Round Bars Steel Round Bar & Round Bar Manufacturers at UG Steel High quality and reasonable price. Round Bars Steel Round Bar & Round Bar ... Manufacturers at UG Steel NameSteel bar/Round bar /Square bar / ... Series/400 SeriesStandardJIS/AISI/ ASTM, /GB, /DIN, /ENOD (Round bar) Size (Square bar) Size (Flat Bar) Size (Angle ...