Hot rolled carbon steel round bars, such as 15#, 20#, 35#, 45#, 50#, 55#, and 60#, are widely used in various industries due to their excellent mechanical properties and versatility. These numbers typically represent the carbon content or other specific properties of the steel, and they are commonly associated with Chinese steel grades.
These hot rolled carbon steel round bars are known for their high strength, good machinability, and weldability, making them suitable for applications such as shafts, axles, gears, and other machinery components. They are often used in the construction of automotive parts, agricultural equipment, and general engineering components.