First, the perimeter of the section is very small, can be rolled up metal materials.

Second, the hot rolled steel wire is a large amount of steel varieties. After rolling can be used directly for reinforced concrete reinforcement and welded structural parts, can also be reprocessed for use. For example, by drawing into various specifications of steel wire, and then twisted into steel wire rope, woven into steel wire mesh and winding forming and heat treatment into the spring; hot, cold forging into rivets and cold forging and rolling into bolts, screws, etc.; by cutting into heat treatment into mechanical parts or tools.