Stainless Steel 304 is the most common form of stainless steel used around the world, due to its excellent corrosion resistance and value. It contains between 16 and 24 percent chromium and up to 35 percent nickel, as well as small amounts of carbon and manganese. Its common uses are Fasteners and finishing hardware (screws, nuts, bolts, plates, handles), Residential sinks and sink parts, indoor architectural/decorative hardware and storage tanks etc.