We have prepared this book so that each chapter includes: History on the metal and conditions and the quality and how drawn and the various properties and clarification of the curves of thermal equilibrium, bilateral each metal alloys with its Sbakih statement and chemical composition of different types of metal alloys each with clarifying the importance and influence of elements with each alloy Sbakih The impact on the chemical and mechanical properties and applications of each alloy and clarify the internal architecture of the alloys. This book contains nine chapters and ends with bibliographic terminology and the Scouts topics.