Specifications

we are specialized in making square steer tubes.Diameter:30*30---500*500mm ,Thickness:3--25mm

We are specializied in making big & thickness square & rectangular steel tube

         Dimentions:  30*30-500*500 mm

         Thickness :   3-25mm
     
          Material:   Q235B Q345B 20# ST37,ST44,ST52.,ASTM A53, ASTM A 106 and so on
 
 Implement of standars:  GB/T 3094-2000 , GB/T 6728-2002 ,
                         JISG 3466 and so on
 Other production :seamless steel tube ,stainless steel tube,welded steel tube and the seamless with carious materials and thousands of specifications
 Contact name : jack li
 Contact tel     : 86-0317-3099705
      Alibaba ID : cn200802095