HSLA Steels 2015, Microalloying 2015 & Offshore Engineering Steels 2015 Conference Proceedings

Front Matter....Pages 1-15
Front Matter....Pages 1-1
New Development of HSLA Steels in China....Pages 3-15
Microalloyed Steels: Past, Present and Future....Pages 17-32
Niobium in Microalloyed Rail Steels....Pages 33-39
Niobium Solar Mobile Project — High Strength Niobium Microalloyed Steel as a Solution to Improve Electric Super Scooter and Motorcycle Performance....Pages 41-51
Evolution of Microalloyed Steels Since Microalloying ’75 with Specific Emphasis on Linepipe and Plate....Pages 53-70
Modern Niobium Microalloyed Steels for the Automotive Industry....Pages 71-83
Design of Reforma 509 with High Strength Steel....Pages 85-95
Microalloyed Engineering Steels with Improved Performance....Pages 97-107
Weldability of HSLA Steels in Relation to Appropriate Toughness Requirements for Use in Safe and Economic Steel Construction....Pages 109-119
Technical Requirements for the Development of Marine Steel in China....Pages 121-131
Front Matter....Pages 133-133
Effect of Nitrogen on Transformation Behaviors and Microstructure of V-N Microalloyed Steel....Pages 135-141
Quantifying the Effect of Nb and Mo on Transformation Products Using Advanced EBSD Analysis....Pages 143-149
Decomposition of Supercooled Austenite in Continuous Cooling Transformation Process of a Mn-Mo-Ni Low Alloy Steel....Pages 151-157
Effect of High Magnetic Field on the Pearlite Transformation of Hypoeutectoid Steel....Pages 159-163
Study of Chemical Composition and Thermal Stability of Reverted Austenite in QLT-Treated 9%Ni Steel....Pages 165-171
Thermodynamic Calculations and Precipitation Simulations of HSLA Steels....Pages 173-177
Determination of Dynamic Recrystallization Process by Equivalent Strain....Pages 179-185
High-Strength Low-Alloy Steel Strengthened by Multiply Nanoscale Microstructures....Pages 187-193
Grain Refinement and Toughening of Low Carbon Low Alloy Martensitic Steel with Yield Strength 900 MPa Grade by Ausforming....Pages 195-201
Effect of Mo Addition on the Precipitation Behavior of Carbide in Nb-Bearing HSLA Steel....Pages 203-210
Front Matter....Pages 133-133
Application of Nano-Scale Precipitate Engineering of TiN-NbC Composite in 32mm K60-E2 Grade Plate Rolling....Pages 211-221
Precipitation Behavior of Nanometer-Sized Carbides in a Nb-Ti-Bearing Low-Carbon Steel....Pages 223-228
Measurement Uncertainty of Mechanical Property in Tensile Tests: Strain Rate Embrittlement of HSLA Steels....Pages 229-235
The Influence of Mo, Cr and B Alloying on Phase Transformation and Mechanical Properties in Nb Added High Strength Dual Phase Steels....Pages 237-245
The Influence of Carbon Content and Cooling Rate on the Toughness of Mn-Mo-Ni Low-Alloy Steels....Pages 247-252
Comparative Analysis of Precipitation Effects in Microalloyed Austenite and Ferrite Under Hot and Cold Forming Conditions....Pages 253-259
Niobium-Based Alloy Design for Structural Applications: Processing-Structure-Property Paradigm....Pages 261-266
Influence of Micro-Texture on Delamination of Hot-Rolled High Strength Low Alloyed Steel Sheets....Pages 267-271
Effect of Initial Microstructure on the Mechanical Properties of an Intercritically Quenched and Tempered HB400 Grade Heavy Plate....Pages 273-279
Thermomechanical Processing of Structural Steels with Dilute Niobium Additions....Pages 281-287
Application of In-Situ Material Characterization Methods to Describe Role of Mo During Processing of V-Bearing Micro-Alloyed Steels....Pages 289-295
Effect of Heating Temperature on the Growth Behavior of Austenite Grain of Titanium Micro-Alloyed Steel....Pages 297-306
Front Matter....Pages 307-307
Through-Thickness Homogenization in Thin Slab Direct Rolling of Nb Microalloyed Steels....Pages 309-315
Study on the Control of Cleanliness for X90 Pipeline in the Secondary Refining Process....Pages 317-322
Hot Strength during Coiling of Low C and Nb-Microalloyed Steels....Pages 323-328
Research of Helical Magnetic Field Stirrer in Bloom Continuous Casting....Pages 329-334
Modelling Microstructure Evolution during Hot Rolling of HSLA Steels in a Steckel Mill....Pages 335-341
The Influence of Vanadium Microalloying on the Production of Thin Slab Casting and Direct Rolled Steel Strip....Pages 343-349
Reference Yield Strength Calculated by Rolling Force Model....Pages 351-356
Metallurgical Understanding to Extend Cold Rolled HSLA to Higher Strength Levels....Pages 357-363
Front Matter....Pages 307-307
Effect of Cooling Rate on Microstructure and Centerline Segregation of a High-Strength Steel for Shipbuilding....Pages 365-370
Influence of Finish Rolling Temperature on Microstructure and Property of Non-Quenched and Tempered Steel....Pages 371-377
Strengthening Mechanisms of V-Ti-Mo Microalloyed 900 MPa Hot-Rolled Ferritic Steel....Pages 379-385
Development of Processing Maps for Intercritical Annealing Using the Phase Field Approach....Pages 387-393
Optimization of Heat Treatment Process of High Strength WDL690D Steel....Pages 395-401
Effects of Heat Treatment Process on Microstructure and Mechanical Properties for Extra-Thick High-Strength Steel Plate....Pages 403-409
Influence of Non-Uniform Water Cooling on the Shape of Rolled H-Shaped Beam....Pages 411-417
Contributions of Vanadium to Properties of Heat Treated Medium Carbon Forging Steels....Pages 419-425
A New Method to Compute the Behavior of Phase Transformations and Depth of the Decarburized Ferrite Layer, Scale Thickness of Steel from Measured Temperatures....Pages 427-432
Partial-Isothermally-Treated Low Alloy Ultrahigh Strength Steel with Martensitic/Bainitic Microstructure....Pages 433-438
Welding Niobium Bearing HSLA Steels ‘Myths and Magic’....Pages 439-445
Effects of the Performance of Ship Steel for High Heat Input Welding by Micro-Alloy Element....Pages 447-452
Weld HAZ Properties in Modern High Strength Niobium Pipeline Steels....Pages 453-457
Development of 690MPa High Strength Steel with Low Yield Ratio and Good Weldability for Building Structures in Wisco....Pages 459-466
Effect of Pipe Body Alloy on Weldability of X80 Steel....Pages 467-473
The Development and Microstructure Analysis of High Strength Steel Plate NVE36 for Large Heat Input Welding....Pages 475-480
Characterization of the Multi-Pass Weld Metal and the Effect of Post-Weld Heat Treatment on Its Microstructure and Toughness....Pages 481-488
Effect of Heat-Affected Zone on Spot Weldability in Automotive Ultra High Strength Steel Sheet....Pages 489-494
Analysis of AOD Converter Trunnion Rupture and the Welding Repair Process....Pages 495-501
Development of High Heat Input Welding Offshore Steel as Normalized Condition....Pages 503-507
Front Matter....Pages 307-307
Research on Wheel Steel Welding Cracks Caused by Quenching Stress....Pages 509-516
Microstructures and Continuous Cooling Transformation of CGHAZ in E36 Class V-N-Ti, V-Ti and Nb-Ti Shipbuilding Steels....Pages 517-523
Study on Continuous Cooling Transformation Behavior of Coarse Grain Heat-Affected Zone in V-N-Ti and Nb-V-Ti Microalloyed Offshore Platform Steels....Pages 525-531
Front Matter....Pages 533-533
Vanadium Microalloyed High Strength Martensitic Steel Sheet for Hot-Dip Coating....Pages 535-540
Effect of Nb on Delayed Fracture Resistance of Ultra-High Strength Martensitic Steels....Pages 541-547
Development and Application of the High-Strength Wear-Resistance Steel Used for the Lightweight Heavy-Duty Dump Mining Truck....Pages 549-556
Optimization of High Performance Special Steels....Pages 557-563
Research on the Microstructures and Mechanical Properties of Ti Micro-Alloyed Cold Rolled Hot-Dip Galvanizing DP980 Steel....Pages 565-570
Development of Press Hardening Steel with High Resistance to Hydrogen Embrittlement....Pages 571-576
Effect of Annealing Temperature on Microstructure and Mechanical Properties of Hot-Dip Galvanizing DP600 Steel....Pages 577-581
Research on Forming Mechanisms and Controlling Measurements for Surface Light Spot Defects of Galvanizing Steel Coils for Automobile Use....Pages 583-588
The Influence of Niobium on the Microstructure and Properties of CrMo Steel....Pages 589-595
The Development of Lightweight Commercial Vehicle Wheels Using Microalloying Steel....Pages 597-604
The Effect of Niobium Microalloying on Processing and Application Properties of Dual Phase Steel....Pages 605-611
A Low Cost Ferritic Stainless Steel Microalloyed by Higher Nb for Automotive Exhaust System....Pages 613-619
Improving Strength-Ductility Balance of High Strength Dual-Phase Steels by Addition of Vanadium....Pages 621-633
The Mechanical Property of Batch Annealed High Strength Low Alloy Steel HC260LA....Pages 635-639
Study on the Effect of Secondary Banded Structure on the Fatigue Property of Non-Quenched and Tempered Micro Alloyed Steel....Pages 641-647
Research of 600C Grade Welding V-N Micro-Alloyed Steel Used on Truck Axle Housing After Thermal Forming....Pages 649-654
Product Design and Production Practice of 700MPa High Strength Hot Rolled Strip for Auto Axle Tube....Pages 655-661
Front Matter....Pages 533-533
Effect of Cerium on Behavior of High Temperature Deformation of IF Steel....Pages 663-668
Research and Process-Optimization on Mixed Crystal Caused Uneven-Performance of High-strength Structural Car Steel QStE500TM....Pages 669-675
Development of Low Carbon Niobium Bearing High Strength F-B Dual Phase Steel with High Hole Expansion Property....Pages 677-681
Front Matter....Pages 683-683
Directionality and Orientation Effects on the Resistance to Propagating Shear Failure....Pages 685-692
Research and Development of Heavy Gauge X80 Pipeline Plate Utilizing Optimized Rolling and Cooling Process....Pages 693-698
Controlled Technology of DWTT Property of Heavy Gauge X80 Strip....Pages 699-705
An Investigation of Aging Behaviour in Microalloyed Steel (X70) UOE Pipe....Pages 707-714
Effect of Vanadium Addition on API X100 Linepipe Steel....Pages 715-720
Latest Development and Application of High Strength and Heavy Gauge Pipeline Steel in China....Pages 721-726
Effect of Deformation in Roughing Mill on Mechanical Properties of Microalloyed API Steel Grades....Pages 727-732
Precipitation and Dislocation Strengthening Behaviour of Grade X80 Steel for Pipeline with Strain Based Design....Pages 733-741
Research and Development of Nb-Bearing Steels for Low Temperature Service Pressure Vessels....Pages 743-749
Research on Manufacture and Quality Control of Medium Carbon Vessels for Resistance to Hydrogen Induced Cracking....Pages 751-758
Investigation and Application of Nb Microalloying Technology in Seamless Steel Tube with High Performance....Pages 759-766
Development of Cr-Mo Steel Plate for Gasifier in Wuyang....Pages 767-774
Effect of Austenite Deformation and Continuous Cooling on Microstructure Evolution in a Pipeline Steel....Pages 775-781
Microstructure Development during Roughing and Intermediate Cooling of Thick HTP Linepipe Steels....Pages 783-789
Deformation Characteristic of 617B Nickel Base Superalloy for 700°C Ultra-Supercritical Boiler....Pages 791-797
Nb-Ti-Mo Ferrite Matrix Micro-Alloy Steel with Nanometersized Precipitates for Refuge Alternative Plate....Pages 799-805
The Stress Corrosion Performance Research of Three Kinds of Commonly Used Pipe Materials....Pages 807-813
Front Matter....Pages 815-815
Graphitisation: A Potential New Route to Free-Machining Steels....Pages 817-822
Development and Application of High Strength TMCP Plate for Coal Mining Machinery....Pages 823-828
Austenite Continuous Cooling Transformation of Wear-Resistant Steel with Hardness 500HBW....Pages 829-834
Phase Transformation during Continuous Cooling of NM550 Wear-Resistant Steel....Pages 835-841
Effect of Epsilon Carbides on Mechanical Properties and Wear Resistance of Low Alloy Abrasion Resistance Steel....Pages 843-849
Industrial Test of High Strength Steel Plates Free Boron Q890D Used for Engineering Machinery....Pages 851-856
Design of High Manganese Steels: Calculation of SFE and Ms Temperature....Pages 857-863
Effect of Soluble Al Content on the Microstructure and Property of Batch Annealed Ti-IF Steels....Pages 865-871
Hot Deformation Behavior of NM550 Wear-Resistant Steel....Pages 873-879
Benefits of High Strength Microalloyed Rebar....Pages 881-886
Nb Microalloyed Modern Ferritic Stainless Steel....Pages 887-894
Application of Niobium Low Carbon Low Alloy Structural Steel Approach....Pages 895-901
Application Research of Nb Microalloying on Medium and High Carbon Long Products....Pages 903-908
Effect of Vanadium on the Microstructure and Elevated Temperature Properties of Fire Resistant Steels....Pages 909-916
R&D and Applications of V-N Microalloyed Steels in China....Pages 917-930
Use of Niobium High Strength Steels with 450 MPA Yield Strength for Construction....Pages 931-939
Effect of Nitrogen on the Vanadium Precipitation Behavior of Higher Yield Strength Weathering Steels....Pages 941-946
Microstructure and Mechanical Properties of Nb Microalloyed Q370qE-HPS Bridge Steel Produced by TMCP....Pages 947-954
Physical Metallurgy and Commercialization of V-N Microalloyed Q460GJC Steel Plates....Pages 955-960
Development and Technology of Large Thickness TMCP Steel Plate with 390MPA Grade Used for Engineering Machinery....Pages 961-966
Front Matter....Pages 815-815
Composition Optimization and Mechanical Properties Control for 500MPa High Strength Ribbed Bars....Pages 967-972
Sulfur Content Precision Control Technology for CO2-Shielded Welding Wire Steel....Pages 973-979
Metallurgical Mechanism and Niobium Effects on Improved Mechanical Properties in High Carbon Steels....Pages 981-986
Study on Nb Microalloying in High Carbon Pearlite Steels for Rails....Pages 987-993
Metallurgical/Alloy Optimization of High Strength and Wear Resistant Structural Quench and Tempered Steels....Pages 995-1001
Nb Effects on the Dynamic Recrystallization Behavior and Mechanical Properties of V/Ti Alloyed Non-Quenching and Tempering Steel....Pages 1003-1010
Development and Application of High Performance Quenched and Tempered Wear Resistant Steels in Material Handling and Construction Machinery....Pages 1011-1017
Effect of Deformation Parameters on Ferrite and Pearlite Non-Quenched and Tempered Steel....Pages 1019-1025
Experimental Research and Application of Vanadium Micro-Alloyed Steels in Railway Axle....Pages 1027-1033
Front Matter....Pages 1035-1035
Strengthen-Mechanism and Corrosion Resistance of Niobium Added HSLA Weathering H-Beams Processed by Ultra-Fast Cooling Process....Pages 1037-1044
Microstructure Evolution in the V-N-Ti and Nb-V-Ti Microalloyed Bulb Flat Steel....Pages 1045-1053
Corrosion Behavior of New Cr-Ni-Cu Low Alloy Seawater Corrosion Resistant Steel....Pages 1055-1062
Development of High Plasticity-Toughness Low Cost Microalloyed Submarine Pipeline Steel....Pages 1063-1069
Precipitation Behavior of Carbon-Nitrides in Microalloyed Offshore Platform Plate....Pages 1071-1077
Microdomain Yield Behaviour in an Ultra-High Strength Low Alloy Steel for Marine Use with Low Sensitivity of SCC....Pages 1079-1086
Effects of Heat Treatment on Microstructure and Mechanical Properties of V Microalloyed Bulb Flat Steel....Pages 1087-1093
The Use of Model Systems Based on Fe-30 wt%Ni for Investigating the Precipitation and Transformation Behaviour of Microalloyed Austenite....Pages 1095-1101
Development of New Type Seawater Resistant Steel and the Research of Its Structure and Corrosion Resistance....Pages 1103-1108
Development of Technological Methods of Additional Grain Refinement for Production of Cold Resistant Nb-Bearing Plate Steel with SMYS 450–485 MPa and Thickness up to 40 Mm....Pages 1109-1116
Microstructure Evolution and Mechanical Properties of Grade E690 Offshore Platform Steel....Pages 1117-1123
Front Matter....Pages 1035-1035
Effect of Cu and Ni on Corrosion Resistance of Low Alloyed Steels for Cargo Oil Tank....Pages 1125-1131
Development of Low Temperature Inverted Angle for LPG Carrier Using Slab....Pages 1133-1139
Research and Development of Micro-Alloying High-Strength Shipbuilding Plate....Pages 1141-1147
Effects of Inclusions and Their Surface Chemistry on Cleavage Fracture in a C-Mn Steel Weld Metal....Pages 1149-1161
Influence of Nitrogen Addition on Transformation Behavior and Mechanical Properties of Vanadium Microalloyed Steels....Pages 1163-1169
Corrosion Performance of High Strength Weathering Steels Under Different Heat Treatment States....Pages 1171-1177
Effect of Ultra-Fast Cooling on Microstructure and Properties of High Strength Steel for Shipbuilding....Pages 1179-1185
Research and Development of Heavy Wall DNV485FDU Pipeline Plate for 3500M Deep Water Pipe Applications at Shougang....Pages 1187-1193
Preparing of Ni-Cu-P Coating....Pages 1195-1200
Effect of Copper Alloy Element on Corrosion Properties of High Strength Mooring Chain Steel....Pages 1201-1209
Effect of Boron Microalloying Element on Susceptibility to Hydrogen Embrittlement in High Strength Mooring Chain Steel....Pages 1211-1218
Back Matter....Pages 1219-1229