Controlled Rolling and Controlled Cooling of Steel Book Catalog

Introduction

Theory of Controlled Rolling and Controlled Cooling

1 Strengthening and Toughening of Steels

1.1 Strengthening Mechanisms of Steels

1.1.1 Solid Solution Strengthening

1.1.2 Deformation Strengthening

1.1.3 Precipitation Strengthening and Dispersion Strengthening

1.1.4 Fine Crystalline Strengthening<

1.1.5 Subcrystalline Strengthening

1.1.6 Phase Transformation Strengthening

1.2 Toughness of Materials

1.2.1 Definition of Toughness and Its Representation

1.2.2 Factors Influencing the Toughness of Steels

References

2 Austenitic Deformation and Recrystallization of Steels

2.1 Thermal Deformation Processes

2.2 Austenite Recrystallization Behavior of Steels During the Heat Deformation Gap Time

2.3 Control of Dynamic Recrystallization

2.3.1 Conditions for the Occurrence of Dynamic Recrystallization

2.3.2 Organizational Characteristics of Dynamic Recrystallization

2.4 Control of Static Recrystallization

2.4.1 Nucleation Mechanism of Static Recrystallization

2.4.2 Critical Deformation Amount of Static Recrystallization

2.4.3 Static Recrystallization Rate

2.4.4 Amount of Static Recrystallization

2.4.5 Static Recrystallization Grain Size

2.4.6 Map of Recrystallization Areas

Reference

3 Phase transformations under deformation conditions

3.1 Austenite to ferrite transformation after deformation (A → F)

3.1.1 Generation of ferrite grains from recrystallized austenite grains

3.1.2 Generation of ferrite grains from partially recrystallized austenite grains

3.1.3 Generation of ferrite grains from unrecrystallized austenite grains Grain

3.2 Effect of deformation conditions on austenite to ferrite transition temperature Ar3 and organization

3.2.1 Effect of deformation conditions on Ar3 temperature

3.2.2 Effect of change in phase transition temperature Ar3 on organization

3.3 Effect of deformation conditions on austenite to pearlite and austenite to bainite transitions

3.4 Deformation and recrystallization of ferrite

3.4.1 Organizational changes in ferrite hot working

3.4.2 Organizational changes in ferrite occurring during the time of the deformation gap

3.5 Changes in the organization and properties during rolling in the two-phase zone (A+F)

3.6 Controlled-rolling rolling and cooling process in the production of ultrafine crystallization steel Characteristics

3.6.1 Deformation-induced (strengthened) ferrite phase-change steels

3.6.2 Low- (ultra-low-) carbon bainitic and acicular ferrite steels

References

4 Role of Microalloying Elements in Controlled Rolling

4.1 Dissolution of Microalloying Elements during Heating Before Hot Rolling

4.1.1 Niobium Dissolution in austenite

4.1.2 Dissolution of vanadium in austenite

4.1.3 Dissolution of titanium in austenite

4.2 Control of precipitation of carbon-nitrogen compounds of microelements in the rolling process

4.2.1 State of precipitation of Nb(C,N) in the various stages of the process

4.2.2 Factors affecting the precipitation of Nb(C,N) Factors affecting the precipitation of Nb (C, N)

4.3 Role of microalloying elements in controlled rolling and controlled cooling

4.3.1 Preventing the growth of austenite grains during heating

4.3.2 Suppressing the recrystallization of austenite

4.3.3 Refinement of ferrite grain

4.3.4 Influence on the strength and toughness properties of the steel

References

5 Characteristics of Controlled Rolling of Medium and High Carbon Steels

5.1 Recrystallization Behavior of Austenite in Medium and High Carbon Steels

5.1.1 Influence of Niobium and Carbon on Critical Deformation of Austenite Recrystallization in Medium and High Carbon Steels

5.1.2 Influence of Niobium and Carbon on the Degree of Recrystallization Grain in Medium and High Carbon Steel

5.2 Organizational State of Medium and High Carbon Steel in Controlled Rolling of Steel

5.2.1 Steels whose room-temperature organization is dominated by ferrite

5.2.2 Steels whose room-temperature organization is dominated by pearlite

5.2.3 *** precipitation steels

5.3 Relationship between the organization and properties of medium- and high-carbon steels

5.3.1 Influence of the organization of medium- and high-carbon steels on their properties

5.3.2 Changes of the organization and properties of medium- and high-carbon steels in controlled rolling

5.3.2 Controlled-rolled rolling Changes in Organization Properties

References

6 Deformation Resistance of Steel under Controlled Rolling Conditions

6.1 Organizational Factors Affecting the Deformation Resistance of Steel Under Controlled Rolling Conditions

6.2 Calculation of Deformation Resistance When Considering the Cumulative Effect of Deformation

References

7 Theoretical Basis of Controlled Cooling of Steel

7.1 Physical phenomena during water cooling of steel

7.1.1 Boiling heat transfer phenomena during water cooling

7.1.2 Phase change heat release phenomena

7.1.3 Convective heat transfer coefficient α and its determination

7.2 Cooling purpose of each stage of controlled cooling

7.3 Influence of post rolling rapid cooling process parameters on the strength and toughness of steel<

7.3.1 Influence of cooling speed after rolling

7.3.2 Influence of opening cooling temperature after rolling

7.3.3 Influence of final cooling temperature after rapid cooling after rolling

7.3.4 Influence of micro-alloying content such as Nb, Ti, etc.

7.4 Controlling strategy and mathematical modeling in controlled cooling

7.4.1 Control cooling strategy

7.4.2 Mathematical model of control cooling

References

Part II Application of control rolling and control cooling technology

8 Application of control rolling and control cooling technology in strip production

8.1 Selection of slab heating system in control rolling

8.1.1 Relationship between chemical composition of steel and Heating Temperature

8.1.2 Influence of Heating Temperature on the Strength of Steel Plate

8.1.3 Influence of Heating Temperature on the Toughness of Steel Plate

8.2 Types and Characteristics of Controlled Rolling Processes for Steel Plate and Strip

8.2.1 Characteristics of Controlled Rolling of Austenitic Recrystallized Types

8.2.2 Characteristics of Controlled Rolling of Austenitic Uncrystallized Types

8.2.2 Characteristics of Controlled Rolling of Austenitic Unrecrystallized Types Control rolling

8.2.3 Characteristics of austenitic and ferrite two-phase zone control rolling

8.2.4 Characteristics of ferrite control rolling

8.3 Application of controlled rolling and controlled cooling process for medium-thick steel plates

8.3.1 Reasonable selection of steel chemical composition

8.3.2 Control rolling process for different types of medium-thickness plate mills

8.3.2 Control rolling process for different types of medium-thickness plate mills adopted by the Controlled Rolling Processes

8.3.3 On-line Controlled Cooling of Medium Plate

8.3.4 Combination of Controlled Rolling and Controlled Cooling Processes for Medium Plate

8.3.5 Controlled Rolling and Controlled Cooling Processes Adopted for Typical Specialized Medium Plate

8.4 Controlled Rolling and Controlled Cooling Processes for Hot Strip Rolling

8.4.1 Controlled Rolling and Controlled Cooling Processes for Hot Strip Rolling

8.4.1 Hot Strip Rolling Strip Steel

8.4.2 Ferrite Controlled Rolling and Controlled Cooling Processes in Hot Rolled Strip Lines

8.5 Controlled Rolling and Controlled Cooling Processes Adopted in Continuous Casting and Rolling Lines for Thin Slabs

8.5.1 Characteristics of Continuous Casting and Rolling Lines for Thin Slabs

8.5.2 Controlled Rolling and Controlled Cooling Processes Adopted in CSP Production Lines Processes

8.6 Application of Controlled Rolling and Controlled Cooling Technology in the Production of Duplex Steel Sheet and Strip

8.6.1 Organizational and Performance Characteristics of Duplex Steels and Production Methods

8.6.2 Controlled Rolling and Controlled Cooling of Hot-Rolled Duplex Steels

8.7 Application of Controlled Rolling and Controlled Cooling Technology to the Production of Sheet and Strip in Continuous Billet Direct-Feed or Hot-Feed Rolling

8.7.1 Characteristics of continuous casting billet direct-fed or hot-loaded rolled plate and strip

8.7.2 Requirements for the use of controlled rolling and controlled cooling processes in continuous casting billet direct-fed or hot-loaded rolling

8.7.3 Comparison of mechanical properties of hot continuous casting billet direct-fed rolled steel and continuous casting cold billet reheated rolled steel

References

9 Control Rolling and Application of Controlled Cooling Technology in Section Steel Production

9.1 Controlled Rolling and Controlled Cooling of Steel Sections

9.1.1 Controlled Rolling and Controlled Cooling of Large and Medium-Sized Sections

9.1.2 On-line Heat Treatment of Steel Rails

9.2 Controlled Rolling and Controlled Cooling of Bars and Reinforcing Bars

9.2.1 Control Rolling and Controlled Cooling of Bars Controlled Cooling

9.2.2 Controlled Rolling and Controlled Cooling of Bearing Steel Bars

9.2.3 Controlled Rolling and Controlled Cooling of Ribbed Steel Bars

9.3 Controlled Rolling and Controlled Cooling Processes for High-Speed Wire Rod Mill Units

9.3.1 General Information on High-Speed Wire Rod Mill

9.3.2 Controlled Rolling of High-Speed Wire Rod Mill Units

9.3.2 High-Speed Wire Rod Mill Units Controlled rolling

9.3.3 Post-rolling controlled cooling of high-speed wire rod mill units

9.3.4 Application of controlled rolling and controlled cooling process of wire rod

References

10 Application of controlled rolling, controlled cooling and deformation heat treatment technology in the production of steel tubes and pipes

10.1 Research basis of the controlled rolling process of hot-rolled seamless steel tubes and pipes

10.1.1 Research Methods of Deformation Laws of Hot-Rolled Seamless Steel Tubes

10.1.2 Temperature Changes and Distribution of Deformation in the Rolling Process of Hot-Rolled Seamless Steel Tubes

10.1.3 Simulation Study of Controlled Rolling for Hot-Rolled Seamless Steel Tubes of Re-crystallized Type

10.1.4 Austenitic Stainless Steel Tubes of Type 18-8 Controlled Rolling

10.1.5 Production of Boiler Tubes by Controlled Rolling Process on Hot Expanding Machines

10.2 Development and Application of On-line Heat Treatment for Hot-Rolled Seamless Steel Pipes and Tubes

10.2.1 Direct Quenching of Hot-Rolled Seamless Steel Pipes and Tubes After Rolling

10.2.2 Post-roll Rapid Cooling Process for Hot-Rolled Seamless Steel Pipes and Tubes

10.2.3 Hot-rolled seamless steel tubes and pipes after rolling (on-line normalization)

10.3 Heat treatment of hot-rolled steel tubes and pipes for deformation

10.3.1 Deformation quenching at high temperatures

10.3.2 Deformation quenching at low temperatures

10.3.3 High-temperature bainitization of deformations

10.4 Controlled-rolling rolling of seamless steel tubes and pipes made of non-tempered steel

10.4 Controlled-rolling rolling of non-tempered steel

10.4.4 Seamless steel tubes and pipes made of non-tempered steel

10.5 Seamless steel tubes and pipes for hot-rolling p>

10.4.1 Microalloyed Non-Tempered Steel

10.4.2 Optimization of the Composition of Microalloyed Non-Tempered Steel for High Strength Oil Well Pipe

10.4.3 Controlled Rolling and Controlled Cold Process for Non-Tempered, High-Strength Oil Well Pipe Steel

10.4.4 Example of Microalloyed, Non-Tempered Steel Developed for Seamless Tubing Crews

10.5 Seamless Tubes for Hot Rolling Prospects for the use of controlled rolling, controlled cooling and in-line heat treatment processes in production

References

......