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 for Battery Welding 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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