C70260
C70260
Standard
| JIS | DIN | EN | ASTM/UNS/CDA | GB/T |
| C7026 | / | CuNi2Si | C70260 | / |
Merit
It possesses excellent yield strength and fatigue strength, along with good elasticity, outstanding formability and bending performance, as well as good ductility, durability, and corrosion resistance.
Applications
Components for electrical industry connectors Relay springs Springs Semiconductor components.
| Cu | Remainder |
| Ni | 2.4 |
| Si | 0.5 |
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| Temper | Tensile Strength(Mpa) | Yield Strength(Mpa) | Elongation (%) | Hardness(HV) |
| R460 | 460-580 | 350min | 16min | 150-190 |
| Y580 | 580-650 | 470min | 14min | 170-210 |
| R620 | 620-720 | 540min | 13min | 180-220 |
| R680 | 680-780 | 620min | 10min | 200-240 |
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) | 8.88 |
| Electrical conductivility IACS%(20℃)* | 45 |
| Modulus of elasticity (KN/mm²) | 130 |
| Coefficient of thermal expansion 10-6/K | 17 |
| Thermal conductivity W/(m*K) | 200 |
*value for the lowest temper class
JIS: C7026
EN: CuNi2Si
UNS: C70250
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