Galvanized Steel Square Tube Q235 / Bridge

Short Description:



Place of Origin:Tianjin, China
Standard:GB/T3091-2001,BS1387-1985,DIN EN10025,EN10219,JIS G3444:2004,ASTM A53 SCH40/80/STD,BS-EN10255-2004;
Surface:Pre-galvanized,Hot dip galvanized,Electro galvanized,Black,Painted,Threaded,Socket,Engraved;
Usage:Construction,Furniture,Water supply pipe, Gas pipe, Building pipe,Machinery,Coal mines,Chemicals,Electricity,Rrailway,Vehicles,Automotive industry,Highways,Bridges,Containers,Sports facilities,Agricultural,Machinery,Petroleum Machinery,Exploration machinery,Greenhouse construction;
Section Shape:Round
Outer Diameter:19 - 114.3 mm

Product Detail





Product Tags

Product details 

product name : Pre-galvanized square steel tube hollow section 
Surface treatment: galvanized 
Standards: GB/T6728-2002,ASTM A500 Gr.A.B.C. JIS G3466 BS1387-1985 
Steel Grade: Q195–Q345,S235JR,GR.B-D,STK 500
Delivery time : Within 15days after received deposit 
Port : Tianjin /Xingang 
Terms of payment : L/C,D/A,D/P,T/T 
Package : 1.packed in bundle ,suitable for sea transport (by container) 

Our factory : 

factory 1 14 657043816311010033

   Our workshop                                                                     Our team                                                                  Our factory 

Why choose us :

1.we applied for received 3 patents.(Groove pipe,Shoulder pipe,Victaulic pipe)
2.Our factory just 40kilometers from Xingang port,is biggest port in the morth of China.
3.Our manufacturing equipment incude 4 pre-galvanized products lines , 8ERW steel pipe product lines3 hot-dipped galvanized process lines .
product photos :
square tube 14 square tube 10 packing photos

  Diameter                                                                  thickness                                                          Packing photos 

Customer photos :

47 4

The first picture  is when we were at the Canton fair , we were talking about cooperative customers . 

    The second picture is the customer purchase from our factory. After the production of the goods is completed , the customer comes to our factory to inspect the goods . 

Product use:

围栏 桥梁1

         Used in the fence                                                                          Used in the bridge


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  • Our Advantages:

    Source Manufacturer: We directly manufacture galvanized steel pipes, ensuring competitive pricing and timely delivery.

    Proximity to Tianjin Port: Our factory’s strategic location near Tianjin Port facilitates efficient transportation and logistics, reducing lead times and costs for our customers.

    High-Quality Materials and Strict Quality Control: We prioritize quality by using premium materials and implementing rigorous quality control measures throughout the manufacturing process, guaranteeing the reliability and durability of our products.

    Payment Terms:

    Deposit and Balance: We offer flexible payment terms, requiring a 30% deposit upfront with the remaining 70% balance to be settled after receiving the Bill of Lading (BL) copy, providing financial flexibility to our customers.

    Irrevocable Letter of Credit (LC): For added security and assurance, we accept 100% at sight Irrevocable Letters of Credit, offering a convenient payment option for international transactions.

    Delivery Time:

    Our efficient production process enables us to fulfill orders promptly, with a delivery time of within 15-20 days after receiving the deposit, ensuring timely supply to meet project deadlines and requirements.


    Our products meet stringent quality standards and are certified by reputable organizations, including CE, ISO, API5L, SGS, U/L, and F/M, demonstrating compliance with international regulations and specifications, and ensuring customer confidence in product quality and performance.

    Galvanized rectangular tubes have a variety of applications due to their corrosion resistance, durability, and versatility. Here are some common uses:


    1. Construction and Building:

       - Used for structural support in buildings, including frames, columns, and beams.

       - Common in the construction of bridges, scaffolding, and handrails.


    2. Fencing and Gates:

       - Used to construct durable and rust-resistant fences, gates, and railings for residential, commercial, and industrial properties.


    3. Automotive Industry:

       - Used in the manufacturing of vehicle frames, chassis, and other structural components due to their strength and corrosion resistance.


    4. Furniture Manufacturing:

       - Utilized in the production of metal furniture such as tables, chairs, bed frames, and shelving units.


    5. Agricultural Applications:

       - Used in the construction of agricultural structures like greenhouses, barns, and irrigation systems.


    6. Signage and Advertising:

       - Employed in the construction of billboards, signposts, and other outdoor advertising structures.


    7. Mechanical and Electrical Installations:

       - Used as conduits for electrical wiring and as support structures for HVAC systems.


    8. Marine Applications:

       - Suitable for use in marine environments due to their resistance to saltwater corrosion, making them ideal for docks, piers, and other waterfront structures.


    9. Solar Panel Mounting Systems:

       - Used in the construction of frames and support structures for solar panels, providing durability and weather resistance.


    10. Storage Systems:

        - Commonly used in the creation of storage racks, warehouse shelving, and other organizational systems.


    These applications highlight the versatility and reliability of galvanized rectangular tubes in various industries, making them a popular choice for projects requiring strong, long-lasting materials.


    Head Office : 9-306 Wutong North Lane, North side of Shenghu Road, West District of Tuanbo New Town, Jinghai District,Tianjin ,China

    Welcome to visit our factory


    The official website of the company will send someone to reply to you on time. If you have any questions, you can ask



    The office phone is always open. You are welcome to call

    Q: Are you a manufacturer?
    A: Yes , we are a manufacturer, We have own factory, which is located in TIANJIN,CHINA. We have a leading power in producing and exporting steel pipe,galvanized steel pipe,hollow section,galvanized hollow section etc. We promise that we are what you are looking for.

    Q:Can we visit your factory ?
    A:Warmly welcome once we have your schedule we will pick you up .

    Q: Do you have quality control?
    A: Yes, we have gained BV, SGS authentication.

    Q: Can you arrange the shipment?
    A: Sure, we have permanent freight forwarder who can gain the best price from most ship company and offer professional service.

    Q: How long is your delivery time?
    A: Generally it is 7-14 days if the goods are in stock. or it is 20-25days if the goods are not in stock, it is according to

    Q:How can we get the offer?
    A:Please offer the specification of the product,such as material,size,shape,etc.So we can give the best offer.

    Q:Can we get the some samples?Any charges?
    A: Yes , we could offer the sample for free charge but do not pay the cost of freight . If you place the order after confirm the sample , we will refund your express freight or deducte it from the order amount .

    Q: How do you make our business long-term and good relationship ?
    A: 1.We keep good quality and competitive price to ensure our customers’ benefit.
    2.We respect every customer as our friend and we sincerrly do business and make friends with them, no matter where they come from.

    Q: What is your terms of payment ?
    A: 30% T/T deposit , 70% balance by T/T or L/C before shippment.