The Metal Industry is primarily concerned with metallurgy and metalworking. At first the metals are extracted from the metal-ores found in their natural state deep within the earth and then these ores are purified through a detailed procedure to obtain the metals in their pure form, these processes comprise metallurgy. Then the pure form of the metal so obtained is used to manufacture structures as well as different machines and parts of machines. The procedures which involve the manufacturing of machines and other useful items from the metals so obtained through the metallurgical processes, constitute metalworking.

The manufacturing of alloys is also carried out in the Metal Industry through the proportionate homogeneous mixing of two or more metallic elements (metals in the pure state). The alloys so formed are mainly manufactured in order to enhance the natural properties of the metals by combining them together. Steel is one of the most popular as well as useful alloys of iron, formed through the chemical combination of mainly iron and carbon. In addition, it may also contain other metals, as added to the combination in order to attain desired properties from the alloy.