F316 (X2CrNiMo17-12-2) is an austenitic stainless steel with added molybdenum, which enhances its corrosion resistance—particularly against chlorides and other aggressive agents. It is equivalent to AISI 316 and 022Cr17Ni12Mo2 (GB), and is widely used in marine, chemical, and pharmaceutical industries for its superior resistance to pitting and crevice corrosion.