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Siclanic® S | CuNi2Si | CW111C

CuNi2Si

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Siclanic® S | CuNi2Si | CW111C
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  • ISO composition : CuNi2Si
  • European standards :

    CW111C

Product forms

Rolled products

Applications

Industry parts for high temperature, pressure and wear resistance
High performance electric connectors

Siclanic® S | CuNi2Si | CW111C Key properties 

Siclanic® S | CuNi2Si | CW111C is a copper‑nickel‑silicon alloy engineered for applications requiring high electrical conductivity, mechanical strength and fatigue resistance. Hardenable by heat treatment, the alloy combines formability before thermal treatment with strong mechanical performance after processing, making it suitable for demanding electrical and mechanical components. 

Siclanic® S | CuNi2Si | CW111C exhibits excellent electrical conductivity together with good thermal stress relaxation resistance, ensuring reliable performance under repeated mechanical and thermal loading. It also offers good corrosion resistance and is suitable for a wide range of forming and assembly processes, including stamping, bending, soldering and welding, enabling the production of complex and durable components. 

As a copper‑nickel‑silicon alloy, Siclanic® S delivers a balanced combination of conductivity, strength and fatigue resistance, making it a dependable solution for electrical contact and switching applications. 

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Siclanic® S
CuNi2Si

CW111C

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Siclanic® S | CuNi2Si | CW111C Applications 

Electrical and switching components 
Siclanic® S | CuNi2Si | CW111C is used for conductive contact blades, switches, circuit breakers, thermostats, pressure switches and contactors, as well as relay components, automotive commutators and railway parts, where electrical performance, mechanical durability and fatigue resistance are essential.