60# is a hypoeutectoid steel, strength, hardness and flexibility are very high, plasticity is low when in the cold deformation, poor machinability, welding and hardenability, It will have a tendency to crack when in water quenching.

55# hot rolled and forged round bars are fine carbon structural steel under the standard of GB/T 699-1999 After treating,55# hot rolled and forged round bars, with high surface hardness and strength, but low plasticity and toughness.

50# hot rolled round bars and 50# forged round bars are belong to the high strength carbon structural steel, after quenching,50# hot rolled and forged round bars have high strength and hardness.

50Mn Steel round bar is a kind of high-quality carbon structural steel bar which under GB/T 699-1999 standard. More information about 50Mn steel round bar chemical composition and 50Mn Steel round bars details, please see the following.