Sheet Metal Thickness Tolerance Chart

Click here for a gauge to mm conversion chart.

Sheet metal thickness tolerance chart. Extremely thin sheets are considered foil or leaf and pieces thicker than 6 mm 0 25 in are considered. Sheet metal thickness is denoted by gauge sometimes spelled gage which indicates a standard thickness before processing. Astm ansi mechanical steel sheet mechanical tolerances. A gauge conversion chart can be used to determine the actual thickness of sheet metal in inches or millimeters.

Hr hot rolled cr cold rolled sheet metal gage guage size chart carbon steel sheets. 4 20 2009 11 06 07 am. Aluminum sheet thickness tolerances xls author. Sheet metal is manufactured and delivered from the processing mill rolled to the standard thickness that you specify which is now metric.

When working with sheet metal the term gauge is often used. Sheet metal gauge tolerances chart. Processing may include polishing or the applying of protective plastics which will decrease or increase a sheet s thickness respectively. Thickness 36 48 60 title.

The sheet metal does however have a tolerance on the rolling thickness which needs to be taken into account when designing a tight fitting assembly especially as the sheet metal material gets thicker. Mechanical steel sheet mechanical tolerances. Contact us to know more about our reference chart in cincinnati louisville. Sheet metal guage tolerances.

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. 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. During the rolling process the rollers bow slightly which results in the sheets being thinner on the edges. Gague ga is a length measurement unit for diameters originating in north america and belongs to the browne sharpe metering system.

Thicknesses can vary significantly. At american metal supply we provide the chart to calculate thickness and sheet tolerance in inches and the weight for various gauges. Sheet metal is metal formed by an industrial process into thin flat pieces. Sheet metal gauge thickness chart 2019 10 24t01 36 33 00 00.

For example 18 gauge steel according to a gauge conversion chart is 0 0478 inch or 1 214 millimeter.