Round bars are divided into three types: hot rolled, forged and cold-drawn. Hot rolled round bars are available in sizes from 5.5-250 mm. Among them: 5.5-25 mm small round steel is mostly supplied in straight strips in bundles, often used as steel bars, bolts and various mechanical parts; Round bars larger than 25 mm are mainly used to manufacture mechanical parts, pipe blanks for seamless steel pipes, etc