... 150 grades of stainless steel, of which fifteen are most commonly used. The alloy is milled into coils, sheets, plates, bars, wire, and tubing to ... high quality stainless steel products, such as: 201, 301, 304, 321, 316, 316L, 309S and 310S Stainless steel sheets, 201, 301, 304, 321, 316, 316L, 309S and 310S Stainless steel pipes, and ...