Below you will find a chart for metal thicknesses and weights. Commonly used metals for manufacturing at our shop are: Aluminum: 0.025", 0.032", 0.040", 0.050", 0.063", 0.080", 1/8" (0.125") and 1/4" (0.25"). Cold and hot rolled steel: 16 gauge, 14 gauge, 1/8" and 1/4". Galvanized steel: 24 gauge, 20 gauge, 18 gauge and 16 gauge.