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Youfa hot-dip galvanized square and rectangular tubes 16Mn Gr.B,X42,

Youfa hot-dip galvanized square and rectangular tubes stand as a pinnacle of engineering excellence, specifically designed to meet the rigorous demands of pipe gallery support systems. With their thickened zinc coating, exceptional salt spray resistance, and superior corrosion resistance, these tubes have become the go-to choice for professionals seeking reliable, long-lasting structural solutions. Complemented by a complete in-stock inventory, they offer unparalleled convenience and efficiency for projects of all scales, ensuring that critical infrastructure components are readily available when needed most.

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Galvanized steel pipe

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Youfa hot-dip galvanized square and rectangular tubes 16Mn Gr.B,X42,

Product	galvanized square tube
Material	16Mn,Q345B,T1,T2,T5,T9,T11,T12,T22,T91,T92,P1,P2,P5,P9,P11,P12,P22,P91,P92,15CrMO,Cr5Mo,10CrMo910,12CrMo,13CrMo44,30CrMo,A333 GR.1,GR.3,GR.6,GR.7
	Gr.B,X42,X46,X52,X60,X65,X70,X80,
	ASTM A53A/A53B/ A178C/A106B API5L
	ST37,ST37-2,DIN 1629 ST35, ST45,DIN 17175 ST35.8,DIN 17175 19Mn5
Grade	Q195 = S195 / A53 Grade A
	Q235 = S235 / A53 Grade B / A500 Grade A / STK400 / SS400 / ST42.2
	Q345 = S355JR / A500 Grade B Grade C
	Q235, Q345, S235JR, S275JR, STK400, STK500, S355JR, GR.B-D
Standard	EN39, BS1139, BS1387, EN10255,ASTM A53, ASTM A500, A36, ASTM A795,ISO65, ANSI C80, DIN2440, JIS G3444,
Inspection	ISO,BV,SGS,MTC
MOQ	100/ton-1000ton According to customer requirements
Surface	Zinc coating 200-500g/m2 (30-70um)
Ends	Plain ends
Ends	with or without caps
payment method	L/C D/P D/A TT

1. 100% after-sales quality and quantity assurance. 22 years experience in manufacturing and exporting steel products since 2000.

2. Large Stock for regular sizes. 16 Consecutive Years of The First Production and Sales-- Over 1300,0000 Tons sales and production

3. Strong produce capability and capital flow.

4. Listed company in Shanghai Exchange Stock

5. Top 500 manufacturing of China

6. National 3A grade industrial park tourist attractions - Green and environment-friendly factory

Square And Rectangular Steel Pipe Application:

Construction / building materials steel pipe
Structure pipe
Fence post steel pipe
Solar mounting components
Handrail pipe

Square And Rectangular Steel Pipe Size Chart :

SIZE (OUTER DIAMETER)	WALL THICKNESS	LENGTH
20x20 / 25x25	1.2MM --2.75MM	6M IN STOCK (OR CUSTOMIZED 2-6.5m)
30x30 / 20x40 / 30x40 / 25x40	1.2MM -- 3.5MM	6M IN STOCK (OR CUSTOMIZED 2-6.5m)
40x40 / 50x50/30x50 / 25x50 / 30x60 / 40x60	1.2MM -- 4.75 MM	6M IN STOCK (OR CUSTOMIZED 2-6.5m)
60x60 / 50x70 / 40x80 / 40x50	1.2 MM -- 5.75 MM	6M IN STOCK (OR CUSTOMIZED 2-6.5m)
70x70 / 60x80 / 50x80 / 100x40 / 50x90	1.5MM -- 5.75 MM	6M IN STOCK (OR CUSTOMIZED 2-8m)
75x75 / 80x80 / 90x90 / 60x100 / 50x100 / 120x60 / 100x80 / 60x90	1.5MM -- 7.75 MM	6M IN STOCK (OR CUSTOMIZED 2-8m)
100x100 / 120x80	1.8MM -- 7.75 MM	6M IN STOCK (OR CUSTOMIZED 2-12m)
120x120 / 130x130 / 180x80 / 160x80 / 100x150 / 140x80 / 140x60	2.5MM -- 10.0 MM	6M IN STOCK (OR CUSTOMIZED 2-12m)
140x140 / 150x150 / 100x180 / 200x100	2.5MM -- 10.0 MM	6M IN STOCK (OR CUSTOMIZED 2-12m)
160x160 / 180x180 / 200x150	3.5MM -- 11.0 MM	6M IN STOCK (OR CUSTOMIZED 2-12m)
200x200 / 250x150 / 100x250	3.5MM -- 11.0 MM	6M IN STOCK (OR CUSTOMIZED 2-12m)
250x250 / 250x200 / 300x150 / 300x200	4.5MM -- 15.0 MM	6M IN STOCK (OR CUSTOMIZED 2-12m)
300x300 / 350x200 / 350x250 /300x150	4.5MM -- 15.0 MM	6M IN STOCK (OR CUSTOMIZED 2-12m)
350x350 / 350x300 / 450x250 / 400x300 / 500x200	4.5MM -- 15.75 MM	6M IN STOCK (OR CUSTOMIZED 2-12m)
400x400 / 280x280 / 400x350 / 400x250 / 500x250 / 500x300	4.5MM -- 15.75 MM	6M IN STOCK (OR CUSTOMIZED 2-12m)

Strict Quality Control:
1) During and after production, 4 QC staffs with more than 5 years experience inspect products in random.
2) National accredited laboratory with CNAS certificates
3) Acceptable inspection from third party appointed/paid by buyer, such as SGS, BV.
4) Approved by Malaysia, Indonesia, Singapore, Philippines, Australia, Peru and UK. We own UL /FM, ISO9001/18001, FPC certificates

Galvanized steel pipe