Brake Line Tubes & Fittings Supply

OD 9.52mm 3/8″ .375″ PVF Coated Steel Tubing for OEM Fuel/Transmission Line

This tube is double walled, 720 degree seamed by copper brazing, used for aftermarket replacement of brake line, fuel line, transmission cooler line, and other low/medium pressure fluid/air transfer, made to SAE J527, ASTM A254, JASO M101, GOST 11249, IS 8119 etc. general standards for automotive hydraulic tubing.

The tube is easy to bend and flare, suitable for SAE 45 degree inverted flare, ISO/DIN bubble flare, ISO single flare etc.


Tensil Strength42000psi (290MPa)
Yield Strength26100psi (180MPa)
Burst Pressure50.7MPa, min
Zinc Plating25μm, min
PVF CoatingAverage 20μm, 10μm min
Salt Spray Test3000 hr, min


  1. Eddy Current (Non-Destructive) & Visual Inspection
  2. Flattening & Bending Test
  3. Expansion & Flaring Test
  4. Tension Test
  5. Inside Surface Cleanliness Test
  6. Pressure Proof Test
  7. Neutral Salt Spray Test
  8. Humidity Test
  9. Solvent Rub Test
  10. Fluid Resistance Test
  11. Gravel Impact Test
  12. Heat Cycle Test
  13. Hot Water Test

Surface Finish

Coating Material: poly-vinyl fluoride (PVF) imported from DuPont

Coating Standard:

  • Korea: SEAH KBS-C-601
  • Japan:
    • JASO M101
    • JASO M104
    • HAITEC TS67-0381
    • Mazda MES CE 300E


  • Straight cut short or long
  • Random length bulk coil
PVF Coaetd Brake Line Tube Straight Cut

PVF Coaetd Brake Line Tube Straight Cut

PVF Coaetd Brake Line Tube Buil Coil

PVF Coaetd Brake Line Tube Buil Coil

OEM Automotive Tubing