PVF belagt bundy stålrør
- Beskrivelse: __________
- Baoshengs fordele
- Specifikationer
- Undersøgelse
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.
Item | Requirement |
Proces | Electroplated Zinc, Trivalent Chromate, PVF Coating |
Zinc Thickness | 8μm, 13μm, 25μm |
PVF Thickness | Average 20μm, 8μm min |
Salt Spray Test | White Rust: 240hr to 480 hrRed Rust: 3000hr to 6000 hr |
Our workshop,located in Changzhou,covers an area of 13,000 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 Meter.
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.
We have been delivering these tubes to Peru,Frankrig,Russia,South Korea for the automotive industry,since 2011.etc.If any questions,Du er mere end velkommen til at kontakte sales@grandsteeltube.com
1. Production of double wall/single bundy steel tubes since 2005.
2. Samarbejde med kunder fra Europa,Nordamerika,Sydamerika;osv. siden 2006.
3. Prøver kan leveres inden for 10 dage efter bekræftelse
4. 40 dage som produktionsperiode og levering efter ordrebekræftelse.
5. 200,000 meters of copper coated steel tubes in stock.
6. Størrelser kan tilbydes fra OD:2.60MmxWT:0.5mm til OD:12.7MmxWT:1.24Mm
7. Tredjeparts inspektion som:TUV,BV,SGS,osv. accepteret
8. Professionelt team hjælper dine særlige rørkrav.
9. Other related tubes can be offered :white/yellow/black/olive green galvanized bundy tubes;osv
Hvis der er spørgsmål,Du er mere end velkommen til at kontakte sales@grandsteeltube.com
Tolerancer | |||
OD | Tolerance | Vægtykkelse | Tolerance |
<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) |
Kemisk sammensætning | |||||||
Element | C | Si | Mn | P | S | Alt | |
‰Max | 0.6 | 0.3 | 3 | 0.3 | 0.3 | 0.2 | |
Mekaniske egenskaber | |||||||
Trækstyrke | 42000Psi (290Mpa) | ||||||
Flydespænding | 26100Psi (180Mpa) | ||||||
Forlængelse | ≥25% | ||||||
Expansion | ≥20% | ||||||
Inside Surface Cleanliness | ≤0.16g/m2 |
Hvis der er spørgsmål,Du er mere end velkommen til at kontakte sales@grandsteeltube.com