Common Stainless Steel Sheet Metal Thickness

When working with sheet metal it is common for the term gauge to be used someone unfamiliar with the gauge system may not understand what is meant by 18 gauge steel for example.

Common stainless steel sheet metal thickness.

The gauges shown above are based on american stainless steel sheet steel manufacturers gauge thickness. Number of gauge approximate thickness in fractions of an inch. Our suppliers have provided the material data above with the nominal thicknesses based on industry standards. Foil sheet and plate having gone over the primary measurement systems we can now look at the categorisation of foils sheets and plates.

304 316 409 420 430 cold rolled stainless sheet. 12 mm steel vs 12 mm aluminium. These will vary from british gauges with some exceptions. In most of the world sheet metal thickness is consistently specified in millimeters.

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. Thickness tolerance specified width. Ryerson stocks many varieties of stainless steel sheet including 304 stainless steel the most popular of the stainless steels. 22 gauge 0 030 0 76 mm 0 5 12 7mm.

The larger the gauge number the thinner the metal. Sheet metal thickness gauges for steel are based on a weight of 41 82 pounds per square foot per inch of thickness. In the u s the thickness of sheet metal is commonly specified by a traditional non linear measure known as its gauge. A sheet metal gauge sometimes spelled gage indicates the standard thickness of sheet metal for a specific material.

As the gauge number increases the material thickness decreases. As it is related to the weight of a metal the actual thickness mm for the same gauge is different for various metals e g. Equal to less than 1000 1000 thru 1300 1300 thru 2100. Category thickness minimum bend bend radius.

To help this blog will explain the gauge system and features a sheet metal gauge chart. This type of stainless sheet thickness provides excellent corrosion resistance for both industrial and marine applications.