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EN 12166 Grade CuCo1Ni1Be R680 – Premium Copper Alloy Wire & Springs

Application: general purpose wire, springs, fasteners

Properties

General

PropertyTemperatureValue

Density

20.0 °C

8.3 - 8.8 g/cm³

Mechanical

PropertyTemperatureValueComment

Elastic modulus

23.0 °C

110 - 130 GPa

Typical for Wrought Copper High Copper Alloy

Elongation

20.0 °C

10 %

Elongation A100

20.0 °C

3 - 6 %

Elongation A11.3

20.0 °C

6 - 8 %

Tensile strength

20.0 °C

680 MPa

Yield strength Rp0.2

20.0 °C

550 MPa

Thermal

PropertyTemperatureValueComment

Coefficient of thermal expansion

23.0 °C

1.6E-5 - 1.8E-5 1/K

Typical for Wrought Copper High Copper Alloy

Melting point

855 - 1090 °C

Typical for Wrought Copper High Copper Alloy

Specific heat capacity

23.0 °C

360 - 420 J/(kg·K)

Typical for Wrought Copper High Copper Alloy

Electrical

PropertyTemperatureValue

Electrical conductivity

20.0 °C

2.80E+7 S/m

Specific Electrical conductivity

48 % IACS

Chemical properties

PropertyValue

Beryllium

0.4 - 0.7 %

Cobalt

0.8 - 1.3 %

Iron

0.2 %

Nickel

0.8 - 1.3 %


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