Data Sheet L5 - CuNi18Zn27

(1973 Edition)

Wrought Materials - Copper-Nickel-Zinc Alloys - Nickel Silvers

Common names: 18% Nickel Silver

Nickel Silver 55-18

A copper-nickel-zinc alloy with an alpha phase structure. The material, which is silver-white in colour, has good corrosion resistance to many organic products, waters and corrosive atmospheres. It is essentially a spring alloy widely used in the telecommunications field. The most commonly used wrought forms are sheet and strip.

1. Some Typical Uses

2. Physical Properties

3. Fabrication Properties

4. National Specifications for Manufactured Forms

5. Mechanical Properties

6. References

INDEX NUMBERS RELATE TO LITERATURE REFERENCE; INDEX LETTERS RELATE TO FOOTNOTES AT END OF TABLE

1. Some Typical Uses

Electrical

Relay and contact springs, wiper blades, cross-bar switches, control parts and uniselector components in telecommunications equipment (for more arduous service conditions); contacts, connectors, connector pins and terminals.

Mechanical

Springs and clips.