Carbon steel bar is a general-purpose steel with excellent formability and weldability. There are two types of round steel bars, hot-rolled and cold-rolled. Hot rolled round bars are often used in applications like construction where finish and exact dimensions are not a priority. In contrast, cold rolled round bars are used for applications with excellent surface finish and precise dimensions.

Different types of steel round bars have a wide range of applications, some common applications include frames, braces, braces, shafts and axles, automobile manufacturing, shipbuilding, aerospace, petrochemical, automotive power and wind engines, metallurgical machinery, precision tools, etc.