Sheet Metal

Sheet metal is simply metal formed into thin and flat pieces. It is one of the fundamental forms used in metalworking, and can be cut and bent into a variety of different shapes. Countless everyday objects are constructed of the material. Thicknesses can vary significantly, although extremely thin thicknesses are considered foil or leaf, and pieces thicker than 6 mm (0.25 in) are considered plate.

Sheet metal is available in flat pieces or as a coiled strip. The coils are formed by running a continuous sheet of metal through a roll slitter.

The thickness of the sheet metal is called its gauge. The gauge of sheet metal ranges from 30 gauge to about 8 gauge. The larger the gauge number, the thinner the metal.

There are many different metals that can be made into sheet metal, such as aluminum, brass, copper, steel, tin, nickel and titanium. For decorative uses, important sheet metals include silver, gold, and platinum (platinum sheet metal is also utilized as a catalyst.)

Sheet metal has applications in car bodies, airplane wings, medical tables, roofs for buildings and many other things. Sheet metal of iron and other materials with high magnetic permeability, also known as laminated steel cores, has applications in transformers and electric machines.

The term "sheet metal" refers to any metal that can be formed into flat pieces of varying thicknesses. Using specialized tools, sheet metal workers cut, roll, bend, and shape these pieces to make a wide variety of objects such as

• Ductwork
• Airplane wings
• Car bodies
• Refrigeration units
• Medical tables and storage units
• Building facades
• Steel sheets
• Tubing
• Signs

Metals used in the sheet metal industry include cold rolled steel, mild steel, tin, nickel, titanium, aluminum, brass, and copper.

Sheet metals come in flat pieces or coils and are measured by their thickness or gauge. Very thin pieces of metal are called foil or leaf; thick metals are called plate.

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