| Customization: | Available |
|---|---|
| Color: | Copper |
| Strength Grade: | Hardness HRC30 |
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CNW-5/GCN5W 2.0802 / C70200 copper nickel alloy wire 0.19mm used for heating mats
CuNi2 - 2.0802 / C70200
This alloy presents the particularity to be very malleable, to have a good resistance to corrosion
until temperatures of 300°C and a good solderability.
Ideal applications areas are all types of resistances used at low temperature
Physical Properties:
• Resistivity (soft): 0.0488 (Ω x mm2/m)
• Temperature coefficient of resistance: 0.13 (%/K)
• Conductivity soft (MS/m): 20.5
• Elongation at soft temper: >25%
• Tensile strength soft: 300 N/mm²
Typical Application :
Electrical : Resistance Welding Electrodes, Motor Rotor Bar, And Resistance Welding Tips.
Fastener : Fastener parts
Industrial : Brazing Rod, Welding Rod
Available Sizes:
Custom Diameter & Sizes, Random Mill lengths
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 |
| 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.
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