Hot-DIP Galvanized Square and Rectangular Steel Tube Pipe Structure Hollow Section of 20*40*1.8

• Customization: Available
• After-sales Service: Support
• Warranty: One Year
• Model NO.: Square and rectangular steel pipe
• Type: Welded
• Technique: Hot Rolled
• Material: Carbon Steel
• Surface Treatment: Galvanized
• Usage: Pipeline Transport, Boiler Pipe, Hydraulic/Automobile Pipe, Oil/Gas Drilling, Machinery Industry, Chemical Industry, Mining, Construction & Decoration, Special Purpose
• Section Shape: Square and Rectangulatr
• Thickness: 0.5-60mm
• Length: 3-12m According to Client Requirement
• Od-Square: 10*10mm-1000*1000mm
• Od-Rectangular: 10*15mm-800*1100mm
• Od-Round: 10.3mm-609mm
• Technology: ERW, LSAW, SSAW, Seamless
• Delivery Time: 7-30 Days
• Materials: Gr.a/B/C, S235/275/355/420/460, A36, Ss400
• Standards: Hollow Section:ASTM A500/A501, En10219/10210
• Oiled or Non-Oiled: Non-Oiled
• Alloy or Not: Non-Alloy
• Processing Service: Welding, Punching, Cutting, Bending, Decoiling
• Certification: CE, LEED, BV, Phd&EPD, Bc1, En10210, En10219
• Specification: 20*40*1.8
• Trademark: Yuantai Derun
• Origin: Tianjin, China
• Production Capacity: 10million/Year

Product Description

 
Our Adavantage:
√ Quick reply within 24 hours.
√ Large Stock for regular sizes.
√ Free sample high quality.
√ 100% after-sales quality and quantity assurance.
 

Product Parameters

 

O.D mm	W.T mm	O.D mm	W.T mm	O.D mm	W.T mm	O.D mm	W.T mm
20*20	1.3	60*120 80*100 90*90	1.5	180*180	3.0	300*800 400*700 550*550 500*600
	1.4		1.7		3.5-3.75		9.5-9.75
	1.5		1.8		4.5-4.75		11.5-11.75
	1.7		2.0		5.5-7.75		12-13.75
	1.8		2.2		9.5-9.75		15-50
	2.0		2.5-4.0		11.5-11.75
20*30 25*25	1.3		4.25-4.75		12-25
	1.4		5.0-6.3	100*300 150*250 200*200	2.75	300*900 400*800 600*600 500*700
	1.5		7.5-8		3.0-4.0		9.5-9.75
	1.7	50*150 60*140 80*120 100*100	1.5		4.5-9.75		11.5-11.75
	1.8		1.7		11.5-11.75		12-13.75
	2.0		2.0		12.5-12.75		15-50
	2.2		2.2		13.5-13.75
	2.5-3.0		2.5-2.75		15.5-30
20*40 25*40 30*30 30*40	1.3		3.0-4.75	150*300 200*250	3.75	300*1000 400*900 500*800 600*700 650*650
	1.4		5.5-6.3		4.5-4.75
	1.5		7.5-7.75		5.5-6.3		9.5-9.75
	1.7		9.5-9.75		7.5-7.75		11.5-11.75
	1.8		11.5-16		9.5-9.75		12-13.75
	2.0	60*160 80*140 100*120	2.5		11.5-11.75		15-50
	2.2		2.75		13.5-30
	2.5-3.0		3.0-4.75	200*300 250*250	3.75	400*1000 500*900 600*800 700*700
	3.25-4.0		5.5-6.3		4.5-4.75
25*50 30*50 30*60 40*40 40*50 40*60 50*50	1.3		7.5-7.75		5.5-6.3		9.5-9.75
	1.4		9.5-16		7.5-7.75		11.5-11.75
	1.5	75*150	2.5		9.5-9.75		12-13.75
	1.7		2.75		11.5-11.75		15-50
	1.8		3.0-4.75		12-13.75
	2.0		4.5-4.75		15.5-30
	2.2		5.5-6.3	200*400 250*350 300*300	4.5-6.3	500*1000 600*900 700*800 750*750
	2.5-3.0		7.5-7.75		7.5-7.75		9.5-9.75
	3.25-4.0		9.5-16		9.5-9.75		11.5-11.75
	4.25-4.75	80*160 120*120	2.5		11.5-11.75		12-13.75
	5.0-5.75		2.75		12-13.75		15-50
	5.75-6.3		3.0-4.75		15.5-30
40*80 50*70 50*80 60*60	1.3		5.5-6.3	200*500 250*450 300*400 350*350	5.5-6.3	500*1100 600*1000 700*900 800*800
	1.5		7.5-7.75		7.5-7.75		11.5-11.75
	1.7		9.5-9.75		9.5-9.75		12-13.75
	1.8		11.5-20		11.5-11.75		15-50
	2.0	100*150	2.5		12-13.75
	2.2		2.75		15.5-30
	2.5-3.0		3.0-4.75	280*280	5.5-6.3	600*1100 700*1000 800*900 850*850
	3.25-4.0		5.5-6.3		7.5-7.75		9.5-9.75
	4.25-4.75		7.5-7.75		9.5-9.75		11.5-11.75
	5.0-6		9.5-9.75		11.5-11.75		12-13.75
40*100 60*80 70*70	1.3		11.5-20		12-13.75		15-50
	1.5	100*200 120*180 150*150	2.5		15.5-30
	1.7		2.75	350*400 300*450	7.5-7.75	700*1100 800*1000 900*900
	1.8		3.0-7.75		9.5-9.75		11.5-11.75
	2.0		9.5-9.75		11.5-11.75		12-13.75
	2.2		11.5-20		12-13.75		15-50
	2.5-3.0	100*250 150*200	3.0		15.5-30
	3.25-4.0		3.25-3.75	200*600 300*500 400*400	7.5-7.75	800*1100 900*1000 950*950
	4.25-4.75		4.25-7.75		9.5-9.75		11.5-11.75
	5.0-6.3		9.5-9.75		11.5-11.75		12-13.75
50*100 60*90 60*100 75*75 80*80	1.3		11.5-11.75		12-13.75		15-50
	1.5		12-25		15.5-40
	1.7	140*140	3.0-3.75	300*600 400*500 450*450	7.5-7.75	900*1100 1000*1000 800*1200
	1.8		4.5-6.3		9.5-9.75
	2.0		7.5-7.75		11.5-11.75		20-60
	2.2		9.5-9.75		12-13.75
	2.5-3.0		11.5-25		15.5-40
	3.25-4.0	160*160	3.0	400*600 500*500	9.5-9.75	1100*1000 1100*1100
	4.25-4.75		3.5-3.75		11.5-11.75		20-60
	5.0-5.75		4.25-7.75		12-13.75
	7.5-8		9.5-25		15.5-40

 

Product Details

Hot Dip Galvanized Square Steel Pipes
 

Hot dip galvanized square steel pipes are engineered to provide exceptional strength and corrosion resistance, making them a preferred choice in construction and industrial applications.

The hot dip galvanizing process involves three key steps: surface preparation, galvanizing, and inspection . First, the square steel pipes are cleaned to remove impurities such as grease, oil, and rust. This is followed by a treatment with a flux solution to prepare the surface for galvanizing . The pipes are then immersed into a bath of molten zinc at temperatures around 450°C to 460°C (850°F to 860°F). As the pipes are withdrawn from the bath, a layer of zinc alloy forms on the surface, creating a protective coating.

Hot dip galvanized square steel pipes are known for their high tensile strength, which can range from 195 MPa to 630 MPa depending on the grade of steel used . The coating provides a barrier against corrosion, and the sacrificial nature of zinc protects the underlying steel even if the coating is damaged . The pipes also exhibit good ductility and can be easily fabricated into various shapes and sizes.

These pipes find extensive use in construction for building frameworks,bridge, and infrastructure due to their structural stability and strength . They are also used in the manufacturing of automotive components, agricultural equipment, and in the creation of handrails and fencing systems . Additionally, hot dip galvanized square steel pipes are used in greenhouse construction and sports equipment due to their corrosion resistance and durability .

Corrosion Resistance: The zinc coating provides a barrier against corrosion, extending the lifespan of the pipes.
Strength: The high tensile strength of the pipes makes them suitable for heavy-duty applications.
Cost-Effective: Galvanized pipes require minimal maintenance, reducing lifecycle costs.
AestheticAppeal: The smooth, shiny surface of the zinc coating gives the pipes an attractive finish.

Hot dip galvanized square steel pipes offer a combination of strength, corrosion resistance, and durability, making them ideal for a wide range of applications. The hot dip galvanizing process ensures a high-quality, uniform coating that enhances the performance and longevity of the pipes. Whether used in construction, agriculture, or industrial applications, these pipes provide a reliable and cost-effective solution.

 

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FAQ

Q1: How can I get a quotation from you ?
A1:You can leave us message, and we will reply every message in time. Or we may talk on line by We Chat / Whats app/Email.

Q2:Can I get samples before order ?
A2:Yes, of course. Usually our samples are free. we can produce by your samples or technical drawings. But the customer will pay the freight.

Q3:What product information must I provide before making a purchase ?
A3:Please provide the grade,width,thickness,and surface treatment requirement,as well as the quantities you require.

Q4:What about product pricing information?
A4:Prices vary due to changes in raw materials on a regular basis.

Q5:Can I have a visit to your factory?
A5: Of course.Our factory located at No.1,Hengtong Road,Daqiuzhuang Industrial Zone,Tianjin,China.Customers that from all over the world are welcomed to our factory.

Q6:How long is your lead time?
A6:If it is in stock, it is usually 5-10 days. Or, if there is no inventory, 15 days, depending on the quantity.

Q7:What are your payment terms?
A7:Payment<=1000USD, 100% in advance. Payment>=1000USD 30% T/T in advance ,balance before shippment.If you have another question, please feel free to contact us as below.