Gauge Sheet Metal Definition

Gague are used to specify the thickness of a metal sheet.

Gauge sheet metal definition. As the gauge number increases the thickness drops by 10 percent. Unit of thickness of a metal sheet or wire. Monroe nor any of its employees shall be held liable for any improper or incorrect use of the information described and or contained herein and assumes no responsibility for anyone s use of the information. 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. 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. This is known as the manufacturers standard gage for sheet steel. Sheet metal gauges the below table summarizes sheet metal gauge and tolerances.

The equivalent thicknesses differ for each gauge size standard which were developed based on the weight of the sheet for a given material. Sheet metal thickness gauges for steel are based on a weight of 41 82 pounds per square foot per inch of thickness. As the gauge number increases the material thickness decreases. Sheet metal is specified in gauge so rather than design in fractions of an inch you should really be specifying ga on part prints.

Gague ga is a length measurement unit for diameters originating in north america and belongs to the browne sharpe metering system. Gauge differs between ferrous iron based metals and nonferrous metals such as aluminum or copper. When working with sheet metal the term gauge is often used. The manufacturers standard gage provides the thicknesses for standard steel galvanized steel and stainless steel.

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. In the u s the thickness of sheet metal is commonly specified by a traditional non linear measure known as its gauge.