hollow square steel tube

Specifications

We are specialized in making  big diameter&thick square&rectangular steel tubes with

different stardand.

  Our main products: square & rectangular steel tube

         Dimentions:   30*30-500*500 mm

         thickness :   3-25mm
     
           material:   Q235B Q345B 20# and so on
 
 Implement of standars:  GB/T 3094-2000 , GB/T 6728-2002 ,
                                  JISG 3466 and so on
   Other products  :  seamless steel tube , weld steel tube ,
                             oval tube, steel tube with the compound sections