Cold Formed Seamless Steel Square Tubing  

Seamless Steel Square Tubing for Railway Constructions , Special Steel Pipe,Hollow Structural Sections(HSS) We are Seamless Square Steel Tube,Stainless Steel Square Tube,Seamless Stainless Steel Square Pipe,Carbon Square Steel Pipe,Oval steel tube leading manufacturers in China. we do business all over the world. Metal Square Tubing as per Standard: ASTM A500 Steel Square Tubing EN10210-1Steel Square Tubing Cold-Formed Welded and Seamless Carbon Structural Tubes in Rounds and Shapes Feature:     An excellet structural shape . cut the cost with light weight and high strength. End Use: construction of bridges, and buildings, and for general strcutural purposes                High way Signs ,Oild field Services, Communication Towers Size range: Square tubes O.D. :20-20 to 500-500mm W.T.:1-24mm L:max12000mm…