Air gages can be used to measure the thickness of metal sheets or strips ... IR, nuclear, and beta gauge instruments use the absorption of radiation to measure the thickness or basis weight of webs, ...

Hot-rolled steel products can run from in thick to 18-gauge (0.0478 in) and still be considered as sheet, although many authorities consider any sheet-metal thickness of 0.250 in and greater as plate.

known as gauges. An easy way to remember sheet metal thickness is that the higher the gauge number, the thinner it is. The ...

When buying sheet metal, the SWG size gives the thickness measurement, but the length and width measurements are also needed. Bulk buying metal, as with most items, can save money.