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Copper Nickel Silicon alloys

CuNiSi performance products

Excellent thermal & electrical conductivity. _High mechanical & friction resistance.

CuNiSi alloys are hardenable and offer a unique combination of advantages. They are a material of choice for applications in high temperature, notably due to their heat conductiviy, stability at high temperature and resistance to stress relaxation.

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  • Suited for friction applications in hot environments 
  • Beryllium-free and Lead-free
  • Good formability and machinability

Due to their high thermal conductivity in particuliar, CuNiSi materials are the material of choice when heat removal is necessary:

- CuNiSi a suited for friction applications in hot environments: their high properties allow to optimize the sizing or the reliability of such parts

- In high-termperature production processes like moulding, the exceptionnal thermal performances of NS30 allow higher operating temperatures and therefore quicker production tack-times

Alloy Name
Available forms
Composition
UNS
European Norms
Other norms
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NS5 CuNi3Si1 / CuNi2Si C18000 - C64700 CW111C DTD 498 - ASNA 3405 - NFL 14707
NS6 CuNi2SiCr C18000 - C64700 CW111C RWMA class 3: C18000
NS30 Automotive CuNi7Si2Cr1 - - -
NS30 Tooling & Molding CuNi7Si2Cr1 - - -
Nib1 CuNiSi - - -
NS5 <20mm CuNi3Si1 / CuNi2Si C18000 - C64700 - -
NS8 CuNi2SiCr - - -
Siclanic® F CuNi2Si C70260 EN 12163 - EN 12167 - EN 12420 - EN 12165 - CW111C DTD 498 - RWMA class 3 - DIN 17666 wn 2.0855 - DIN 17672 w 2.0855 - DIN 44759 - NFL 14-701
Siclanic® M CuNi3SiMn C70250 - -
Siclanic® S CuNi2Si

C18000 - C64700

CW111C

DIN 2.0855

X302 CuNi2Si - - -

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