Originally used in the fields of medicine and jewellery the larger the.
Steel sheet thickness.
For example 18 gauge steel according to a gauge conversion chart is 0 0478 inch or 1 214 millimeter.
For other materials such as aluminum and brass the thicknesses will be different.
Gauge to thickness chart click here for a printable pdf chart gauge.
Sheet metal thickness gauges for steel are based on a weight of 41 82 pounds per square foot per inch of thickness.
In the u s the thickness of sheet metal is commonly specified by a traditional non linear measure known as its gauge.
In most of the world sheet metal thickness is consistently specified in millimeters.
Commonly used steel sheet metal ranges from 30 gauge to about 7 gauge.
Gague are used to specify the thickness of a metal sheet.
Number of gauge approximate thickness in fractions of an inch.
The larger the gauge number the thinner the metal.
For the purpose of securing uniformity the following is established as the only standard gauge for sheet and plate iron and steel in the united states of america namely.
The gauge number 18 holds no relevance to the actual measurements.
When working with sheet metal the term gauge is often used.