PVF coated bundy steel tube
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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 |
| Process | 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 امتار.
The materials are :SPCC,SPHC,SPCE,BHG1,BHG2,other materials can be achieved after discussion.
Mainly sizes are:4.76×0.70المليمتر,6.35×0.70المليمتر,8×0.70المليمتر,9.53×0.70المليمتر,10×0.70المليمتر,12×0.70mm other size like:4.00×0.5المليمتر,3.18×0.7المليمتر,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,فرنسا,Russia,South Korea for the automotive industry,since 2011.etc.If any questions,أنت أكثر من موضع ترحيب للاتصال sales@grandsteeltube.com
1. Production of double wall/single bundy steel tubes since 2005.
2. العمل مع عملاء من أوروبا,أمريكا الشمالية,أمريكا الجنوبية;إلخ منذ ذلك الحين 2006.
3. يمكن تسليم العينات في غضون 10 أيام بعد التأكيد
4. 40 أيام كفترة الإنتاج والتسليم بعد تأكيد الطلب.
5. 200,000 meters of copper coated steel tubes in stock.
6. يمكن تقديم الأحجام من OD:2.60mmxWT:0.5مم إلى التطوير التنظيمي:12.7mmxWT:1.24المليمتر
7. التفتيش من طرف ثالث مثل:TUV,بي,اس جي اس,إلخ مقبولة
8. فريق محترف يساعد متطلبات الأنبوب الخاصة بك.
9. Other related tubes can be offered :white/yellow/black/olive green galvanized bundy tubes;الخ
إذا كان هناك أي أسئلة,أنت أكثر من موضع ترحيب للاتصال sales@grandsteeltube.com
| Tolerances | |||
| التطوير التنظيمي | Tolerance | سمك الجدار | Tolerance |
| <3/16" (<4.76المليمتر) | ±0.0020" (±0.05mm) | 0.03" (0.7المليمتر) | ±0.0031" (±0.08mm) |
| 3/16"~5/16" (4.76mm~8mm) | ±0.0031" (±0.08mm) | 0.039" (1المليمتر) | ±0.0039" (0.1المليمتر) |
| >5/16" (>8المليمتر) | ±0.0059" (±0.15mm) | ||
| التركيب الكيميائي | |||||||
| Element | C | Si | Mn | P | S | Alt | |
| ‰Max | 0.6 | 0.3 | 3 | 0.3 | 0.3 | 0.2 | |
| Mechanical Properties | |||||||
| Tensile Strength | 42000psi (290MPa) | ||||||
| قوة العائد | 26100psi (180MPa) | ||||||
| استطاله | ≥25% | ||||||
| Expansion | ≥20% | ||||||
| Inside Surface Cleanliness | ≤0.16g/m2 | ||||||
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