Book «No39 Theory, technology and equipment for the production of large diameter straight-seam welded pipes in the TESA - 1220 line» by Samusev S. In. , Fortunatova A. N. and Ovcharova N . In. is a unique educational material that immerses the reader in the world of modern technologies and methods used in the production of welded pipes. This work will be of interest not only to students and specialists in the field of mechanical engineering and metallurgy, but also to all those who seek to expand their knowledge of modern production processes. The book covers a wide range of topics related to the theory and practice of manufacturing large diameter straight-seam welded pipes. The authors examine in detail the technological processes used in the line TESA - 1220, and explain how these processes affect the quality and characteristics of the final product. Readers will be able to learn about various welding methods, features of working with various materials, as well as about modern equipment necessary for efficient and safe production. One of the key topics raised in the book is the importance of quality control at every stage of the production process. The authors focus on how modern technologies can minimize defects and improve the reliability of welded joints. This knowledge will be useful not only to engineers and technologists, but also to managers involved in the management of production processes. The book 39 Theory, technology and equipment for the production of large-diameter straight-seam welded pipes in the TESA - 1220 line will be of particular interest to students of technical universities, graduate students and practicing engineers who want to deepen their knowledge in the field of welding technologies. It can also attract the attention of specialists working in the oil and gas, construction and other industries where welded pipes are used. The style of the authors is distinguished by clarity and accessibility of the presentation, which makes the material understandable even for those who are just beginning to get acquainted with this topic. The book is filled with illustrations, diagrams and tables that help to better assimilate the material and visualize complex processes. The authors use examples from real practice, which makes reading not only informative, but also fascinating. In addition, it is worth noting that Samusev, Fortunatov and Ovcharova are recognized experts in their field. Their previous work also addresses various aspects of welding technology and materials science, which adds value to their current edition. Readers familiar with their other publications will appreciate the depth and thoroughness of the research presented in this book. If you are looking for a training manual , which will help you understand the theory and practice of welded pipe production , and will also provide up-to-date knowledge of modern technologies, No. 39: The Theory , ................................... technology and equipment for the production of large diameter straight-seam welded pipes in the TESA - 1220" line will be an excellent choice. This book will not only expand your horizons, but also help you become more competent in your field. Do not miss the opportunity to immerse yourself in the world of welding technologies and discover new horizons in production!