonstein N, Bhatta Charya D, Jansto S 228 Effect of Strain Path Reversal on Austenite Grain Subdivision and Deformation Induced Ferrite Transformation Studied by Hot Torsion Sun Lin, Muszka Krzysztof, Wynne Bradley P, Palmiere Eric J 233 Effect of Composition and Processing Parameters on the Formation of Nano-Bainite in Advanced High Strength Steels liana Timokhina, Hossein Beladi, Xiang Xiong, Peter Hodgson 23 8 Chemistry Design of B-Containing Ultra-Heavy Plate Steels Aided by Thermo-Calc Calculation PAN Tao, WANG Xiao-yong, WANG Hua, LI Yun, SU Hang, YANG Cai-fu 242 Effect of Microalloying Additions on the Microstructure and Mechanical Properties of Low Carbon Steel EISSA Mamdouh, ABD El-Aziz Ahmed, GHALI Saeed, HALFA Hossam, SABER Shady 246 Correlation of Microstructure and Hydrogen Delayed Fracture for lGPa Steels Hee Jae Kang, Ji Tae Park, Soon Tae Ahn, Kyung Mox Cho, Nam Hyun Kang 252 Microstructure and Deformation Mechanics of X100 Line Pipe Steel LI Yang, MENG Li, JI Ling-kang, LI He-lin 255 Tensile Mechanical Behavior of Cold Rolled Si-Mn Steel Under Different Strain Rates HE Yan-lin, LIN Yun-tao, HE Zhong-ping, ZHU Na-qiong, LI Lin 262 Influence of V(C,N) Precipitates on Microstructure and Mechanical Properties of Continuous Cooled C-Mn-V Carlos Garcia-Mateo, Carlos Capdevila, Juan Cornide, Jesus Chao, Francisca G Caballero, Carlos Garcia de Andres 266 Two-Sublattice Thermodynamic Model on Carbonitride Precipitation in Microalloyed Steels Bearing Nb-V-Ti XIANG Song, LIU Guo-quan 271 Strain Influence on the Precipitation Kinetic Nb-V Microalloyed HSLA Steel Cartaya Elio Armando, Cabrera Jose Maria, Prado Jose Manuel 278 Segregation of C and P in Steel Droplets Solidified in Drop Tube LINa, ZHANG Jun-wei, ZHAI Lu-lu 282 Effect of Isothermal Annealing on Nano Ti-Carbides Precipitation Cheol-ho Park, Woo-jin Kim, Nam-hyun Kang, Hyung-hyup Do, Kyung-Mox Cho 287 Precipitates and Hydrogen Permeation Behavior in Vanadium-Bearing Microalloyed Low Carbon Steel XU Chun, LI Xiao-jie, SHEN Da-guang 290 Influence of Mo on Dynamic Continuous Cooling Transformation of 1000 MPa Cold Rolled Dual Phase Steel ZHAO Xian-meng, KANG Yong-lin, HAN Qi-hang 296 Effect ofNb, Mo and Ti on the Microstructures and Mechanical Properties of 700MPa Weathering Steel WANG Bing, SONG Yu-lai, WEN Xiao-ming, WANG Hou-xin, LIU Qing-you 300 The Effect of Nb on Mechanical Properties ofQuenching and Partitioning Steels ZHU Shuai, KANG Yong-lin, REN Kang-kang, WANG Chuan 306 Stress-Strain Partitioning Analysis in Dual Phase Steels Eun-Joon Chun, Nam-Hyun Kang, Yong-Ho Park, Man-Been Moon, Jun-Yun Kang 310 Effect of the Small Reaustenized Grains on the Mechanical Properties of a HSLA Steel ZHAO Lian-yu, WEI Yan, SHAN Yi-yin, YANG Ke 312 Microstructure and Properties of 980MPa Ultrafme-Grained Cold Rolled Dual-Phase Steels HAN Qi-hang, KANG Yong-lin, ZHAO Xian-meng 316 Whole Field Strain Measurement ofHigh Strength Steel Under Plain Strain Condition CHEN Ke, LIN Jian-ping, SMITH Lorenzo M, ZHOU Qing-wei 320 Banded Microstructure Formation and Its Effect on the Performance of 06Ni9 Steel LIU Dong-feng, WANG Zheng-guo, WEI Ying-hui, CUI Tian-xie, PAN Qi-fa, HOU Li-feng 325 Effect of the Deformation Twin Density on the Corrosion Behavior in TWIP Steel CHU Guo-dong, WEI Ying-hui, LI Da-zhao, TIAN Yun 331 Study of Bake Hardenability and Strengthening Mechanism ofHot Rolled Low Carbon Steel LI Wei-juan, WANG Guo-dong 337 Modeling Study of the Particle Pinning Effect on the Grain Boundary Movement WANG Xue-lun, FU Li-ming, WANG Wei, JIA Zhi-xin 342 Explore the Strengthening Mechanisms of the Ultra-Low Carbon and Low Alloy Steel LIU Pan, LI Hong-mei, LIU Rong-pei, BAO Yao-zong 346 Formation of Intragranular Ferrite During Isothermal/Thermomechanical Processes in a Medium Carbon V-Ti-N Microalloyed Steel XU Lei, LIU Guo-quan, NIE Yu-zhu, WANG Xue-hui, MA E 350 Study on Microstructure Refinement of Vanadium and Nitrogen Microalloyed Low Carbon Bainitic Steel GAO Fei, WANG Rui-zhen, QIAN Tian-cai 355 Effect of Aluminum and Titanium Treatment on Non-Metallic Inclusions and Microstructures of CGHAZ in HSLA Steel CHAI Feng, YANG Cai-fu, SU Hang, ZHANG Yong-quan, ZHANG Dan-dan 360 Effect of Sulfur Contents on Fracture Toughness of Wheel Steels for High Speed Train MA Yue, PAN Tao, JIANG Bo, YANG Cai-fu, SU Hang, CUI Yin-hui, CHEN Gang 366 Characteristics ofHot Ductility in Steels Containing Nb, Ti SONG Hai-wu, QI Chang-fa, AI Xing-hui 372 Grain Growth of Deformation Induced Ferrite in V Microalloyed Low Carbon Steel During Controlled Cooling Process WANG Kai, WANG Li-jun, WANG Qiang, HE Ji-cheng, LIU Chun-ming 377 Effect of Solute Drag and Precipitate Pinning on Austenite Grain Growth in Ti-Nb Microalloyed Steels FU Li-ming, WANG