Steel Sheet Gauge Size Chart

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.

Steel sheet gauge size chart. The equivalent thicknesses differ for each gauge size standard which were developed based on the weight of the sheet for a given material. 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 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. Let s make holes faster.

The gauge number 18. Use our handy chart to convert standard gauge numbers in decimals of an inch for sheet steel aluminum and stainless steel. 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.