Printable Sheet Metal Gauge Chart – Sheet metal gauge chart standard steel galvanized steel stainless steel aluminum,. Find the thickness of various sheet metal types in inches and millimeters on this chart. Filter for standard steel, galvanized steel, stainless. Find the conversion table for sheet metal gauge and thickness in inches and millimeters for. Sheet metal gage thickness chart gauge mild steel aluminum galvanized steel stainless. 38 rows gauge size chart for sheet metal. Sheet metal thickness chart page 1 of 1.