Common Sheet Metal Gauges

Sheet metal is available in a variety of different metal types and thicknesses.

Common sheet metal gauges.

Use the chart below to convert standard gauge numbers in decimals of an inch for sheet steel aluminum and stainless steel. The higher the number the thinner the sheet metal. In the u s the thickness of sheet metal is commonly specified by a traditional non linear measure known as its gauge. Sheet metal is one of the shapes and forms metal can be bought in.

This is known as the manufacturers standard. To help this blog will explain the gauge system and features a sheet metal gauge chart. In most of the world sheet metal thickness is consistently specified in millimeters. The larger the gauge number the thinner the metal.

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 equivalent thicknesses differ for each gauge size standard which were developed based on the weight of the sheet for a given material. The following sheet metal gauge size reference chart gives the weight and thickness of sheet metal given as a gauge sometimes spelled gage and indicates the standard thickness of sheet metal and wire for most materials as the gauge number increases the material thickness decreases. Choosing the right sheet metal gauge and thickness is essential to any metal fabrication project.

Approximate thickness in fractions of an inch. 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. Sheet metal is any metal that has a thickness in between 0 5 6 millimetres. When working with sheet metal it is common for the term gauge to be used someone unfamiliar with the gauge system may not understand what is meant by 18 gauge steel for example.

Approximate thickness in decimal parts of an inch. Foils sheets and plates are pretty much the same with the only difference being in thickness. Sheet metal thickness gauges for steel are based on a weight of 41 82 pounds per square foot per inch of thickness. A gauge is a traditional non linear measurement.

There are other measurement units used to categorise metals by thickness though. Commonly used steel sheet metal ranges from 30 gauge to about 7 gauge. A sheet metal gauge sometimes spelled gage indicates the standard thickness of sheet metal for a specific material. As the gauge number increases the material thickness decreases.