Hot-DIP Galvanized Square and Rectangular Steel Tube Pipe Structure Hollow Section of 30*30*2.0

• Customization: Available
• After-sales Service: Support
• Warranty: One Year
• Model NO.: Square and rectangular steel pipe
• 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: 30*30*2.0
• 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 galvanizing is a widely recognized method for protecting steel from corrosion, and when applied to square and rectangular tubes, it offers superior performance in a range of applications.Their manufacturing process, properties, applications, and benefits are as below.

Manufacturing Process

The manufacturing process of hot-dip galvanized square and rectangular tubes begins with the creation of the tube from steel coils. The coils are first formed into tubes by cold rolling or hot rolling processes and then cut to the desired length. The tubes are then cleaned to remove any impurities, which is crucial for a strong bond between the steel and the zinc coating.
Next, the tubes are submerged into a bath of molten zinc. The temperature of the zinc bath is critical, typically maintained between 450°C and 480°C. The immersion time and the temperature determine the thickness of the zinc coating. Once coated, the tubes are cooled and then passivated to prevent white rust formation.

Properties

Hot-dip galvanized square and rectangular tubes possess several desirable properties that make them suitable for various applications. These include:

• Corrosion Resistance: The zinc coating offers excellent protection against corrosion, making the tubes ideal for outdoor use and in environments where rusting is a concern.
• Durability: The zinc coating can last for decades without maintenance, depending on the thickness of the coating and the environment.
• Flexibility: These tubes can be bent, cut, and welded without compromising the integrity of the zinc coating.
• Aesthetic Appeal: The smooth, shiny finish of the zinc coating adds a visually appealing aspect to constructions and designs.

Applications

Hot-dip galvanized square and rectangular tubes are used in numerous applications due to their strength, durability, and resistance to corrosion. Some of the common applications include:

• Construction: They are used in the construction of buildings, bridges, and scaffolding.
• Automotive: Used for chassis, exhaust systems, and other structural components.
• Agriculture: Ideal for fencing, livestock handling, and irrigation systems.
• Fencing: Popular in residential and commercial fencing for its durability and low maintenance.
• Utility Poles: Used in the construction of transmission towers and utility poles, ensuring long-term performance.

Benefits

The benefits of using hot-dip galvanized square and rectangular tubes are numerous:

• Longevity: The zinc coating significantly extends the life of the steel, reducing the need for replacement.
• Cost-Effective: Although the initial cost is higher than untreated steel, the long-term savings in maintenance and replacement make it a cost-effective choice.
• Environmental Friendliness: Zinc is a recyclable material, contributing to sustainability efforts.
• Safety: The corrosion resistance ensures structural integrity over time, which is critical in safety-sensitive applications.

In conclusion, hot-dip galvanized square and rectangular tubes are an excellent choice for applications where corrosion resistance and durability are paramount. Their versatility in manufacturing and adaptability in various environments make them a preferred material in the construction and engineering industries.
 

Process Flow

Product Display

 

Company Profile

Development Events

Certifications

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.