... . Diameter range: 2mm~500mm AISI 304 Stainless Steel Round Bar 1. Grade: 201, 201Cu, 202, 303, 304, 304L, 310, 316, 316L,321,410, 420 ... , 416, 430, 430F, 431 440C, 630(17-4PH), 631...2. Technics: Hot-rolled, Hot-forged, Cold-drawn ... .5-110mm Hot- forged bar: 110-500mm Cold-drawn: 2-50mm Centerless grinding bright round bar: 5.0-40mm Peeled bright round bar: 40-300mm5. Length ...