... Steel Bar, Round Steelii. Material Grade: 201, 301, 302, 303, 304, 304L, 316, 316L, 321, 309S, 309H, 310, 310S, 2205 ... 416, 431, 430 etc. 201 (1Cr17Mn6Ni5N) 202 (1Cr18Mn8Ni5) 301 (1Cr17Ni7) 304 (0Cr18Ni9) 304L (00Cr19Ni10) 310 (1Cr25Ni20) 316 (0Cr17Ni12Mo2) 316L (00Cr17Ni14Mo2) ... Steel Hexagonal Bar/Rod Welcome to Sending Inquiry! 304 cold drawn bright Stainless Steel Solid Round Rods,dia 3mm~12mm