Standard Thickness Steel Sheet

Gauges are used to specify the thickness of a sheet metal.

Standard thickness steel sheet.

The chart below can be used to determine the equivalent sheet thickness in inches or millimeters for a gauge number from the selected gauge size standard. Number of gauge approximate thickness in fractions of an inch. The galvanized sheet gauge is based on the u s. Standard gauge number regardless.

Standard specification for steel sheet hot rolled carbon commercial structural and high strength low alloy and ultra high strength produced by twin roll casting process. This is known as the manufacturers standard gage for sheet steel. Each galvanized sheet gauge number is 2 5 ounces per sq. For other materials such as aluminum and brass the thicknesses will be different.

Standard steel in galvanized steel in stainless steel in aluminum brass. Sheets ordered by gauge weight or thickness are subject to standard thickness and weight tolerances. Gague ga is a length measurement unit for diameters originating in north america and belongs to the browne sharpe metering system. Gauge is defined differently for ferrous iron based and non ferrous metals e g.

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. Lastly a standard exists for zinc in which a higher gauge number indicates a thicker sheet. For example 18 gauge steel according to a gauge conversion chart is 0. Gague are used to specify the thickness of a metal sheet.

When working with sheet metal the term gauge is often used. Standard specification for steel sheet and strip heavy thickness coils alloy drawing steel and structural steel hot rolled. Heavier or 0037 inch thicker than the weight or thickness of the corresponding u s. A1039 a1039m 20.

Sheet metal thickness gauges for steel are based on a weight of 41 82 pounds per square foot per inch of thickness. Gauge to thickness chart click here for a printable pdf chart gauge. Thus a 10 gauge steel sheet which has a thickness of 0 1345 inches will weigh. In general cold rolled steel sheet can hold tighter tolerances than hot rolled when machined or otherwise fabricated and provides a better overall surface finish.

Manufacturers standard gauge for sheet steel is based on an average density of 41 82 lb per square foot per inch thick equivalent to 501 84 pounds per cubic foot 8 038 7 kg m 3.