Sheet metal is the metal formed into large, thin planes that are usually rectangular-shaped. Sheet metal can be made out of every kind of metallic material; these can include steel, stainless steel, aluminum, copper, titanium and brass. However, aluminum and stainless steel are the most common sheet metals used in industries today.
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Sheet metal is one of the fundamental forms used in metalworking, as it can be cut and turned into a variety of shapes and structures. It is made from slabs of rods of alloys that have been melted and pressed into rectangular shapes. The general processes sheet metals are subjected to including forming, cutting, finishing and assembling. The fabricating process for sheet metal involves heating the original metal and stretching it into the desired shape. Metal is made into sheet form by being heated into a malleable form and fed through a pair of rollers that compress the metal into thin sheets. The metal is then cooled and reheated through processes of annealing or quenching. Annealing is the process of slowly cooling the metal, while in quenching the metal is cooled very quickly. These processes are to make the sheet metal the desired shape, surface, size and strength. Sheet metal can also undergo additional fabrication processes such as stretching stretching, drawing, bending, cutting, punching and spinning until the desired product is produced.
