Construction

Factory galvanized pipe galvanized rectangular hollow section square steel pipe

DETAILS AND PARAMETERS

TOLERANCES

TECHNICAL SHEET

Since 2007, our Tianjin-based company has supplied aesthetically pleasing Square and Rectangular Hollow Sections for furniture and architectural designs. Our tubes feature clean lines and consistent finishes, available in pre-galvanized or electro-galvanized options for seamless integration into retail displays, staircase railings, and decorative structures. We serve clients in the Middle East, Africa, South Asia, and beyond, offering high-quality products backed by pre-production samples and final inspections. With advanced equipment and a skilled team, we ensure competitive pricing, timely shipment, and services including FOB, CFR, CIF, EXW delivery and payment in USD/EUR via T/T, L/C, D/P, D/A, or Cash.

Tolerance:

Length	+/- 50 MM
Wall Thickness	+/- 12.5%
Weight	+/- 8%

Square Hollow Section
Size	Thickness	Size	Thickness	Size	Thickness
mm	mm	mm	mm	mm	mm
50 X 25	2.0	120 X 40	3.0	20 x 20	2.0
50 X 25	2.5	120 X 40	3.6	20 x 20	2.5
50 X 25	3.0	120 X 40	4.0	25 x 25	2.0
50 X 30	2.5	120 X 40	5.0	25 x 25	2.5
50 X 30	3.0	120 X 40	6.0	25 x 25	3.0
50 X 30	3.2	120 X 40	6.3	30 x 30	2.5
50 X 30	4.0	120 X 60	3.0	30 x 30	3.0
60 X 40	2.5	120 X 60	3.6	40 x 40	2.0
60 X 40	3.0	120 X 60	4.0	40 x 40	2.5
60 X 40	3.2	120 X 60	5.0	40 x 40	3.0
60 X 40	4.0	120 X 60	6.0	40 x 40	4.0
80 X 40	3.0	120 X 60	6.3	50 x 50	2.0
80 X 40	3.2	120 X 80	3.0	50 x 50	2.5
80 X 40	4.0	120 X 80	4.0	50 x 50	3.0
80 X 60	2.5	120 X 80	5.0	50 x 50	4.0
80 X 60	3.0	120 X 80	6.0	50 x 50	5.0
80 X 60	3.6	120 X 80	6.3	60 x 60	3.0
80 X 60	4.0	150 X100	3.0	60 x 60	4.0
80 X 60	5.0	150 X100	4.0	60 x 60	5.0
90 X 50	2.5	150 X100	5.0	70 x 70	3.0
90 X 50	3.0	150 X100	6.0	70 x 70	3.6
90 X 50	3.6	150 X100	6.3	70 x 70	5.0
90 X 50	4.0	160 X 80	3.0	80 x 80	3.0
90 X 50	5.0	160 X 80	4.0	80 x 80	3.6
100 X 40	3.0	160 X 80	5.0	80 x 80	5.0
100 X 40	3.6	160 X 80	6.0	80 x 80	6.0
100 X 40	4.0	160 X 80	6.3	90 x 90	3.0
100 X 40	5.0	200 X 100	4.0	90 x 90	3.6
100 X 50	3.0	200 X 100	5.0	90 x 90	5.0
100 X 50	3.6	200 X 100	6.0	90 x 90	6.0
100 X 50	4.0	200 X 100	6.3	100 x 100	4.0
100 X 50	5.0	200 X 100	8.0	100 x 100	5.0
100 X 50	6.0	200 X 100	10.0	100 x 100	6.0
100 X 50	6.3	200 X 100	12.5	100 x 100	8.0
100 X 60	3.0	200 X 100	16.0	100 x 100	10.0
100 X 60	3.6	250 X 150	6.3	120 x 120	5.0
100 X 60	4.0	250 X 150	8.0	120 x 120	6.0
100 X 60	5.0	250 X 150	10.0	120 x 120	8.0
100 X 60	6.0	250 X 150	12.5	120 x 120	10.0
100 X 60	6.3	250 X 150	16.0	150 x 150	5.0
100 X 80	3.0	300 X 200	6.3	150 x 150	6.0
100 X 80	3.6	300 X 200	8.0	150 x 150	8.0
100 X 80	4.0	300 X 200	10.0	150 x 150	10.0
100 X 80	5.0	300 X 200	12.5	180 x 180	6.0
100 X 80	6.0	300 X 200	16.0	180 x 180	8.0
100 X 80	6.3	400 X 200	10.0	180 x 180	10.0
		400 X 200	12.5	180 x 180	12.5
		400 X 200	16.0	200 x 200	6.0
		450 X 250	10.0	200 x 200	8.0
		450 X 250	12.5	200 x 200	10.0
		450 X 250	16.0	200 x 200	12.5
				250 x 250	8.0
				250 x 250	10.0
				250 x 250	12.5
				300 x 300	8.0
				300 x 300	10.0
				300 x 300	12.5

Steel Grade: Q195, Q215, Q235, Q345, S235JR, S275JR, SS4007

Data	Elements（%）
Materal Grade	C	Mn	S	P	Si
Q195	0.06-0.12	0.25-0.50	<0.05	<0.045	<0.30
Q215	0.09-0.15	0.25-0.55	<0.05	<0.045	<0.30
Q235	0.12-0.20	0.30-0.70	<0.045	<0.045	<0.30
Q345	<0.20	1.0-1.6	<0.04	<0.04	<0.55

Mechanical property

Materal Grade	Yield point (Mpa)	Tensile Strength (Mpa)	Elongation(%)
Q195	>195	315-430	32-33
Q215	>215	335-450	26-31
Q235	>235	375-500	24-26
Q345	>345	470-630	21-22

Comments (2)

Katherine A. Fogg

November 25, 2024

Their products are of excellent quality and they offer generous discounts. This is their third cooperation