Square Mild Steel Hollow Sections

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Product Description

Steel hollow section can be mainly divided into round hollow section, rectangular hollow section and square hollow section.
Rectangular and square carbon steel tube are widely used in various fields such as construction or building, low pressure liquid delivery, engineering, fencing,greenhouse etc.
Surface of steel tube generally are black or galvanized, galvanized Steel tube has good features of corrosion resistance, anti-rust, acid resistance, which largely extend its service life.

1. Size of rectangular and square hollw section

size mm	thicknes mm	size mm	thickness mm
19*19	0.6-1.5	50*20	0.6-1.5
20*20	0.6-1.5	50*30	1.0-3.0
25*25	0.8-2.75	60*40	1.0-3.5
30*30	1.0-2.75	75*50	1.5-4.0
32*32	1.0-3.0	80*40	1.5-4.0
38*38	1.0-3.0	100*50	1.5-6.0
40*40	1.0-3.5	100*60	1.5-6.0
50*50	1.0-5.0	100*75	1.5-6.0
60*60	1.0-6.0	120*60	2.0-6.0
70*70	1.5-6.0	120*80	2.0-6.0
75*75	1.5-6.0	125*50	3.0-6.0
80*80	1.5-6.0	125*75	3.0-6.0
90*90	2.0-6.0	150*50	3.0-6.0
100*100	2.3-6.0	150*75	3.0-6.0
120*120	2.5-6.0	150*100	3.0-12
125*125	2.5-6.0	160*80	4.0-6.0
150*150	3.0-8.0	200*100	4.0-12
200*200	4.0-12	200*150	4.0-12
250*250	5.0-12	250*150	5.0-12
300*300	6.0-12	300*200	5.0-12
400*400	6.0-12	400*200	5.0-12