This book on corrosion is a conceptual compilation of many theories related to the phenomenon which once was considered a big challenge for scientists. But now, with the advancement of technical concepts about corrosion, it is no longer a problem. The concepts discussed in this book include different types of corrosion resistance, corrosion treatment, and corrosion impacts. This book will provide insights about chemical reactions, and the occurrence of corrosion in different environments. This book will help chemical engineers and students who are interested in the field of corrosion.