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. It should be noted that aluminum is usually classified by inches rather than gauge as there is no official gauge standard for aluminum. There are several different gauge systems used today with specific gauge designations used for specific metal types. 16 ga crs is 2 5 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. The customary range gauge of a metal sheet is from a scale of 35 going down to 6. Kynar aluminum for metal roofing. But iron presents the greatest value compared to other components such as carbon.

Click here for more. 0 027 or 0 032 for seamless gutters and any other thickness for custom gutters. 0 7 mm 0 8mm and 1 5 mm. Is different from inches there is no conversion formula.

Unfortunately there is considerable variation in the use of different gages. Sheet metal on the other hand is basically metal designed into thin quantities used for metalworking. Even when the non ferrous metal plate and the steel plate are the same ga the thickness is actually different. You can find the gauge to mm inch conversion for sheet metal by the chart below.

The gauge system has long history in metal fabrication. 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. 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. History of the gauge system.

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. Kynar galvalume steel for metal roofing and gutters. For example a gage ordinarily used for copper brass and other non ferrous materials may incorrectly be used for steel and vice versa. The equivalent thicknesses differ for each gauge size standard which were developed based on the weight of the sheet for a given material.