Galvanized Steel Pipe Manufacture

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 Name

1.5 inch galvanized steel scaffolding pipe  / building pipe

Out Diameter

Pre galvanized:1 1/2''(48.3mm/48.6mm)


Hot dipped galvanized:1 1/2''(48.3mm/48.6mm)


Pre galvanized:0.6-2.5mm.


Hot dipped galvanized: 0.8- 25mm.

Zinc coating

Pre galvanized:5μm-25μm


Hot dipped galvanized:35μm-200μm


Electronic Resistance Welded (ERW)

Steel Grade

Q235, Q345, S235JR, S275JR, STK400, STK500, S355JR, GR.B-D


BS1139-1775, EN1039, EN10219, JIS G3444:2004, GB/T3091-2001, BS1387-1985, DIN EN10025, ASTM A53 SCH40/80/STD, BS-EN10255-2004

Surface Finish

Pre-galvanized, Hot dipped galvanized, Electro galvanized, Black, Painted, Threaded, Engraved, Socket.

International Standard



1.Big OD:in bulk 

2.Small OD:packed by steel strips 

3.woven cloth with 7 slats 

4.according to the requirements of customers

Main Market

Middle East,Africa, Asia and some Uropean country and South America, Australia

Country of origin



5000Tons per month.


1. Payment terms : T/T ,L/C 

2. Terms of trade : FOB ,CFR,CIF ,DDP,EXW 

3. Minimum order : 2 tons 

4. Delivery time : Within 25 days.



● The steel supplied by our company is enclosed with the original material book of the steel factory.
● Customers can choose any length or other requirements they want.
● Ordering or purchasing all kind of steel products or special specifications.
● Adjust the temporary lack of specifications in this library, saving you from the trouble of rushing to purchase.
● Transport services, can be delivered directly to your designated place.
● The materials sold, we are responsible for the overall quality tracking, for you to eliminate worries.



● Waterproof plastic bag then bundle with strip, On the all. 

● Waterproof plastic bag then bundle with strip, On the end.

● 20ft container: not more than 28mt. and the lenath is not more than 5.8m. 

● 40ft container: not more than 28mt. and the length is not more than 11.8m.



● All the pipes is high-frequency welded.

● Both inner and outer welded stab can be removed. 

● Special design available according to requirement. 

● Pipe can be necked down and punched holes and so on. 

● Supplying BV or SGS Inspection if client need.



Tianjin Minjie steel Co.,Ltd was established in 1998. Our factory more than 70000 square meters, just 40 kilometers from XinGang port, which is the biggest port in the north of China . We are a professional manufacturer and exporter for steel products.The main products are pre galvanized steel pipe, hot dip galvanized pipe, welded steel pipe ,square&rectangular tube and scaffolding products.We applied for and received 3 patents.They are groove pipe ,shoulder pipe and victaulic pipe. Our manufacturing equipment include 4 pre-galvanized product lines, 8ERW steel pipe product lines,3 hot-dipped galvanized process lines.According to standard of GB ,ASTM ,DIN ,JIS.The products are under the ISO9001 quality certification.


Annual output of various pipe is more than 300 thousands tons.We had obtained the honor certificates issued by the Tianjin municipal government and Tianjin quality supervising bureau yearly. Our products are widely applied to machinery,steel construction,agricultural vehicle and greenhouse,auto industries,railway,highway fence,container inner structure,furniture and steel fabric. Our company owns the firs class professional technique adviser in China and the excellent staffs with professional technology.The products had been sold to all over the world. We believe that our high quality products and services will be your best choice.Hope get your trust and support.Looking forward to the long term and good cooperation with you sincerely.


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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 steel pipes find diverse applications across various industries and sectors:

    Construction/Building: Galvanized steel pipes are extensively used in construction for structural applications such as columns, beams, and framework due to their durability and strength.

    Material Steel Pipe: In manufacturing processes, galvanized steel pipes serve as raw material for fabricating various components and structures, contributing to the production of a wide range of products.

    Scaffolding Pipe: Galvanized steel pipes are commonly used as scaffolding poles and frames in construction sites due to their robustness and resistance to corrosion, providing a safe and stable support structure for workers.

    Fence Post Steel Pipe: Galvanized steel pipes are ideal for fence posts in residential, commercial, and agricultural settings, offering a sturdy and long-lasting solution for perimeter fencing.

    Fire Protection Steel Pipe: Galvanized steel pipes are utilized in fire protection systems for their ability to withstand high temperatures and corrosion, ensuring reliable performance in critical applications. 

    Greenhouse Steel Pipe: Galvanized steel pipes are crucial components in greenhouse construction, providing structural support for the framework and facilitating the distribution of water, nutrients, and heating systems.

    Low Pressure Liquid, Water, Gas, Oil, Line Pipe: Galvanized steel pipes are widely employed for transporting liquids and gases in low-pressure applications, including water supply networks, gas distribution lines, and oil pipelines.

    Irrigation Pipe: Galvanized steel pipes play a vital role in irrigation systems for delivering water to crops efficiently, ensuring optimal growth and productivity in agricultural fields.

    Handrail Pipe: Galvanized steel pipes are commonly used for handrails in various settings such as staircases, walkways, and balconies, providing stability, safety, and durability.

    In summary, the versatility, durability, and corrosion resistance of galvanized steel pipes make them indispensable across a broad spectrum of applications, ranging from construction and manufacturing to agriculture and infrastructure development.


    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.