Steel Sheet Metal Gauge Thickness Tolerance

1000 mm wide sheet metal.

Steel sheet metal gauge thickness tolerance.

Gauge differs between ferrous iron based metals and nonferrous metals such as aluminum or copper. The following charts give typical astm and ansi steel sheet mechanical tolerance ranges. In the u s the thickness of sheet metal is commonly specified by a traditional non linear measure known as its gauge. The larger the gauge number the thinner the metal.

Contact us to know more about our reference chart in cincinnati louisville. 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. Hr hot rolled cr cold rolled sheet metal gage guage size chart carbon steel sheets. At american metal supply we provide the chart to calculate thickness and sheet tolerance in inches and the weight for various gauges.

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. Thickness tolerance in mm or for given width in mm. 1250 mm wide sheet metal.

Commonly used steel sheet metal ranges from 30 gauge to about 7 gauge. During the rolling process the rollers bow slightly which results in the sheets being thinner on the edges. Sheet metal guage tolerances.