ASTM A254 BHG1 Copper PVF Coating Coil Tube Bundy Tube For Automobile Braking System
Double-wall bundy tube has the advantages of seamless pipe and welded pipe, which not only has the high strength of seamless pipe, but also has the high precision of welded pipe.
SAE J526 Welded low-carbon tubing
EN10305-6 Welded cold drawn tubes from hydraulic and pneumatic power systems
ASTM A254 Copper-brazed steel tubing
| O D/ mm | 4 | 4.2 | 4.76 | 6 | 6.35 | 7.8 | 8 | 9.52 |
| W T | 0.5-1.0mm (0.5-0.7mm common WT) |
| Tolerance | ±0.05mm |
| Length | 180Kg/coil; 700-1000m/coil; per customer’s request |
Tube welding– Cold drawing (reduce diameter)– Annealing in Protected Atmosphere— Cleaning-- Leakage detection– Zinc/Copper Plating– Keep pressure (Airtightness) – Packing
| Coating | Thickness | Salt spray test duration |
| Copper/White Zinc/Colour-Zinc | 8μm | 72h |
| PVF | 8μm+20μm | 1000-2000h |
| Military Green Zinc | 8μm | 180h |
| GALFAN | 8μm+20μm | 1000-2000h |
| Nylon | 8μm+40μm | 180h |
Application industry
Double-layer coiled pipe is widely used in automobile braking system and fuel transportation pipeline, civil electric box compressor carburetor, heat exchanger, condenser and many other components.
1 ) Advantage:
a. Good corrosion resistance;
b. Excellent mechanical properties;
c. Low-pressure loss;
d. Comparatively light in weight
e. Sturdy shape, pleasant to the eye when exposed;
f. Impervious to harmful chemical;
g. Cost effective;
h. Recyclable & have resale value.
2 ) Plating: Cooper coated
3 ) Certifiction: ISO9001
4 ) Package: cut-to-length /in coils, as your requirement,beveled ends.
5 ) Standard: Country YB/T4164--2007
6 ) Raw materials: low carbon steel tube/ BHG2
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Cold Drawn PVF Coating Bundy Automotive Steel Tubes Images
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