Standard Steel Sheet Metal Gauges

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.

Standard steel sheet metal gauges.

Standard gauge for sheet and plate iron and steel. The larger the gauge number the thinner the metal. Related product s the thickness of sheet metal is commonly specified by a traditional non linear measure known as its gauge. This is known as the manufacturers standard gage for sheet steel.

For example 18 gauge steel according to a gauge conversion chart is 0 0478 inch or 1 214 millimeter. In the u s the thickness of sheet metal is commonly specified by a traditional non linear measure known as its gauge. Sheet metal thickness gauges for steel are based on a weight of 41 82 pounds per square foot per inch of thickness. Please note that astm states in specification astm a480 10a the use of gage number is discouraged as being an archaic term of limited usefulness not having general agreement on.

Gauges are neither standard nor metric and the values are independent of those measurement systems. The brown and sharpe gage also known as the american wire gage awg is used for most non ferrous metals such as aluminum and brass. Standard gauges of sheet metal chart. Commonly used steel sheet metal ranges from 30 gauge to about 7 gauge.

For other materials such as aluminum and brass the thicknesses will be different. Standard gauge for sheet and plate iron and steel.