1) Dia.: 2mm~500mm 2) Standard: ASTM A276 3) Free-cutting Steel 4) Material: 304, 316L, 321, 17-4PH, 630, ... angle,flat,square,hexagonal,channel barsAnother NameStainless steel rod , steel round bar , round steel ,round bar SizeDia 2mm-500mmSpecial specifications ... 310,310S,630,2205etc,904LC276,C350StandardAISI/ASTM/SUS/GB/DIN/EN/BSSurfaceBright finish , hot rolled pickled , polishedPackingExport-sea ...