Sheet metal gauging charts


gage no. steel: stainless stl. alum. 7.179--8.164.172-9.150.156-10.135.141-11.120.125-12.105.109-13.090.094.093: 14.075.078.079: 15.067.070.071: 16.060.063 Converting sheet metal gauge numbers to millimeters is as simple as following the chart below. For a more comprehensive gauge chart you can check out our sheet metal gauge chart here. This chart covers the common and uncommon sheet metal sizes for steel, aluminum and galvanized steel. Typically the even number gauges are used more frequently. 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 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 Sheet Metal Fabrication Resources, Blog and Discussion Forum Pages Home Fabrication Formulas Tooling Terminology Design Guidelines Sheet Metal Gauge Chart Search for: Advertisements. Search. Sheet Metal Gauge Chart Sheet metal thickness is denoted by gauge, sometimes spelled gage, which indicates a standard thickness before processing.