ASTM A36 round bar is a low carbon structural steel round bar produced based on ASTM A36/A36M standards with excellent weldability, good processability and moderate strength. A36 is a typical mild steel. Because of its low cost and wide range of applications, it is widely used in building structures, machinery manufacturing, support components and processed parts.What is ASTM A36 round bar?ASTM A36 (ASTM A36/A36M) is a common carbon steel specification for low carbon steel st...