Do you know deformed bar?

Deformed bar is commonly known as hot-rolled ribbed steel bars. It is a necessary steel for many medium-sized building components. China will import this kind of steel at a certain quantity every year. The main producing countries and regions are Japan and Western Europe. The quantity of exported deformed bar has increased these years, the Chinese building steel manufacturers which exports their products are mainly in Beijing, Tianjin, Shanghai, Wuhan, Sichuan, Liaoning and other provinces and cities. These products are mainly exported to Hong Kong and Macao regions and Southeast Asia.

 

Deformed bar can be classified into hot rolled deformed bar and alloy deformed bar. Hot rolled deformed bar is molded and cooled by hot-rolled finished deformed bar which is made up of the mild steel and general steel pressed at high temperatures. It is one of the most needed steel in a civil construction, which is mainly used for the reinforcement of reinforced and prestressed concrete structures. The deformed bar whose diameter is from 6.5 to 9 mm will be rolled into wire rod, and that from 10 to 40 mm will become straight  with it’s length from 6 to 12 meters. High quality hot rolled deformed bar should have a certain strength, yield point and tensile strength, which is the main basis for structural design.

 

Alloy deformed bar is another kind of steel with great usage. It can be used in the buildings with the ability to defend earthquake. The shape of the steel may change because of the  repeated tension and compression effects during the earthquake. The displacement angle among architectural layers can reach 1 / (650 to 800) under the force of the earthquake. Therefore, buy alloy deformed bar with high quality seems to be very important, because  the steel should have the potential to absorb seismic energy. This potential is reflected by the product of maximum stress, maximum strain and time