Stainless Perforated Sheet 304 offers a great mix of strength, corrosion resistance in most situations outside of marine environments, and light weight If your project is in a marine environment, choose 316 stainless 304, the most popular stainless alloy in the world, maintains its properties in high temperature situations It is typically used in aerospace, food and beverage industry, pressure containers, architectural designs and trim, cryogenic applications, and chemical processing equipment Perforated Sheet is popular for filters, covers, artwork, and security grates