Gauge Sheet Metal Definition

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Gauge sheet metal definition.

In the u s the thickness of sheet metal is commonly specified by a traditional non linear measure known as its gauge. 1 for sheet metal a retrogressive scale higher numbers mean lower thickness that starts with 10 gauge representing a thickness of 3 416 millimeters or 0 1345 inches. When working with sheet metal the term gauge is often used. Unit of thickness of a metal sheet or wire.

Sheet metal gauges the below table summarizes sheet metal gauge and tolerances. Gague ga is a length measurement unit for diameters originating in north america and belongs to the browne sharpe metering system. A sheet metal gauge sometimes spelled gage indicates the standard thickness of sheet metal for a specific material. As the gauge number increases the thickness drops by 10 percent.

Gauge differs between ferrous iron based metals and nonferrous metals such as aluminum or copper. Gauge is a dimensionless number sometimes spelled gage and confusingly it works backwards. Gague are used to specify the thickness of a metal sheet. Gauge or gage sizes are numbers that indicate the thickness of a piece of sheet metal with a higher number referring to a thinner sheet.

As the gauge number increases the material thickness decreases. Usually a bigger number means there s more of something but 18 gauge steel is thinner than 16ga not thicker. Commonly used steel sheet metal ranges from 30 gauge to about 7 gauge. The larger the gauge number the thinner the metal.

The equivalent thicknesses differ for each gauge size standard which were developed based on the weight of the sheet for a given material. The manufacturers standard gage provides the thicknesses for standard steel galvanized steel and stainless steel.