304 Stainless Steel Bar 1) Grade : 321, 304, 304L, 316, 316L, 317, 317,310S and so on 2) Processing :cold drawn,hot rolled. 304 ... Outside Diameter: from 1mm to 300mm2) Main Material: Grade : 321, 304, 304L, 316, 316L, 317, 317,310S3) Main Standards: ASTMA312,ASTMA213 ... our best attention all the time. type stainless steel bar size1mm to 240mmgrade321, 304, 304L, 316, 316L, 317, 317L,310s,904L etc ...