Standard Sheet Metal Gauges

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.

Standard sheet metal gauges. Gauges are neither standard nor metric and the values are independent of those measurement systems. For example 18 gauge steel according to a gauge conversion chart is 0. 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. To mm of galvanized steel stainless steel aluminium electrical steel.

A sheet metal gauge sometimes spelled gage indicates the standard thickness of sheet metal for a specific material. Gauges are used to specify the thickness of a sheet metal. Related product s the thickness of sheet metal is commonly specified by a traditional non linear measure known as its gauge. Extremely thin sheets are considered foil or leaf and pieces thicker than 6 mm 0 25 in are considered.

Table 1 below summarizes the most common sheet metal sizes for aluminum standard sheet steel stainless steel and galvanized steel. Standard sheet metal gauges subject. Gauge thickness chart for in. As the gauge number increases the material thickness decreases.

Sheet metal gauge sheet metal gauge thickness sheet metal gauge to mm created date. Thicknesses can vary significantly. Sheet metal gauge sizes. Approximate thickness in fractions of an inch.

Table 1 sheet metal sizes including gauge and weight per square foot. Metal gauges below you ll find the info you need with our sheet steel stainless steel and aluminum sheet metal charts. This is known as the manufacturers standard. Use the chart below 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. The equivalent thicknesses differ for each gauge size standard which were developed based on the weight of the sheet for a given material. Standard gauges of sheet metal chart. Sheet metal is metal formed by an industrial process into thin flat pieces.

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 one of the fundamental forms used in metalworking and it can be cut and bent into a variety of shapes countless everyday objects are fabricated from sheet metal. Sheet metal thickness gauges for steel are based on a weight of 41 82 pounds per square foot per inch of thickness. Weight per square foot of material is also provided.