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NM3 (CuNi7Zn39Pb3Mn2) – Premium Nickel Silver Alloy C79860

Nickel silver offering an optimal compromise between cold forming and machining, designed and manufactured by Lebronze alloys.

Properties

General

PropertyTemperatureValue

Density

23.0 °C

8.4 g/cm³

Mechanical

PropertyTemperatureValue

Elastic modulus

23.0 °C

115 GPa

Elongation

23.0 °C

3 - 38 %

Hardness, Brinell

23.0 °C

104 - 216 [-]

Hardness, Rockwell C

23.0 °C

1 - 19 [-]

Hardness, Vickers

23.0 °C

111 - 175 [-]

Tensile strength

23.0 °C

491 - 780 MPa

Yield strength

23.0 °C

241 - 700 MPa

Thermal

PropertyTemperatureValueComment

Coefficient of thermal expansion

23.0 °C

1.9E-5 1/K

for 20-200°C

Thermal conductivity

23.0 °C

33 W/(m·K)

Electrical

PropertyTemperatureValue

Electrical conductivity

23.0 °C

4.00E+6 S/m

Specific Electrical conductivity

7 % IACS

Technological properties

Property
Application areas

ball point pen tips cold formed and machined eyeglass components screws

General machinability

90 %


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