Type 316/316L Stainless Steels Explained
Marine-grade stainless steel, called type 316, is resistant to certain types of corrosive environments. There is a variety of different types of 316 stainless steel. Some common types are the L, F, N, and H variants. Each is slightly different, and each is used for different purposes. The "L" designation means 316L steel has less carbon than 316.