Square Tube

Our company has two high-frequency welded square and rectangular tube production lines.

Classification:

Steel pipe

Key words:

Steel pipe

Whatsapp:

8618031185499

Inquiry

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Product Description

Product Features

The molding machine pressure of 8000 tons is the most advanced multi-piece archway structure.

Maximum production of 1000*1000mm square tube, 800*1200mm rectangular tube thickness of 60mm,length of13000mmsquare tube products.

Application

Construction of oil transportation stations, offshore drilling platforms, wind power towers, buildings, nuclear power, steel structures, transportation, Bridges, etc

Production Specification

High-frequency welded square and rectangular tubes

Material: 235/Q355/Q390/Q420

Length（mm）: 5500-18000

Enforce Standards: GB/T6728-2017 Cold-formed hollow steel for structure

Specifications（mm）	Thickness（mm）	Specifications（mm）	Thickness（mm）
100*200	4.5-8	220*220	4.75-16
120*120	4.5-8	250*250	4.75-16
130*130	4.5-8	250*300	5.5-16
150*150	4.5-10	250*350	7.5-16
150*200	4.5-10	250*400	7.5-16
150*250	4.5-10	250*500	9.5-16
160*160	4.5-10	300*300	7.5-16
180*180	4.5-12	300*400	9.5-16
200*200	4.5-16	350*350	9.5-16
200*250	4.75-16	400*400	7.5-16
200*400	7.5-16	300*500	7.5-16
200*300	4.75-16	-	-

Large-diameter and ultra-thick square and rectangular tubes

Steel Grade: Q235-Q690D/Z15、Z25、Z35 L245-X80

Length（mm）: 8000-13000

Square pipe production specifications: 350*350mm-1000*1000mm

Production specification of torques: 300*500mm-800*1200mm; （Maximum thickness）60mm

Specifications（mm）	Thickness（mm）	Specifications（mm）	Thickness（mm）
350*350	10-30	500*600	10-40
400*400	10-30	600*700	10-40
500*500	10-40	700*800	10-60
600*600	10-60	700*900	10-60
700*700	10-60	350*1200	10-60
800*800	10-60	800*1000	10-60
900*900	10-60	800*1100	10-60
1000*1000	10-60	800*1200	10-60
300*500	10-30	900*1000	10-60
300*600	10-30	900*1100	10-60
400*500	10-30	-	-