Is it true that rebar is hot rolled?

Rebar, or reinforcing bar, is indeed classified as hot rolled steel. This process involves passing steel billets through rollers at a high temperature which increases malleability, making it easier to shape and form. Hot rolling is typically applied to produce steel products such as rebar, as it allows for various profiles and sizes. The hot rolling process also improves the mechanical properties of the steel, enhancing its strength and ductility, which are essential for its purpose in concrete structures.

Understanding the characteristics of hot rolled rebar is important in civil engineering, particularly in ensuring that structures possess adequate tensile strength, as rebar is used to reinforce concrete and withstand tension forces that concrete alone cannot handle. The properties afforded by hot rolling make it the preferred method for rebar production in the construction industry.