The field of materials science and engineering's metallurgy examines the chemical and physical properties of metallic elements. We begin this scientific course by describing the history of metallurgy. We then explain the importance of metallurgy in modern society. We answer questions like ‘What is the metallurgical process?’ and How can you describe the crystal structures of metals?This scientific course continues with the exploration of the solidification and solid state of metals. We explain the mechanical behaviour of metals. This course will end by answering questions such as What are the alloying and phase diagrams? and What is the heat treatment of metal alloys?In this scientific course we explain the fundamental concepts that you need to comprehend in order to have a better understanding of metallurgy. This course is designed to assist workers and anyone else who works with metals in comprehending the impact that metallurgy has on modern society.