Sheet metal gauges run from under 0.001 to 0.500 in. 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 gauges run from under 0.001 in to 0.500 in. Hot-rolled steel products can run from in thick to no. 18 gauge (0.0478 in) and still be considered sheet. Cold-rolled steel sheets are ...

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.