C70350

Standard

JIS DIN EN ASTM/UNS/CDA GB/T
C7035 CuNi1Co1Si CuNi1Co1Si CDA C70350/ASTM B422 /

Merit

It has good yield strength and fatigue strength, good elastic properties, excellent processing and forming properties and bending properties, good ductility, durability and corrosion resistance.

 

Applications

Connectors, terminals, relays, switches, heat sinks, etc.

Cu Remainder
Ni+Co 2.0-4.5
Co 0.9-2.0
Si 0.5-1.2
Mg max. 0.04

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Temper Tensile Strength(Mpa) Yield Strength(Mpa) Elongation (%) Hardness(HV) Bending Test(90°)GW Bending Test(90°)BW
TM02 690-830 min. 550 min. 5 160-210 0 0
TM04 770-900 750-850 min. 4 220-280 1 1
TM06 840-970 800-920 min. 1 240-300 2 2

Physical properties of the above materials are conventional performance indicators.If you have some special requirements,(for example property and tolerance).please contact Kinmachi Company directly,we will give you professional assessments and answers.

Density (g/cm³) 8.82
Electrical conductivility IACS%(20℃)* 44
Modulus of elasticity (KN/mm²) 120
Coefficient of thermal expansion 10-6/K 17.6
Thermal conductivity W/(m*K) 200

*value for the lowest temper class

微信图片_20241127140256(1)
JIS: C7035
DIN: CuNi1Co1Si
EN: CuNi1Co1Si
UNS: CDA C70350 /ASTM B422
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