304 Stainless Steel Bar 1) Grade : 321, 304, 304L, 316, 316L, 317, 317,310S and so on 2) Processing :cold drawn,hot rolled. 304 Stainless Steel Bar1 ... : 321, 304, 304L, 316, 316L, 317, 317,310S3) Main Standards: ASTMA312,ASTMA213,GB/T14975-2002,GB/T14976- 2002,GB/T13296-91,JIS4 ... of our best attention all the time. type stainless steel bar size1mm to 240mmgrade321, 304, 304L, 316, 316L, 317, 317L,310s ...