Aluminum Sheet Metal Gauge Tolerance

Metal gauges below you ll find the info you need with our sheet steel stainless steel and aluminum sheet metal charts.

Aluminum sheet metal gauge tolerance.

Use the chart below to convert standard gauge numbers in decimals of an inch for sheet steel aluminum and stainless steel. Super thick sheets mm. Because of the varying thicknesses a gauge chart should be used to ensure the metal meets the required dimensions. Sheet metal guage tolerances.

Click here for a gauge to mm conversion chart. During the rolling process the rollers bow slightly which results in the sheets being thinner on the edges. Aluminum sheet thickness tolerances 1100 3003 5052 6061 2024 7075 1100 3003 5052 6061 2024 7075. The tolerances in the table and attachments reflect current manufacturing practices and commercial standards and are not representative of the manufacturer s standard gauge which has no inherent tolerances.

History of the gauge system the gauge system has long history in metal fabrication. Processing may include polishing or the applying of protective plastics which will decrease or increase a sheet s thickness respectively. The aluminum sheet metal thickness can be divided into four categories. For example in one gauge system 18 gauge steel measures 0 0478 inches thick but 18 gauge aluminum is 0 0403 inches thick.

Gauge stainless galvanized sheet steel aluminum fraction inches mm inches mm inches mm inches mm 30 0 0125 0 33 0 0157 0 40 0 0120 0 30 0 0100 0 25. Sheet metal gauges the below table summarizes sheet metal gauge and tolerances.