Thickness that is more than 6mm or 0.25 inches is called plates. Kynar Galvalume (Steel) for metal roofing and gutters: 24 gauge. These units are neither standard of metric and are completely independent of those typical measurement systems. The customary range gauge of a metal sheet is from a scale of 35 going down to 6. During the rolling process the rollers bow slightly, which results in the sheets being thinner on the edges. Aluminum for gutters: 0.027" or 0.032" for seamless gutters and any other thickness for custom gutters. Sheet Metal Thickness (Gauge) Chart in Inches Gauge Mild Steel Aluminum Galvanized Steel Stainless Steel 3 0.2391 0.2294 0.2500 4 0.2242 0.2043 0.2344 5 0.2092 0.1819 0.2187 6 0.1943 0.1620 0.2031 7 0.1793 0.1443 0.1875 8 0.1644 0.1285 0.1680 0.1719 9 0.1495 0.1144 0.1532 0.1562 The aluminum sheet metal thickness can be divided into four categories: … Sheet Metal & Wire Gauge Sizes Data Chart Tolerances, Engineering Design & Limits & Fits. General Information of Aluminum sheet thickness . Sheet metal on the other hand is basically metal designed into thin quantities used for metalworking. Sheet Metal Guage Tolerances . Sheet Metal Gauge Tolerances Chart . Nevertheless, in some situations sheet metal’s thickness can vary significantly which is then called foil or leaf. For example, 14 gauge stainless-steel is .07812 inches thick. Click here for more. Sheet metal measuring tools. An aluminum sheet metal thickness refers to the thickness of an Aluminium Sheets, a flat square (or rectangle) piece of aluminum material with a thickness of between 0.2mm and 500mm, a width of 200mm (some are even 50mm and above) and more, and a length of 16m or less. The following sheet metal gauge size reference chart gives the weight and thickness of sheet metal given as a "gauge" (sometimes spelled gage) and indicates the standard thickness of sheet metal and wire.For most materials, as the gauge number increases, the material thickness decreases. Tel: 800.400.7833 323.723.8836 Fax: 323.888.9866 2187 S. Garfield Avenue Los Angeles, CA 90040 Kynar Aluminum for metal roofing: 0.032" or 0.040". Gauges are used to specify the thickness of a sheet of metal. The gauge number … Keeping a gauge conversion chart nearby is an easy way to determine the actual thickness of a sheet of metal in inches or millimeters. Gauge and weight chart for sheet steel, galvanized steel, stainless steel, aluminum and strip & tubing: For full table with Stainless Steel, Aluminum, Strip and Tubing - rotate the screen! Zinc: 0.7 mm, 0.8mm and 1.5 mm.