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TIANJIN YUANTAI DERUN STEEL PIPE MANUFACTURING GROUP CO., LTD.

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Square hollow steel pipe welded galvanized pipe supply

group name: square steel pipe

Min Order: 5 ton

brand name: Yuantai Derun Steel Pipe Manufacturing Group

model: square galvanized steel tube

Nearest port for product export: XINGANG PORT TIANJIN CHINA, TANGSHAN CHINA, SHANGHAI CHINA, DALIAN PORT

Delivery clauses under the trade mode: FOB, CFR, CIF, EXW

Acceptable payment methods: T/T, L/C, Cash

update time: Sun, 19 Oct 2025 16:33:23 GMT

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Paramtents

Product Name Galvanized Steel Pipe Tube
Material Dx51D, Dx52D, Dx53D, DX54D, S220GD, S250GD, S280GD
WhatsApp +86 18222029592
E-mail yuantai@ytdrgg.com

Packging & Delivery

Min Order5 ton

Briefing

ISO-Certified Galvanized Steel Pipe Supplier | Custom Sizes, Max Corrosion Resistance.Choose reliability. Timely Delivery.

Detailed

Square hollow steel pipe welded galvanized pipe supply

Product Name	oem galvanized steel tube
Standard	JIS 3302 / ASTM A653 /EN10143 AISI , ASTM , DIN , GB , JIS G3302 G3312 G3321 , BS
Zinc coated	30g-275g/m2
Type of Coating	Hot Dipped Galvanized Steel
Size	Customized
Surface Treatment	HDG / Pre-Galvanized / Black / Painted
Technique	Hot Rolled / Cold Rolled
Product Application	1. Fence, greenhouse, door pipe,greenhouse 2. Low pressure liquid, water, gas, oil, line pipe 3. For both indoor and outdoor the building construction 4. Widely used in scaffolding construction which is much cheaper and convenient
Origin	China
Delivery Time	Usually within 10-45 days after receipt of advance payment

High-quality galvanized square tubes feature a uniform zinc coating, strong rust resistance, and excellent pressure and corrosion resistance, making them suitable for building structures, fencing, mounting systems, and more. We offer a wide range of sizes, support customization, and ship nationwide. Our quality is guaranteed and trusted!

Packaging And Shipping

Packaging And Shipping

Unless there is a special explanation, we provide each of our customers with comprehensive consideration before product transportation. Firstly, in order to reduce oxidation, we will oil or paint the steel pipe products. Secondly, whether it is packaged or bulk cargo customers, we will wrap the products to prevent damage in the middle. Thirdly, we use our own fleet for transportation, And track and inspect the goods in the whole process to ensure that the products arrive at the designated port accurately. Fourth, we provide each customer with a customer specialist to deal with pre-sales, in-sales and after-sales problems

Over view of Yuantai Derun steel pipe group

Universal structural steel pipe service provider

8 factories, 103 production lines, 80 patented technologies, China's top 500 private enterprises and China's top 500 manufacturing industries, with an annual output of 5 million tons and a perennial spot supply of 200000 tons. China's largest square tube manufacturer.

Yuantai Derun's main products include square steel pipe, rectangular steel pipe, Galvanized Square Metal Tubes, ERW steel pipe, large-diameter thick wall square rectangular pipe, LSAW steel pipe, spiral steel pipe, ZAM steel pipes,seamless steel pipe, stainless steel pipe, galvanized coil, PPGI coils and ZAM steel coil.

Sizes and Dimensions of Square Metal Tubes

Square metal tubes come in a wide range of sizes and dimensions, allowing for customized solutions. Common sizes include 1x1, 2x2, 3x3, and 4x4 square tubes. The size and wall thickness of the tube determine its strength and load-bearing capacity. It is essential to select the appropriate size based on the specific requirements of the project

If the steel pipe specifications you require are not included in this table, don't worry. Please call our customer manager immediately, and we can also provide customized services for special steel pipes.

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	60120 80100 90*90	1.50	180*180	3	300800 400700 550550 500600
	1.4		1.70		3.5-3.75		9.5-9.75
	1.5		1.80		4.5-4.75		11.5-11.75
	1.7		2.00		5.5-7.75		12-13.75
	1.8		2.20		9.5-9.75		15-50
	2.0		2.5-4.0		11.5-11.75
2030 2525	1.3		4.25-4.75		12.0-25.0
	1.4		5.0-6.3	100300 150250 200*200	2.75	300900 400800 600600 500700
	1.5		7.5-8		3.0-4.0		9.5-9.75
	1.7	50150 60140 80120 100100	1.50		4.5-9.75		11.5-11.75
	1.8		1.70		11.5-11.75		12-13.75
	2.0		2.00		12.5-12.75		15-50
	2.2		2.20		13.5-13.75
	2.5-3.0		2.5-2.75		15.5-30
2040 2540 3030 3040	1.3		3.0-4.75	150300 200250	3.75	3001000 400900 500800 600700 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	60160 80140 100*120	2.50		11.5-11.75		15-50
	2.2		2.75		13.5-30
	2.5-3.0		3.0-4.75	200300 250250	3.75	4001000 500900 600800 700700
	3.25-4.0		5.5-6.3		4.5-4.75
2550 3050 3060 4040 4050 4060 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	2.50		9.5-9.75		12-13.75
	1.7		2.75		11.5-11.75		15-50
	1.8		3.0-3.75		12-13.75
	2.0		4.5-4.75		15.5-30
	2.2		5.5-6.3	200400 250350 300*300	4.5-6.3	5001000 600900 700800 750750
	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	80160 120120	2.50		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
4080 5070 5080 6060	1.3		5.5-6.3	200500 250450 300400 350350	5.5-6.3	5001100 600900 700800 800800
	1.5		7.5-7.75		7.5-7.75		9.5-9.75
	1.7		9.5-9.75		9.5-9.75		11.5-11.75
	1.8		11.5-20		11.5-11.75		12-13.75
	2.0	100*150	2.50		12-13.75		15-50
	2.2		2.75		15.5-30
	2.5-3.0		3.0-4.75	280*280	5.5-6.3	6001100 7001000 800900 850850
	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
	5.0-6.0		9.5-9.75		11.5-11.75		12-13.75
40100 6080 70*70	1.3		11.5-20		12-13.75		15-50
	1.5	100200 120180 150*150	2.50		15.5-30
	1.7		2.75	350400 300450	7.5-7.75	7001100 8001000 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	100250 150200	3.00		15.5-30
	3.25-4.0		3.25-3.75	200600 300500 400*400	7.5-7.75	8001100 9001000 950*950
	4.25-4.75		4.25-4.75		9.5-9.75		11.5-11.75
	5.0-6.3		9.5-9.75		11.5-11.75		12-13.75
50100 6090 60100 7575 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	300600 400500 450*450	7.5-7.75	9001100 10001000 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	3.00	400600 500500	9.5-9.75	11001000 12001200
	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

Factors to Consider When Choosing Square Metal Tubes

Several factors should be considered when selecting square metal tubes. These include the material, size, wall thickness, and required load-bearing capacity. It is crucial to assess the specific project requirements and consult with experts to ensure the right choice is made. Factors such as cost, availability, and aesthetics may also influence the decision-making process.

CERTIFICATE

Tips for Proper Installation of Square Metal Tubes

Proper installation of square metal tubes is essential to ensure structural integrity and longevity. Here are some tips to consider:

1. Prepare the installation area by clearing debris and ensuring a level surface.

2. Use appropriate fasteners and connectors for secure connections.

3. Consider using protective coatings or finishes to prevent corrosion.

4. Follow manufacturer guidelines and recommended installation techniques.

5. Seek professional assistance if needed, especially for complex projects.

Applications and Uses of Square Metal Tubes

Square metal tubes find applications in various industries and projects. They are commonly used in construction for framing, support structures, and handrails. Square tubes are also used in the automotive industry for roll cages and chassis components. Additionally, they are utilized in furniture manufacturing, shelving systems, and machinery frames. The versatility of square metal tubes makes them suitable for both decorative and functional purposes.

AIRPORT VENUES

Black high-frequency welded pipes are indispensable in airport venue buildings，Black high-frequency welded pipes are indispensable in the airport venue buildings. This is our cooperation project Beijing Daxing International Airport

EXPO VENUES

2020 Dubai World Expo venue，The 2020 Dubai World Expo venue is one of the projects we participate in

BRIDGE CONSTRUCTION

Hong Kong-Zhuhai-Macao Bridge，Our products are involved in the construction of bridges. It is a bridge and tunnel project connecting Hong Kong, Zhuhai, Guangdong and Macao in China.

BUILDING CONSTRUCTION

SINGAPORE GOOGLE BUILDING，From 2018 to 2019, we provided steel pipes with hollow section profiles for the construction of Google building in Singapore

GREENHOUSE CONSTRUCTION

From 2017 to 2018, we provided 75000 tons of steel pipe products for the green house of the million feidan land improvement project in Egypt.

CBD business district building

From 2019 to 2020, we provided our steel pipe products for the building development of CBD business district buildings in Cairo, Egypt

THEATER CONSTRUCTION

Located in the west of Tiananmen Square in central Beijing, the National Grand Theatre is the largest theater complex in Asia.

High grade villa building

In 2018, we provided steel pipe products for Dubai Hill high-end villa construction project

Why choose YuantaiDerun?

1. 100% after-sales quality and quantity assurance.
2. Professional sales manager quickly reply within 24 hours.
3. Large Stock for regular sizes.
4. Free sample 20cm high quality.
5. Strong produce capability and capital flow.
6. Small order accepted.
7. Brand name raw material
8. Support OEM or ODM
9. 22 years Manufacturing experience
10. It can manufacture steel pipes of different projects and standards in the world
11.Yuantai has a standing stock of more than 200000 tons, and the annual shipment specification is: 20*20*1.0—1000*1000*50mm，20*30*1.0—800*1200*50mm，Φ 219— Φ 3620mm，The black, hot-dip galvanized rectangular pipe and spiral welded pipe made of q195-q460 have an existing capacity of nearly 5 million tons.After the completion of the new base in Tangshan, the total production capacity will reach 10 million tons.

Customer Feedback

FAQs

1. Who are we?

We are based in Tianjin, China, starting from 2002, selling to the Middle East(40.00%), Southeast Asia(30.00%), and South America (20.00%). There are a total of about 2000 people in our office.

2. How to get a quotation from your company?

You can submit project details through the online quotation form on our official website, or contact our sales team directly for detailed quotation information.

3. how can we guarantee quality?

Always a pre-production sample before mass production; Always final Inspection before shipment;

4. Why should you buy from us instead of other suppliers?

We have an experienced staff and technical team with years of experience in project site inspections and communication, specializing in providing customers with comprehensive steel pipe consulting and solution recommendations.

5. What services do we provide?

Delivery Terms: FOB, CFR, CIF, EXW, DDU

Payment Currencies: USD, HKD, RMB

Payment Methods: T/T, L/C, MoneyGram, PayPal, Western Union

Languages: English, Chinese