C7025 is a precipitate reinforced alloy with high strength and medium conductivity, good formability and stress relaxation resistance. It is mainly used in various kinds of consumer electronic connectors, automotive connectors and high-speed connectors. Buy nickel plated copper strip at Jintian group, an established copper strip supplier, we are pleased to await your inquiry for nickel strip price.

Copper-Nickel-Silicon Strip Certifications

ISO9001

ISO14001

Copper Nickel Strip Advantages

Cop-ni-si alloy has good resistance to high temperature softening and thermal stress relaxation, which can improve the reliability of devices at high temperature

Copper-nickel-silicon alloy has good surface quality and uniform precipitation phase dispersion, which can improve the electroplating quality of products in the subsequent process.

Copper-nickel-silicon alloy has good bending performance, which can meet the requirements of subsequent stamping.

Copper-Nickel-Silicon Strip Application Fields

Consumer Electronics DDR

Consumer Electronics Type-c Cable End

Semiconductor Lead Frame

Automotive Terminal

Copper-Nickel-Silicon Strip Performance Parameter

Chemical Composition of C7025

The main elements Cu Ni Si Mg

Content / % Rem. 2.2-4.2 0.25-1.2 0.05-1.3

Physical Properties of C7025

The density of 8.8 g/cm3

Conductivity @ 20 ℃ P 42 %IACS

Thermal conductivity @ 20 ℃ 190 W/(m • K)

Specific heat capacity 0.39 J/g • K)

Poisson's ratio 0.33 -

Modulus of elasticity 130 GPA

Surface roughness 17.6 um

Mechanical Properties of C7025

state Hardness/HV Tensile strength /MPa Yield strength /MPa Elongation/A50%

TM00 180-200. 580-650. P 500 11 or higher

TM02 190-220. 650-730. P 580 7 or higher

TM03 210-240. 670-800. P 645 5 or more

TM04 230-250. 740-840. P 680 3 or higher

Bending Performance of C7025

state 90 ° R/T

Good Way Bad Way

TM00 0 0

TM02 1 1

TM03 1.5 1.5

TM04 2 2

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