Square steel pipe and Rectangular steel pipe.
square and rectangular steel pipe Application : Square steel pipe and Rectangular steel pipes are widely used in all kinds of large buildings and large equipments and etc.square and rectangular steel pipe Production capacity : 140,000 tons per year
Material:Gr. A/B/C, S235JR,S 355JR.
ASTM A36 Q235 /345
The size of Square steel pipe and Rectangular steel pipe.
I.Square steel tube(GB/T6728-2002 GB/T6725-2002)