Different Gauges Of Sheet Metal

Sheet metal measuring tools.

Different gauges of sheet metal.

For example in one gauge system 18 gauge steel measures 0 0478 inches thick but 18 gauge aluminum is 0 0403 inches thick. Is different from inches there is no conversion formula. 16 ga crs is 2 5 pounds per square foot. 0 027 or 0 032 for seamless gutters and any other thickness for custom gutters.

Thus a 10 gauge steel sheet which has a thickness of 0 1345 inches will weigh 41 82 0 1345 5 625 pounds per square foot. The brown and sharpe gage also known as the american wire gage awg is used for most non ferrous metals such as aluminum and brass. Steel or sheet metal steel is an alloy made up of different kinds of elements. 0 7 mm 0 8mm and 1 5 mm.

It should be noted that aluminum is usually classified by inches rather than gauge as there is no official gauge standard for aluminum. For 18 ga crs the weight is 2 0 pounds per square foot and for 20 ga crs the weight is 1 5 pounds per square foot. The manufacturers standard gage provides the thicknesses for standard steel galvanized steel and stainless steel. Galvanized steel sheet metal measuring 30 gauges equals 0 0157 inch but the same gauge standard steel sheet metal measures 0 0120 inch and 30 gauge stainless steel measures 0 0125 inch.

You can find the gauge to mm inch conversion for sheet metal by the chart below. The customary range gauge of a metal sheet is from a scale of 35 going down to 6. History of the gauge system. There are several different gauge systems used today with specific gauge designations used for specific metal types.

Because of the varying thicknesses a gauge chart should be used to ensure the metal meets the required dimensions. For example a gage ordinarily used for copper brass and other non ferrous materials may incorrectly be used for steel and vice versa. Sheet metal on the other hand is basically metal designed into thin quantities used for metalworking. The gauge system has long history in metal fabrication.

Even when the non ferrous metal plate and the steel plate are the same ga the thickness is actually different. Kynar aluminum for metal roofing. Kynar galvalume steel for metal roofing and gutters. Click here for more.