Round steel is divided into three types: hot rolled, forged and cold drawn. The specification of hot-rolled round steel is 5.5-250 mm. Among them: 5.5-25mm small round steel is mostly supplied in straight strips, which are often used as steel bars, bolts and
various mechanical parts; round steel larger than 25mm is mainly used to manufacture mechanical parts and tube blanks for seamless steel pipes. and many more.