Standard Sheet Metal Gauges

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Standard 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 equivalent thicknesses differ for each gauge size standard which were developed based on the weight of the sheet for a given material. Standard sheet metal gauges subject. Gauge thickness chart for in.

For example 18 gauge steel according to a gauge conversion chart is 0. 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. Metal gauges below you ll find the info you need with our sheet steel stainless steel and aluminum sheet metal charts. Gauges are used to specify the thickness of a sheet metal.

Weight per square foot of material is also provided. Extremely thin sheets are considered foil or leaf and pieces thicker than 6 mm 0 25 in are considered. A sheet metal gauge sometimes spelled gage indicates the standard thickness of sheet metal for a specific material. Approximate thickness in decimal parts of an inch.

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. Table 1 sheet metal sizes including gauge and weight per square foot. This is known as the manufacturers standard.

Related product s the thickness of sheet metal is commonly specified by a traditional non linear measure known as its gauge. 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. 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. A gauge conversion chart can be used to determine the actual thickness of sheet metal in inches or millimeters.

Standard gauges of sheet metal chart. Sheet metal gauge sizes. To mm of galvanized steel stainless steel aluminium electrical steel. Sheet metal is metal formed by an industrial process into thin flat pieces.

Thicknesses can vary significantly. Gauges are neither standard nor metric and the values are independent of those measurement systems. 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. As the gauge number increases the material thickness decreases.