Click here for a gauge to mm conversion chart.
14 gauge sheet metal thickness tolerance.
As the gauge number increases the material thickness decreases.
The tolerances in the table and attachments reflect current manufacturing practices and commercial standards and are not representative of the manufacturer s standard gauge which has no inherent tolerances.
Processing may include polishing or the applying of protective plastics which will decrease or increase a sheet s thickness respectively.
Gauge to thickness chart gauge stainless galvanized sheet steel aluminum fraction inches mm inches mm inches mm inches mm 30 0 0125 0 33 0 0157 0 40 0 0120 0 30 0 0100 0 25.
A gauge conversion chart can be used to determine the actual thickness of sheet metal in inches or millimeters.
Sheet metal guage tolerances.
Sheet metal thickness gauges for steel are based on a weight of 41 82 pounds per square foot per inch of thickness.
For example 18 gauge steel according to a gauge conversion chart is 0 0478 inch or 1 214 millimeter.
Sheet metal thickness is denoted by gauge sometimes spelled gage which indicates a standard thickness before processing.
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.
Gauge decimal equivalent tolerance plus minus 7 1874 007 7 87 7 72 8 1650 007 6 93 6 80 10 1350 006 5 67 5 56 11 1200 005 5 04 4 94 12 1054 005 4 43 4 34 13 0900.
The equivalent thicknesses differ for each gauge size standard which were developed based on the weight of the sheet for a given material.
During the rolling process the rollers bow slightly which results in the sheets being thinner on the edges.
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Gauge to thickness chart click here for a printable pdf chart gauge.