Product Details

Product Description

China factory wholesale custom Big diameter LSAW/ERW welded steel tube

Products Name	Spiral steel pipe
Material	Q195,Q215,Q235,Q345,S235JR,S355J0
Feature	Piles, constriction field for structure
Color	black steel pipe
Certification	CE,ISO 9001:2008 certification
Test item	1 Tensile test 2 Bend test 3 Flattening test 4 Leak tightness test 5 Dimensional inspection 6 Visual examination
Chemical requirments	Carbon,max: 0.20% Manganese,max:1.40% Phosphorus,max:0.035% Sulfur,max:0.035%
Tensile requirment	Tensile strength,min 320-520 MPa Yield strength,min 195 MPa Elongaton in 50mm,20%

Application

Why Choose Us?

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

Packaging & Shipping

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.

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