Cupro Nickel Alloy CuNi2 Foil for Thermal Overload Relay
Brand Name:Tankii
Model Number:CuNi2
Minimum Order Quantity:20kg
Delivery Time:10days
Payment Terms:T/T, L/C, D/A, D/P
Place of Origin:China
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Location:
Shanghai Shanghai China
Address:
1900 Mudanjiang Road, Baoshan District, 201999, Shanghai, China
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Product Description
Cupro Nickel Alloy CuNi2 Foil for Thermal Overload Relay
CuNi2Si - UNS.C64700/C70250 Nickel Silicon Bronze Alloys, which is an age-hardening alloy, higher alloyed in comparison with CuNi1.5Si, for current-carrying formed parts. It has an a-structure with very fine precipitations and recommends itself both for lead frames which require a high rigidity of the pins and for connector with high demands on the electrical conductivity, strength and relaxation behavior. In addition, the CuNi2Si can also be used for current-carrying formed parts and contact springs due to its good fatigue strength, forming and spring properties.
Typical Application for C64700/C70250 Nickel Silicon Bronze Alloys:
Electrical : Resistance Welding Electrodes, Motor Rotor Bar, And Resistance
Welding Tips.
Fastener : Fastener parts
Industrial : Brazing Rod, Welding Rod
Available Products (forms):
Round bars, Flat bars, Square bars, Rectangular bars, Hexagon bars
Custom shapes are available upon request.
Chemical Content, %
| Ni | Mn | Fe | Si | Cu | Other | ROHS Directive | |||
| Cd | Pb | Hg | Cr | ||||||
| 2 | - | - | - | Bal | - | ND | ND | ND | ND |
Mechanical Properties
| Max Continuous Service Temp | 200ºC |
| Resisivity at 20ºC | 0.05±10%ohm mm2/m |
| Density | 8.9 g/cm3 |
| Thermal Conductivity | <120 |
| Melting Point | 1090ºC |
| Tensile Strength,N/mm2 Annealed,Soft | 140~310 Mpa |
| Tensile Strength,N/mm2 Cold Rolled | 280~620 Mpa |
| Elongation(anneal) | 25%(min) |
| Elongation(cold rolled) | 2%(min) |
| EMF vs Cu, μV/ºC (0~100ºC) | -12 |
| Micrographic Structure | austenite |
| Magnetic Property | Non |
Application of CuNi2
CuNi2 low resistance heating alloy is widely used in low-voltage
circuit breaker, thermal overload relay, and other low-voltage
electrical product. It is one of the key materials of the
low-voltage electrical products. The materials produced by our
company have the characteristics of good resistance consistency and
superior stability. We can supply all kinds of round wire, flat and
sheet materials
Note:
1). the units are based upon US Customary.
2). the typical physical properties apply to age hardened products.
International Specification:
Rods/Bars/Plates/Sheets: UNS.C64700, UNS.C70250, RWMA Class 3
European Standards: CuNi2Si, DIN 2.0855, CW111C to EN
Note:
ASTM: American Society for Testing and Materials
RWMA: Resistance Welder Manufacturers' Association
Note: Unless otherwise specified, material will be produced to DIN &
RWMA
Cupro Nickel Alloy CuNi2 Foil for Thermal Overload Relay
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