Standard Steel Sheet Metal Gauges

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Standard steel sheet metal gauges.

What thickness or gauge is standard automotive sheetmetal on american vehicles such as a door skin or fender skin. Number of gauge approximate thickness in fractions of an inch. The manufacturers standard gage provides the thicknesses for standard steel galvanized steel and stainless steel. A gauge conversion chart can be used to determine the actual thickness of sheet metal in inches or millimeters.

This is known as the manufacturers standard gage for sheet steel. C1008 1010 hr steel sheet astm a1011 a569 hot rolled steel sheets are the most economical steel sheets available for a wide variety of applications hr steel sheets are easy to weld form and drill and has a slight grainy surface. Swg standard wire gauge imperial standard wire gauge used for sheet metal and wire welded steel pipes weights nominal weights of welded steel pipes ranging 26 60 inches wire gauge converter awg versus square mm american wire gauge awg versus square mm cross sectional area. Table 1 sheet metal sizes including gauge and weight per square foot.

Weight per square foot of material is also provided. The tables in my texts and on the machine reference gauge. I m practicing up on my mig and am trying to determine settings using er70 6s and c25. Table 1 below summarizes the most common sheet metal sizes for aluminum standard sheet steel stainless steel and galvanized steel.

For example 18 gauge steel according to a gauge conversion chart is 0 0478 inch or 1 214 millimeter. Sheet metal thickness gauges for steel are based on a weight of 41 82 pounds per square foot per inch of thickness. Industrial metal supply co. Magnetic brinell 95.

The equivalent thicknesses differ for each gauge size standard which were developed based on the weight of the sheet for a given material. For an identical application in brass alloys which are softer materials we recommend to specify nothing less than 18 or 16 gauge 0 050 or 0 060 1 20 mm or 1 50 mm. 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. For other materials such as aluminum and brass the thicknesses will be different.

If the plain metal sheet is glued to a solid substrate such as steel heavy plywood or particle board then 20 gauge 0 040 or 1 00 mm stainless steel is sufficient.