1. Welding and gas cutting and other processes cannot be carried out beside the finish rolling thread steel;2. Always check the finish rolling rebar. If there is a fracture or serious wear mark, it should be replaced immediately. It cannot be used any more, and it should be labeled as "not usable.If

According to the needs to determine the quality and function of steel, different needs, to have different element content.Carbon: The higher the content, the higher the hardness of the steel, but the worse its plasticity and durability, the higher the hardness of the steel.Sulfur: harmful impurities

Finishing rolled rebar is the 1 kind of construction steel bar. It is divided into two ways: hot rolling and cold drawing: hot rolling: after heating to a certain temperature, the round steel is rolled and formed by several rolls. Advantages: high production efficiency and low cost.