18% Nickel Silver


Application & Characteristics
Good resistance to oxidizing acids and humid, salty atmospheres. Tubular parts for musical instruments, cameras and marine hardware.

Chemical Composition (%)
Cu 65; Zn 17; Ni 18

Physical Properties
Melting Range (°F)	1960 – 2030
Density (lbs/in³) 68F	0.316
Thermal Expansion (in/in °Fx10 to the power of -6)	9.0
Electrical Resistivity (ohms/cir mil/ft.) 68F	173

Mechanical Properties – Temper = A
Tensile Strength (psi x 10³)	58
Yield Strength (psi x 10³)	25
Elongation ( % )	40
Hardness	B40(Rockwell)

Mechanical Properties – Temper = H/2
Tensile Strength (psi x 10³)	78
Yield Strength (psi x 10³)	60
Elongation ( % )	14
Hardness	B78(Rockwell)

Mechanical Properties – Temper = H
Tensile Strength (psi x 10³)	94
Yield Strength (psi x 10³)	74
Elongation ( % )	3
Hardness	B87(Rockwell)