Aluminum Perforated Sheet 300314 Round Hole provides offers good strength, high durability, easy machinability, high corrosion resistance, and light weight 3003 aluminum is wellsuited to outdoor and harsh environment applications due to its durability and corrosion resistance It 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