Standard Sheet Metal Gauge Chart

Thicknesses can vary significantly.

Standard sheet metal gauge chart.

Sheet metal is metal formed by an industrial process into thin flat pieces. Sheet metal thickness gauges for steel are based on a weight of 41 82 pounds per square foot per inch of thickness. A gauge conversion chart can be used to determine the actual thickness of sheet metal in inches or millimeters. For example 18 gauge steel according to a gauge conversion chart is 0 0478 inch or 1 214 millimeter.

As the gauge number increases the material thickness decreases. The equivalent thicknesses differ for each gauge size standard which were developed based on the weight of the sheet for a given material. Kynar aluminum for metal roofing. Sheet metal gauge chart sheet metal gauge size sheet metal thickness sheet metal gauge created date.

26 gauge 24 gauge 20 gauge 18 gauge 16 gauge 14 gauge 1 8 and 1 4. 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. Kynar galvalume steel for metal roofing and gutters. 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 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. 24 gauge 20 gauge 18 gauge and 16 gauge. Metal gauges below you ll find the info you need with our sheet steel stainless steel and aluminum sheet metal charts. Extremely thin sheets are considered foil or leaf and pieces thicker than 6 mm 0 25 in are considered.

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. Sheet metal knowledge menu sheet metal manufacturing and services. Use the chart below to convert standard gauge numbers in decimals of an inch for sheet steel aluminum and stainless steel. Gauge to thickness chart click here for a printable pdf chart gauge.

2 15 2011 3 35 40 pm. This is known as the manufacturers standard.