PVF coated bundy steel tube

PVF coated bundy steel tube

The bundy steel tube has fine inside cleanness, high strength, nice elongation, good foundation for late process , anti leakage, anti high pressure explosion, excellent anti corrosion power after surface treatment. It is an ideal material for tubes of  automotive industry.
The tube can be provided in coils or cut to length,etc.
Thickness of PVF coating may reaches: 8μm,12μm,15μm,25μm
If any questions,please  contact sales@grandsteeltube.com

Description

PVF (Polyvinyl Fluoride) coated steel Bundy tube has been adopted for brake lines, transmission cooler lines and power steering hard tubes by auto make like Volkswagen, Mazda, Nissan, Kia, Hyundai, and many others.

PVF coating of Bundy tubes typically looks dark green and nearly black. It has very good corrosion resistance.

In the manufacture process, the tubes shall be firstly electro-plated with zinc , chromated to enhance the zinc plating performance, and then coated with a layer of PVF to finally isolate the metal from outside environment.

ItemGrand’s PVF Coated Copper Brazed Bundy Steel Tube
ProcessElectroplated Zinc, Trivalent Chromate, PVF Coating
Zinc Thickness8μm, 13μm, 25μm
PVF ThicknessAverage 20μm, 8μm min
Salt Spray TestWhite Rust: 240hr to 480 hr Red Rust: 3000hr to 6000 hr

Our workshop,located in Changzhou,covers an area of 8,000 square meters equipped with the state-of-art facilities to manufacture the double wall bundy steel tubes and single wall bundy steel tubes .The monthly production capacity is 3,000,000 meters.

The materials are :SPCC,SPHC,SPCE,BHG1,BHG2,other materials can be achieved after discussion.

Mainly sizes are:4.76×0.70mm,6.35×0.70mm,8×0.70mm,9.53×0.70mm,10×0.70mm,12×0.70mm other size like:4.00×0.5mm,3.18×0.7mm,2.60×0.50mm is also produced according the requirements.other sizes can be achieved after discussion.

1. Production of  double wall bundy steel tubes & single wall bundy steel tubes since 2005.

2. Working with customers from Europe,West Asia,South America,since 2006etc

3.  Samples can be delivered within 10 days after confirmation

4.  40 days as the production period and delivery after order confirmation.

5.  1,500,000 meters of copper coated bundy steel tube  in stock.

6.  Sizes can be offered from OD:2.60mmxWT:0.5mm to OD:12.7mmxWT:1.24mm

7.  Third party inspection like:TUV,BV,SGS,etc accepted

8.  Professional team assists your special tube requirements.

9.  Other related tubes can be offered with competitive prices:white/yellow/olive green galvanized double wall bundy tubes,PVF bundy steel tubes;etc

We have been delivering these tubes to Peru,France,Russia,South Korea for the automotive industry,since 2006.etc.If any questions,you are more than welcome to contact sales@tubesolutions.com.cn

 

Tolerances
ODToleranceWall ThicknessTolerance
<3/16″  (<4.76mm)±0.0020″ (±0.05mm)   0.03″    (0.7mm)±0.0031″ (±0.08mm)
3/16″~5/16″ (4.76mm~8mm)±0.0031″ (±0.08mm)   0.039″     (1mm) ±0.0039″    (0.1mm)
>5/16″  (>8mm)±0.0059″ (±0.15mm)

 

 

 

 

Chemical Composition
ElementCSiMnPSAlt
‰Max0.60.330.30.30.2
Mechanical Properties
Tensile Strength42000psi (290MPa)
Yield Strength26100psi (180MPa)
Elongation≥25%
Expansion≥20%
Inside Surface Cleanliness≤0.16g/m2

 

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