When you're replacing rotted brake lines, you want to do the job once and know it’s going to last. Standard steel lines are a nightmare to bend and rust out far too quickly on salted UK roads. While pure copper is easy to work with, it lacks the structural integrity required for high-pressure braking systems under constant vibration.
That’s where Copper Nickel (commonly known as Kunifer, CuNi, or NiCopp) comes in. This is the industry-standard alloy for professional workshops. It combines the corrosion resistance of copper with the tensile strength of nickel, meaning it won’t degrade when exposed to road salt, moisture, or harsh brake fluids. More importantly, it has a significantly higher fatigue strength than standard copper, making it much safer and more reliable under high-pressure cycling.
Why Kunifer Belongs in Your Workshop:
Superior Fatigue Strength: Unlike standard copper, which can work-harden and become brittle over time under chassis vibration, Kunifer retains its structural integrity and resists cracking.
Unmatched Corrosion Resistance: The nickel content creates a highly durable barrier against road salt, water, and grime—essential for securing hassle-free MOT passes year after year.
Excellent Workability: It strikes the perfect balance. It is rigid enough to hold its shape when routed along a chassis, yet pliable enough to be bent by hand or with a pipe bender without kinking.
Clean Flares: It takes a single or double flare cleanly using standard workshop flaring tools, ensuring a perfect, leak-free seat against callipers, wheel cylinders, and flexi-hoses.
Whether you are plumbing in a classic restoration, replacing a corroded section for an MOT repair, or completely replumbing a commercial vehicle, Kunifer is the only material worth using. It saves time on the bench and guarantees a professional, long-lasting job.
Please note: The actual pipe supplied may differ slightly in appearance from the image shown depending on manufacturing runs, but the material specification remains strictly premium-grade Copper Nickel.
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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