Home page

Angle steel for shelves as a substitute for heavy - duty hot - dip galvanized rectangular tubes. Sizes: 40x20mm and 50x30mm. Thickness: 1.5 - 2.5mm.

Angle steel, characterized by its L-shaped cross-section, is engineered to distribute weight efficiently across two perpendicular planes, making it inherently stable for load-bearing tasks. This design advantage translates seamlessly to shelving systems, where the ability to support vertical and horizontal stresses is critical. Unlike rectangular tubes, which rely on a closed cross-section for rigidity, angle steel leverages its angular geometry to resist bending and torsion, even in thinner gauges. For instance, the 40x20mm and 50x30mm profiles strike a harmonious balance between width and height, ensuring that shelves can bear substantial loads—from industrial equipment to warehouse inventory—without compromising structural integrity.

Category：

Galvanized steel pipe

WhatsApp：

8613920018539

Send email to us

Angle steel for shelves as a substitute for heavy - duty hot - dip galvanized rectangular tubes. Sizes: 40x20mm and 50x30mm. Thickness: 1.5 - 2.5mm.

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