Stainless steel round bar Grade :201,202,301,304,321,316,316L,309S,310S Specifications:dia3mm-480mm Stainless Steel Bright ... Steel Bar, Round Steelii. Material Grade: 201, 301, 302, 303, 304, 304L, 316, 316L, 321, 309S, 309H, 310, 310S, 2205, 416, ... life, corrosion resistance , competitive price and reliable services . Manufacturers of AISI 304/316/321/310S stainless steel hot rolled/solid round bar