Tianjin Lefin Industrial Co., Ltd is one of the most experienced manufacturers and suppliers of square steel tubing in China. Please feel free to buy high quality square steel tubing from our factory. Good service and reasonable price are available.
Square Steel Tubing
Structural Steel Square Hollow Seciton, Steel Square Tube.
Sizes(mm): 200X200, 350X350, 450X450, 600X600, 700X700, 850X850.... 1000X1000, 1150X1150, 1200X1200.
Wall Thickness: 2.0mm-9.0mm, 9.5mm-13.0mm, 13.5mm-17.5mm, 18mm-50mm.
External Corner Radius: 2.0R, 2.5R, 3.0R (Or as per request.)
Standard:
EN 10219 —— S355J0H, S355J2H, S355JR
ASTM A500 —— Grade.B, Grade.C
JIS G 3466 —— STKR400, STKR490
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