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China manufacturer of bundy tube

FOB Price: Get Latest Price
Min.Order Quantity: 2 Metric Ton/Metric Tons
Supply Ability: 60 Metric Ton/Metric Tons per Month
Port: Tianjin
Payment Terms: L/C,T/T,Western Union
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Quick Details

0.5 - 1.0 mm
Section Shape:
Outer Diameter:
4.17 - 16 mm
Place of Origin:
Shaanxi China (Mainland)
Secondary Or Not:
Oil Pipe
Cold Rolled
Surface Treatment:
Alloy Or Not:

Packaging & Delivery

Packaging Detail: as your requirement
Delivery Detail: within 30 days after confirming your order


1.High precision and corrosion resistance.
2.Perfect processability.
3.products are variety, many kinds of coated and size.


1. Basic Tubing


  • Shaanxi Yongrui Double-Wall steel tubing is the economical alternative to seamless tube. It has many of the same qualities as seamless tubing and is suitable for most high pressure applications.
  • This brazed Double Wall steel tubing is manufactured to YB/T4164.
  • Custom sizes may be manufactured at customer request. Double Wall steel tubing is available in coils or can be cut-to-length.






2. Corrosion Protection


Zinc Galvanized Tubing

Zinc galvanized double wall steel tube has better corrosion protection than non-galvanized double wall steel tube which is copper brazed. Appearances of following colors are available after passivation with different corrosion protection performances.


PVF Coated Tubing


PVF (Polyvinyl Fluoride) amour protects tubes from corrosion

For far longer time than zinc coated tubes.


3. Salt-mist Test Performance

4. Introduction of YB/T4164

YB/T4164 is published for double wall brazed steel tubes (Bundy Tubes) used for refrigeration, A/C, general automotive, hydraulic and other similar applications requiring tubing of suitable quality for bending, flaring, forming, and brazing.


The dimensions, mechanical properties, requirements for coating, salt mist and double-flare tests of YB/T4164 are similar to US standards. While the chemical composition, flattening, bending, pressure proof tests and inside cleanliness of YB/T4164 are lower than that of US standards.


Generally the specifications of YB/T4164 are stricter than ASTM A254 and SAE J527.

The latest revisions of these standards are: YB/T4164-2007, ASTM A254-12, and SAE J527-201306.

Note: Please refer to the newest updates of these specifications.


Discrepancies in Major Parameters


5. About Us

Please find our company introduction here.


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Shaanxi Yongrui Indus. Limited Company was founded in 2002, located at No. 3, Fengcheng Second Road, North Economic and Technological Development Zone of Xi'an, the world-famous ancient city. Our registered capital is 3,000,000 Yuan. We now have 80 staff members, including 20 technical management personnel with college or above degree. Our factory is located in Gucheng Village, Hengju Town, Baoji City, occupying a land of 3 acres with more than seven production lines. There are 28 sets of ... View detail

Basic Information

Product/Service (We Sell): Auto Parts,Galvanized Tube,Double Wall Steel Tubes,colored zinc pipes,white zinc pipes  
Number of Employees: 101 - 200 People  

Trade & Market

Main Markets: Eastern Europe
Eastern Asia
Mid East
North America
Domestic Market
Total Annual Sales Volume: US$1 Million - US$2.5 Million  
Export Percentage: 81% - 90%  

Factory Information

Factory Size (Sq.meters): 1,000-3,000 square meters  
Factory Location: Gucheng Village, Hengqu Town,Meixian County, Baoji  
Number of Production Lines: 2  
Number of R&D Staff: 5 - 10 People  
Number of QC Staff: 5 - 10 People  
Contract Manufacturing: OEM Service Offered   Design Service Offered   Buyer Label Offered  

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China (Mainland) | Manufacturer, Trading Company | Contact Details
Experience: Established 2002

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Mr. Vilhelm  Bey
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