Groove pipe fire pipe ductile iron grooved pipe fittings

Short Description:



Place of Origin:Tianjin, China

Application:fire Pipe

Section Shape:Round

Outer Diameter:21 - 508 mm

Thickness:1 - 20 mm

Standard:ASTM, bs, DIN, GB, API, API 5CT, API 5L, ASTM A53-2007, BS 1387, DIN EN 10025, GB/T 3091-2001
Surface Treatment:painted/powder coating

Grade:10#-45#, 10#, 20#, 45#, 16mn, 16mn, A53-A369, A53(A,B), Q195-Q345, Q235, Q345, Q195, Q215, ST35-ST52, ST37, ST52, ST42

Product Detail


Product application



Product Tags


Product Name
galvanized groove pipe red for fire pipe 
Out Diameter

Such as 38.1mm, 42.3mm, 48.3mm, 48.6mm or as customer request.
Electronic Resistance Welded (ERW), groove pipe 
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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  • Fire Pipe Introduction: Utilizing Cutting-Edge Technology to Enhance Fire Safety

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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.


    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