Pre Galvanized Square Steel Hollow Section

Pre galvanized square steel pipe is an important member of the galvanized steel pipe family. It is a square or rectangular steel pipe cut from the galvanized strip by high-frequency welding, roll forming and cutting. The advantages of pre galvanized square and rectangular pipe are low price, simple and fast production process, environmental protection, easy maintenance, excellent performance, etc.

Specification table of pre galvanized rectangular pipe

Pre galvanized square steel pipe Specifications
Square tube(mm)		Rectangular pipe		Round steel pipe
Outer diameter (mm)	Thickness (mm)	Outer diameter (mm)	Thickness (mm)	Outer diameter (mm)	Thickness (mm)	DN	Size (inch)
20*20	0.8-2.0	20*40	0.8-2.0	20	0.8-2.2	DN15	0.5
25*25	0.8-2.0	25*50	0.8-2.0	25	0.8-2.2	DN20	0.75
30*30	0.8-2.0	30*40	0.8-2.0	25.4	0.8-2.2
32*32	0.8-2.0	30*50	0.8-2.0	32	0.8-2.2	DN25	1
35*35	0.8-2.0	37*57	0.8-2.0	38	1.0-2.2
38*38	0.8-2.0	40*60	0.8-2.0	40	1.0-2.2	DN32	1.25
40*40	0.8-2.0	37*77	0.8-2.0	42	1.0-2.3
50*50	0.8-2.2	25*75	0.9-2.0	47	1.0-2.3	DN40	1.5
60*60	1.0-2.2	40*80	1.0-2.2	48	1.0-2.3
75*75	1.0-2.2	50*100	1.0-2.2	59	1.0-2.3	DN50	2
80*80	1.0-2.2	50*75	1.0-2.2	60.3	1.0-2.3
100*100	1.2-2.2	38*75	1.0-2.2	75	1.0-2.3	DN65	2.5
		50*150	1.3-2.2	87	1.0-2.5	DN80	3
Whether it is square tube or round tube, the length supports customization。				112	1.0-2.5	DN100	4
				22	0.8-2.2	Rare size
				33.4	0.8-2.2

Production detail

Capacity equipment display

Certificate honor display

Engineering case

Yuantai Derun's steel pipe products have been supplied to major projects at home and abroad for many times, accumulating valuable project experience

Quality Control

The R&D and quality control of Yuantai Derun is the first in China's rectangular tube industry.