ASTM A252 submerged arc welding spiral steel pipeline

$350.00 - $450.00
Min. Order
20 Metric Tons
Company Information

Tianjin Youfa Dezhong Steel Pipe Co., Ltd. (YOUFA)

CN Manufacturer, Trading Company
Response Time
Response Rate:
US$ 20,000+
4 Years Paid Supplier Supplier Trade Assurance
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Quick Details

Payment Terms: L/C,T/T
Supply Ability: 1000000 Metric Ton/Metric Tons per Month carbon steel pipe
Standard2: API 5L,ASTM A53-2007,ASTM A53M-2007,BS 1387,DIN EN 10025,GB/T 3091-2001
Grade Group: A53-A369,Q195-Q345
Grade: A53(A,B),Q195,Q215,Q235,Q345
Thickness: 6.7 - 20 mm
Section Shape: Round
Outer Diameter(Round): 219 - 2020 mm
Place of Origin: Tianjin China
Application: Fluid Pipe
Technique: SAW
Certification: API
Surface Treatment: Galvanized
Special Pipe: API Pipe
Alloy Or Not: Non-alloy
Secondary Or Not: Non-secondary
Delivery Detail: 3 days for sample;30 days for production
Packaging Detail: in bulk
High Quality  Api 5l big-diameter submerged arc welded spiral pipe
Product Description



Products NameSpiral steel pipe 
FeaturePiles, constriction field for structure
Colorblack steel pipe
DesignOEM & ODM
CertificationCE,ISO 9001:2008 certification 
Free SampleYes
Test item

1 Tensile test

2 Bend test

3 Flattening test

4 Leak tightness test

5 Dimensional inspection

6 Visual examination

Chemical requirmentsCarbon,max: 0.20%




 Tensile requirment 

Tensile strength,min 320-520 MPa

Yield strength,min 195 MPa

Elongaton in 50mm,20%

Function Description1.competitive price
2.high quality timely
4.package according to client's requirement
MOQ5 tons
payment termsLC OR TT
Packaging detailsas required package





Why choose us


Hot sale



Company Information
Tianjin youfa steel pipe group co.,ltd was found on July 1st, 2000,with the headquarters located at the largest welded pipe production base in China -Daqiuzhuang village,Tianjin city,which is the largest -scale steel pipe manufacturing enterprise producing many kinds of pipes products ,such as ERW steel pipe ,hot-dipped galvanized steel pipe ,square and rectangular steel pipe,spiral steel pipe and steel-plastic complex steel pipe.Now owning two brand “Youfa ’and “Zhengjinyuan”,total 152 production lines with 9 sub-companies ,more than 10000 employees and have two national accredited laboratory.Products are exported to more than 100 countires,such as North America ,South America ,Europe, Africa,Southeast Aisa,Middle East .

Youfa steel pipe used for water conservancy project, fire protection engineering, gas engineering,At the same time has led the drafting of the 7 countries standard, but also has a number of technical invention patents.

In the future, hand in hand, go ahead, for the steel pipe into a respected enterprises and make unremitting efforts to happiness!
Exhibition Display



1.Q:Are you a factory or trading company?

A:We are a factory.we also have cooperated factory doing other steel business.


2.Q:Where is your factory located? How can I visit there?

A:Our factory is located in Tianjin City, China, about 30 minutes from beijing by train.All our clients from home or abroad are warmly welcome to visit us!


3.Q:Can I get some samples?

A: Yes,we are honored to offer you samples.


4.Q:How does your factory do regarding quality control?

A:"Quality is priority. Our factory has gained BV, SGS authentication. We guarantee the goods out from our factory 100% qualified.And Each Process, we have very strict operation and arrange 2 techinians to inspect. After the products are finished, we will make the last test to pick up the unqualified products


5.Q: How long does your warranty?

we can assured the quality within 90 days after your receiving the cargoes.


6. Q: What is your MOQ?

 as long as hold one container ,we can accpet the order.


7. What is your payment ? 

if the quantity more than 100 tons , 100% l/c at sight can be accpeted. Less than 100 tons ,30% t/t in advance ,70% balance agianst with B/L copy.