The Federal Bureau of Prisons official site for employment information Job Information Sheet Metal Mechanic Job Openings How to Apply FAQ Benefits Links Main Jobs Page Sheet Metal Mechanic . Includes jobs involved in the fabrication, modification, repair, assembly, and installation of sheet metal parts, items, and assemblies. Metals include, but are not restricted to, galvanized and black iron, aluminum alloys, stainless steel, copper and brass sheets, lead alloys, and bronze.
Sheet metal has no specific thickness.
Metals one-fourth inch thick or less are usually considered to be sheet metal.