Steel Sheet Metal Gauge Thickness Tolerance

In the u s the thickness of sheet metal is commonly specified by a traditional non linear measure known as its gauge.

Steel sheet metal gauge thickness tolerance.

During the rolling process the rollers bow slightly which results in the sheets being thinner on the edges. 4 2242 2332 2152. 1000 mm wide sheet metal. The following charts give typical astm and ansi steel sheet mechanical tolerance ranges.

The larger the gauge number the thinner the metal. Gauge differs between ferrous iron based metals and nonferrous metals such as aluminum or copper. 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. Thickness tolerance in mm or for given width in mm.

1250 mm wide sheet metal. A gauge conversion chart can be used to determine the actual thickness of sheet metal in inches or millimeters. Sheet metal guage tolerances. Contact us to know more about our reference chart in cincinnati louisville.

For example 18 gauge steel according to a gauge conversion chart is 0 0478 inch or 1 214 millimeter. Gauges are neither standard nor metric and the values are independent of those measurement systems. The tolerances in the table and attachments reflect current manufacturing practices and commercial standards and are not representative of the manufacturer s standard gauge which has no inherent tolerances.