When you're tackling corroded brake lines on the ramp, you need a material that stands up to the elements and intense hydraulic pressure. While standard copper pipe is easy to bend, it lacks the structural integrity required for long-term peace of mind. Copper Nickel—commonly known in the trade as Kunifer, CuNi, or NiCopp—is the professional choice for fabricating reliable, high-performance brake lines.
This alloy combines the corrosion resistance of copper with the tensile strength of nickel. In the workshop, this means you are installing a line that will not rust out like original OE steel lines, and will not suffer from the work-hardening and fatigue cracking that can plague pure copper under constant chassis vibration and heavy braking cycles.
Why Use Kunifer in the Workshop?
High Fatigue Strength: Unlike pure copper, which can become brittle and crack over time, Copper Nickel handles the high-pressure cycles of modern ABS and braking systems without degrading.
Exceptional Corrosion Resistance: Highly resistant to road salt, moisture, and road grime. This is the material to use for a fit-and-forget job that will easily clear future MOT inspections.
Excellent Workability: While slightly stiffer than pure copper, it remains highly malleable. It bends cleanly without kinking when using a quality pipe bender, and holds a precise single or double flare without splitting.
Mechanic's Tips for Best Results
Because Copper Nickel is tougher than standard copper, we recommend using a high-quality, turret-style or hydraulic flaring tool to get clean, professional SAE or DIN flares. Always ensure you deburr the cut end of the pipe, both inside and out, before flaring to guarantee a perfect, leak-free seat at the union.
Please note: The physical appearance and finish of the pipe coil may vary slightly from the image shown depending on the production run, but the material specification remains strictly to professional engineering standards.
Material: Copper Nickel
(Pipe may differ to image shown)
Copper pipes are more traditional and easier to work with however Copper Nickel (aka CuNI, Kunifer, cupro-nickel or NiCopp) is more resistant to corrosion and has a higher fatigue strength.
We can manufacture pipes to your exact specifications.
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