Nickel-silver (German silver)

Nickel-silver is a silver colored copper-nickel-zinc alloy with high corrosion resistance and high strength. Nickel-silver can only be hardened with cold working, e.g. by forging or rolling. Temperatures over 500°C are required to soften it again.

Techncial Datasheet (PDF)

Further names for nickel-silver include:

  • Argentan
  • German silver ("plata alemana" in Spanish)
  • Alpacca
  • Paktong

Nickel-silver application areas:

  • Silverware and tableware
  • Devices for precision engineering, electrical technology, medical applications
  • Shielding EMI
  • Zippers
  • Jewelry
  • Wind and string instruments
  • Frames for Glasses 

Nickel-silver foils are used in the following areas:

  • Electrical technology
  • Lamination
  • Etching technology
  • Antennas and contacts in telecommunications

We offer the following standard types of nickel-silver:

  • CuNi18Zn20 (DIN: CuNi18Zn20; UNS: C 76400; EN: CuNi18Zn20)

Other types of nickel-silver can be requested; we would be happy to assist you.
Contact us

Please touch base

If you have further requirements, we would feel very happy to offer our assistance.

Click for contact form

Solar industry

For over 25 years SCHLENK has provided high precision connectors for the photovoltaic industry and is known internationally as a market and technology leader.


Materials industry

The field of powder metallurgy and the metallic materials it generates comprise a wide spectrum of metals and alloys as well as end uses and technologies.