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Forms and sizes available

  • Bars: 0.50″ (12.7 mm) < Ø ≤ 5″ (127 mm)

NS30 | CuNi7Si2Cr1 | High thermal conductivity and high strength copper nickel silicon alloy

ISO Composition: CuNi7Si2Cr1

NS30 | CuNi7Si2Cr1 key properties

NS30 | CuNi7Si2Cr1 is a wrought copper nickel silicon alloy CuNi7Si2Cr1 designed for applications requiring a combination of high thermal dissipation, high strength, resistance to shocks and corrosion resistance.

NS30 | CuNi7Si2Cr1 exhibits outstanding physical and mechanical properties.

NS30 | CuNi7Si2Cr1 is exceptionally resistant to metal-to-metal wear, galling and softening.

NS30 | CuNi7Si2Cr1 guarantees longer service life and fewer breakdowns, therefore optimizing your total cost of ownership (TCO).

NS30 | CuNi7Si2Cr1 is easily machined into complex components whilst being environmentally friendly, being both beryllium-free and lead-free.

NS30 | CuNi7Si2Cr1 is an ideal substitute to CuBe2 Beryllium Copper and is compliant with REACH and RoHS regulations.

NS30 | CuNi7Si2Cr1 applications


NS30 | CuNi7Si2Cr1 enhances engine performance by minimizing crevice volume and head distortion, lowering exhaust bridge temperature, reducing piston mass, and regulating overall temperature.

Furthermore, NS30 | CuNi7Si2Cr1 diminishes the knocking effect and optimizes spark advance for improved engine efficiency.

In fuel- and CO2-efficient touring cars, NS30 | CuNi7Si2Cr1 finds applications in valve seats, valve guides, liners, bearings, and bushings.

Similarly, NS30 | CuNi7Si2Cr1 is employed in racing cars for valve train components to enhance performance.

Injection Tooling

NS30 | CuNi7Si2Cr1 stands out as an excellent choice for tooling applications due to its exceptional thermal and mechanical properties.

It is well-suited for use in mold inserts for injection molding, injection and extrusion blow molding, as well as injection components such as nozzles and manifolds for hot runner systems.


NS30 | CuNi7Si2Cr1 is specifically designed for demanding welding applications, including highly stressed welding shanks and wheels, as well as high-pressure die casting plunger tips and pistons.