Rebar is the common name for hot-rolled ribbed steel bars. The grade of ordinary hot-rolled steel bar is composed of HRB and the minimum yield point of the grade. H, R, and B are the first letters of

Steel is an important material necessary for the construction of the country and the realization of the four modernizations. It is widely used and has many varieties. According to the different cross-

1. Rebar and steel wireThe steel bars used in the structure are often divided into hot-rolled steel bars and cold-worked steel bars according to different processing methods.(1) Hot rolled steel bars.