Standard Sheet Metal Gauges

Approximate thickness in decimal parts of an inch.

Standard sheet metal gauges.

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. Standard sheet metal gauges subject. To mm of galvanized steel stainless steel aluminium electrical steel. Related product s the thickness of sheet metal is commonly specified by a traditional non linear measure known as its gauge.

Gauges are neither standard nor metric and the values are independent of those measurement systems. 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 is metal formed by an industrial process into thin flat pieces. A gauge conversion chart can be used to determine the actual thickness of sheet metal in inches or millimeters.

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 knowledge menu sheet metal manufacturing and services. Thicknesses can vary significantly. A sheet metal gauge sometimes spelled gage indicates the standard thickness of sheet metal for a specific material.

Sheet metal gauge sheet metal gauge thickness sheet metal gauge to mm created date. 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. For example 18 gauge steel according to a gauge conversion chart is 0.

Table 1 below summarizes the most common sheet metal sizes for aluminum standard sheet steel stainless steel and galvanized steel. Metal gauges below you ll find the info you need with our sheet steel stainless steel and aluminum sheet metal charts. 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. Gauge thickness chart for in.

Gauges are used to specify the thickness of a sheet metal. Standard gauges of sheet metal chart. Extremely thin sheets are considered foil or leaf and pieces thicker than 6 mm 0 25 in are considered. Weight per square foot of material is also provided.

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. Sheet metal thickness gauges for steel are based on a weight of 41 82 pounds per square foot per inch of thickness. As the gauge number increases the material thickness decreases. Sheet metal gauge sizes.