Because of the varying thicknesses a gauge chart should be used to ensure the metal meets the required dimensions.
Thickness of a sheet of aluminum.
For example in one gauge system 18 gauge steel measures 0 0478 inches thick but 18 gauge aluminum is 0 0403 inches thick.
The equivalent thicknesses differ for each gauge size standard which were developed based on the weight of the sheet for a given material.
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Thicknesses can vary significantly.
Gague are used to specify the thickness of a metal sheet.
History of the gauge system the gauge system has long history in metal fabrication.
Sheet metal gauge thickness chart 2019 10 24t01 36 33 00 00 when working with sheet metal the term gauge is often used.
Sheet metal gauge size chart 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.
Sheet metal is metal formed by an industrial process into thin flat pieces.
Extremely thin sheets are considered foil or leaf and pieces thicker than 6 mm 0 25 in are considered.