Rectangular tube is a kind of hollow rectangular thin wall steel tube. The steel strip welded round tube and then rolled into the rectangular tube.

Application of Rectangular Tube:  

a.) Construction, machinery manufacturing, steel structure engineering; 

b.) Electric power engineering, power plant, agricultural and chemical machinery; 

c.) Shipbuilding, highway, rail car, decoration; 

d.) Transmission fluid pipe, such as petroleum, natural gas, water, gas, steam, etc