Reinforcing steel bars are a type of steel with a threaded texture, commonly used as a reinforcing material for concrete in construction, bridges, roads, and other engineering projects. The main characteristics of reinforcing steel bars are their good ductility and plasticity, allowing them to be easily bent into various shapes, while also possessing high tensile strength and hardness.

The primary use of reinforcing steel bars is as concrete reinforcement, used to strengthen concrete structures and improve their tensile and compressive strength.

In construction engineering, reinforcing steel bars can be made into various shapes and specifications of steel strips to reinforce structural components such as columns, beams, and slabs, improving the overall stability and load-bearing capacity of the structure. Furthermore, reinforcing steel bars are frequently used to manufacture bolts, nuts, and other connectors for connecting and securing various components and parts.