Sheet metal thickness gauges for steel are based on a weight of 41 82 pounds per square foot per inch of thickness.
Steel sheet metal gauge thickness.
Commonly used steel sheet metal ranges from 30 gauge to about 7 gauge.
This is known as the manufacturers standard gage for sheet steel.
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.
The larger the gauge number the thinner the metal.
A gauge conversion chart can be used to determine the actual thickness of sheet metal in inches or millimeters.
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.
For example 18 gauge steel according to a gauge conversion chart is 0 0478 inch or 1 214 millimeter.
In most of the world sheet metal thickness is consistently specified in millimeters.
Gauge to thickness chart click here for a printable pdf chart gauge.
The equivalent thicknesses differ for each gauge size standard which were developed based on the weight of the sheet for a given material.