Primer on Flat Rolling

2nd Edition

Authors: John Lenard
Hardcover ISBN: 9780080994185
eBook ISBN: 9780080994123
Imprint: Elsevier
Published Date: 12th December 2013
Page Count: 450
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Primer on Flat Rolling is a fully revised second edition, and the outcome of over three decades of involvement with the rolling process. It is based on the author's yearly set of lectures, delivered to engineers and technologists working in the rolling metal industry. The essential and basic ideas involved in designing and analysis of the rolling process are presented.

The book discusses and illustrates in detail the three components of flat rolling: the mill, the rolled metal, and their interface. New processes are also covered; flexible rolling and accumulative roll-bonding. The last chapter contains problems, with solutions that illustrate the complexities of flat rolling.

New chapters include a study of hot rolling of aluminum, contributed by Prof. M. Wells; advanced applications of the finite element method, by Dr. Yuli Liu and by Dr. G. Krallics; roll design by Dr. J. B. Tiley and the history of the development of hot rolling mills, written by Mr. D. R. Adair and E. B. Intong.

Engineers, technologists and students can all use this book to aid their planning and analysis of flat rolling processes.

Key Features

  • Provides clear descriptions for engineers and technologists working in steel mills
  • Evaluates the predictive capabilities of mathematical models
  • Assignments and their solutions are included within the text


For university and industry libraries and also suitable for individual researchers in universities

Table of Contents


Preface to the Second Edition

Preface to the First Edition



1. Introduction

1.1 The Flat Rolling Process

1.2 The Hot Rolling Process

1.3 Continuous Casting

1.4 Mini-Mills (See Also Chapter 2)

1.5 The Cold Rolling Process

1.6 The Warm Rolling Process

1.7 Further Reading

1.8 Conclusion

2. History of Hot Strip Mills

2.1 Hot Strip Mill Evolution

2.2 Early Hot Strip Mills

2.3 Early Steckel Mills

2.4 Generation I Hot Strip Mills (USA)

2.5 Generation II Hot Strip Mills (USA)

2.6 Other Generation I and II Hot Strip Mills

2.7 Generation III – Coil Box Hot Strip Mills

2.8 Thin Slab Hot Strip Mills

2.9 Newer Generation II Hot Strip Mills

2.10 Modern Steckel Mills

2.11 Hot Mill Electrical Systems

2.12 Hot Strip Mill Innovations

2.13 Revamped Hot Strip Mills

3. Roll Design

3.1 Introduction

3.2 General Overview

3.3 Historical Development of Rolls for Rolling Mills

3.4 Roll Wear

3.5 Friction and Wear

4. Flat Rolling – A General Discussion

4.1 The Flat Rolling Process

4.2 The Physical Events Before, During and After the Pass

4.3 The Metallurgical Events Before and After the Rolling Process

4.4 Limitations of the Flat Rolling Process

4.5 Conclusion

5. Mathematical and Physical Modelling of the Flat Rolling Process

5.1 A Discussion of Mathematical Modelling

5.2 A Simple Model

5.3 1D Models

5.4 Refinements of the Orowan Model

5.5 The Effect of the Inertia Force

5.6 The Predictive Ability of the Mathematical Models

5.7 The Friction Factor in the Flat Rolling Process

5.8 Extremum Principles

5.9 Comparison of the Predicted Powers

5.10 The


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About the Author

John Lenard

Affiliations and Expertise

Department of Mechanical and Mechatronics Engineering, University of Waterloo, Ontario, Canada