ASTM B122 C7521 C75200 CuNi18Zn20 Copper Nickel Zinc Alloy Bright Surface Cold Rolling

C7521(CuNi18Zn20) UNS.C75200

Nickel Silver Alloys, also called Copper - Nickel - Zinc alloys, 65 - 18 - 18 respectively.which has good formability, good corrosion and tarnish - resistance performance, and this alloy has the pleasing silver - like color.

Chemical composition

Physical properties,fabrication properties

Mechanical properties

Features

1) Good color

2) High toughness

3) High strength

4) High stability

5) Excellent elasticity with fine silver gloss

6) Good fatigue

7) Rust and corrosion resistance properties

8) C7521 and C7541 have very good deep-drawing performance

Applications

1) Shielding material for communication electronics

2) Antenna material

3) EMI-shielding material

4) Spring contact

5) Flexible terminal

6) Environmentally-friendly plating-free electronic parts and components

7) Quartz oscillator

8) High-level material

9) Electric material