Steel round bar sizes A36 hot rolled steel round bars are an excellent candidate for most processing techniques. Round Bars are steel bar that is commonly used as Pump Shafts, Scaffolding and Cold Drawing. Alloy grades contain certain levels of nickel, molybdenum, chromium, and vanadium. Price and Shop at OnlineMetals. Steel Rounds are steel bars having a circular cross-section. 5. 00: Round Bar: 10mm diameter: 6 meters: 191. ROUND BAR. 0mm Mild Steel – Round Bar; Mild Steel – Square Bar; Round Mild Steel bars are characterised by their round or circular cross section. Engineering Steel. outmfuesdhwdamuejovveuuyvwokuljiazstfalavnevtsunpuotojvitnzkjvfeglda