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EN 12166 Grade CuZr R280 – High-Performance Copper Alloy for Wire & Fasteners

Application: general purpose wire, springs, fasteners

Properties

General

PropertyTemperatureValue

Density

20.0 °C

8.9 g/cm³

Mechanical

PropertyTemperatureValueComment

Elastic modulus

20.0 °C

135 GPa

Elongation

20.0 °C

15 %

Elongation A100

20.0 °C

6 - 10 %

Elongation A11.3

20.0 °C

12 %

Poisson's ratio

23.0 °C

0.34 [-]

Typical for Wrought Copper Pure / Low Alloyed Copper

Shear modulus

23.0 °C

48 GPa

Typical for Wrought Copper Pure / Low Alloyed Copper

Tensile strength

20.0 °C

280 MPa

Yield strength Rp0.2

20.0 °C

210 MPa

Thermal

PropertyTemperatureValueComment

Coefficient of thermal expansion

300.0 °C

1.7E-5 - 1.8E-5 1/K

Melting point

965 - 1100 °C

Typical for Wrought Copper Pure / Low Alloyed Copper

Specific heat capacity

23.0 °C

377 - 420 J/(kg·K)

Typical for Wrought Copper Pure / Low Alloyed Copper

Thermal conductivity

20.0 °C

167 - 330 W/(m·K)

Electrical

PropertyTemperatureValue

Electrical conductivity

20.0 °C

2.60E+7 - 5.40E+7 S/m

Specific Electrical conductivity

86 % IACS

Chemical properties

PropertyValue

Zirconium

0.1 - 0.2 %


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