• Cupro Nickel Alloy CuNi2 Foil for Thermal Overload Relay
  • Cupro Nickel Alloy CuNi2 Foil for Thermal Overload Relay
  • Cupro Nickel Alloy CuNi2 Foil for Thermal Overload Relay
  • Cupro Nickel Alloy CuNi2 Foil for Thermal Overload Relay
  • Cupro Nickel Alloy CuNi2 Foil for Thermal Overload Relay

Cupro Nickel Alloy CuNi2 Foil for Thermal Overload Relay

Product Type: Strip
Material: Cu Ni Si
Carbon Content: Low Carbon
PCD: none
ET: none
Hole: 0
Samples:
US$ 20/kilograms 1 kilograms(Min.Order)
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Customization:

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Basic Info.

Model NO.
CuNi2
sample
Free
size
0.01-10mm*1-600mm
standard
ASTM/GB/JIS/DIN
surface
bright
State
soft hard
Purity
2%Ni
Transport Package
in Coil(Also Accord to Client′s Requirement)
Specification
CuNi2
Trademark
TANKII
Origin
China
HS Code
74094000
Production Capacity
2000 Tons/Year

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

Cupro Nickel Alloy CuNi2 Foil for Thermal Overload Relay
Cupro Nickel Alloy CuNi2 Foil for Thermal Overload Relay
Cupro Nickel Alloy CuNi2 Foil for Thermal Overload Relay

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