Product Name	Square Steel tube/Galvanized square pipe/Pre-galvanized square pipe
Size	OD:	10x10-600x600
	Thickness:	0.6~25mm,
	Length:	1-12m or as request
Steel material	Q195-Q235 , Q345 , S235, S355, S235JR, S355JR.STK400/500
Standard	GB/T6728:2002 , ASTM A500 , JIS G3466 , EN10210 ,EN10219, ASTM A500 Gr. A.B.C.
Usage	Widely used in construction, bridge, highway, windows of model steel door, machinery, chemical industry, supermarket goods shelf and so on.
Ends	Usually Plain ,But Can Be Beveled Or By Your Choice
Surface	Black, Galvanized,pre-galvanized
Technique	ERW and Hot Rolled
Type	Welded
Welded Line Type	Longitudinal