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Square rectangular tube


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
square and rectangular steel pipe Standard : GB6728/GB6725
Material:Gr. A/B/C, S235JR,S 355JR. ASTM A36 Q235 /345

The size of Square steel pipe and Rectangular steel pipe.
Square steel tube(GB/T6728-2002 GB/T6725-2002)

20×20×(1.2-2)mm

30×30×(1.5-3)mm

140×140×(4-10)mm

40×40×(1.5-4)mm

150×150×(4-10)mm

50×50×(1.5-4.5)mm

160×160×(4-10)mm

60×60×(2-5)mm

180×180×(4-12)mm

70×70×(2.5-5)mm

200×200×(4-14)mm

80×80×(2.5-6)mm

220×220×(5-14)mm

90×90×(3-7)mm

250×250×(5-14)mm

100×100×(4-8)mm

300×300×(6-14)mm

120×120×(4-8)mm

350×350×(8-14)mm

130×130×(4-10)mm

400×400×(8-14)mm

135×135×(4-10)mm

Rectangular steel tube (GB/T6728-2002 GB/T6725-2002)

30×20×(1.5-2.5)mm

40×20×(1.5-3)mm

150×100×(4-8)mm

40×25×(1.5-3)mm

160×80×(4-8)mm

40×30×(1.5-3)mm

180×100×(4-10)mm

50×25×(1.5-3)mm

200×120×(4-10)mm

50×30×(1.5-4)mm

200×150×(4-10)mm

60×30×(2-4)mm

220×140×(4-12)mm

60×40×(2-4)mm

250×150×(4-12)mm

70×50×(2-5)mm

260×180×(5-14)mm

80×40×(2-5)mm

300×200×(5-14)mm

80×60×(3-5)mm

350×250×(6-14)mm

90×50×(3-5)mm

400×200×(6-14)mm

100×50×(3-5)mm

400×250×(6-14)mm

120×60×(3-6)mm

400×300×(8-14)mm

120×80×(3-6)mm

450×250×(8-14)mm

140×8×(4-7)mm

500×300×(8-14)mm


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