Standard Automotive Sheet Metal Gauge

Sheet metal thickness gauges for steel are based on a weight of 41 82 pounds per square foot per inch of thickness.

Standard automotive sheet metal gauge.

Measuring sheetmetal when you measure a sheetmetal project remember that you can create an entire 6 sided box from a single piece of flat sheetmetal. Many racing organizations will specify the minimum acceptable gauge for sheet metal in critical applications such as firewalls and protective enclosures. The tables in my texts and on the machine reference gauge. 1 16 of over 2 000 results for auto body sheet metal eastwood 7 pieces 20 gauge auto body repair patch panels kit 20 gauge aluminized steel sheet metal corrosion resistant 4 0 out of 5 stars 10.

Gauge differs between ferrous iron based metals and nonferrous metals such as aluminum or copper. Using the manufacturers standard gauge table the thickness of 18 gauge mild steel sheet metal is 0478 inch thick. Originally used in the fields of medicine and jewellery the larger the. The thickness of an 18 gauge aluminum sheet is 0403 inch.

I m practicing up on my mig and am trying to determine settings using er70 6s and c25. Automotive sheet metal once ran in the range of 18 gauge which was 48 thousandths of an inch thick actually 0 0478 inch. Thanks for any info. As the gauge number increases the material thickness decreases.

Commonly used steel sheet metal ranges from 30 gauge to about 7 gauge. When working with sheet metal the term gauge is often used. A gauge conversion chart can be used to determine the actual thickness of sheet metal in inches or millimeters. 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.

Copper thickness for example is measured in ounces representing the weight of copper contained in an area of one square foot. The manufacturers standard gage provides the thicknesses for standard steel galvanized steel and stainless steel. Gague ga is a length measurement unit for diameters originating in north america and belongs to the browne sharpe metering system. The thickness of an 18 gauge stainless steel sheet is 0516 inch.

For example 18 gauge steel according to a gauge conversion chart is 0 0478 inch or 1 214 millimeter. Gauges are neither standard nor metric and the values are independent of those measurement systems. 20 gauge became common in more recent times and this meant 0 0359 inch thick metal still a lot to work with in bumping and metal finishing.