Textbook of Engineering Materials is based on the latest syllabus for B.E/B. Tech. Students of Mechanical, Production and civil Engineering as per UPTU as well as other universities. This book is an attempt to provide all necessary information about Structure and Treatment Process. The subject matter has been presented in a simple and systematic way with numerous diagrams so as to enable thorough understanding of the topics The presentation of the subject matter is very systematic and the language of text is lucid, direct and easy to understand. Each chapter of the book is saturated by neat and self-explanatory diagrams to make the extent. Important questions have been added in all the chapters.