The low carbon steel brake tube is supplied in single wall and double wall(Bundy Pipe). The products conform to ASTM A-254-91, A-512-91A and ASTM A214 and A513 in material and quality. Commonly sizes we supply to the client include 4.76mm×0.7 mm,6.35 mm×0.7 mm and 8 mm×0.7 mm.
Plating:Yellow Zinc,White Zinc,Copper and PVE. Package:in coils/cut-to-length Application:Hydraulic brake line tubing, brake tubing, brake pipes, fuel lines, transmission oil cooler lines, air conditioning tube, power steering, condenser, compressor, evaporator etc.
Test Item |
Technical Standard |
Test Result |
Outer Dia |
4.76±0.1mm + PVF |
4.79mm |
Mechanical Property |
Tensile Strength290Mpa |
296Mpa |
Yield Strength180Mpa |
190Mpa |
|
Elongation20% |
30% |
|
Wall Thickness |
0.70±0.1mm |
0.71mm |
Flaring Test |
Flaring25% |
30% |
Bending Test |
Bend 180°in a Radius Three Times of the Pipe Diameter |
No Crafk or Peeling After Flaring |
Flattening Test |
No Crack After Flattening |
No Crack |
Pressure Test |
No Leakage when Charged with 34.3Mpa Nitrogen Gas for 1min |
No Leakage |
Plating Thickness |
>15m |
22m |
Salt Spray Test |
>2500 hours |
3000 hours |
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