3003 aluminum is highly workable, formable, and extremely corrosion resistant. 0.063" Thickness, 14 Gauge, 24" Width, 24" Length, 0.5625" Center to Center H14 3003-14 is typically used in decorative parts, structural and vehicle trim, chemical tanks, pressure vessels, and piping. Perforated Sheet is popular for filters, covers, artwork, and security grates.