Bright Resistance Alloy Copper Nickel CuNi 2 Rod
| Product Details | |
| Place Of Origin | China |
Brand Name | DLX |
Model Number | CuNi2 |
| Payment & Shipping Terms | |
| Minimum Order Quantity | 5 |
| Packaging Details | Spool Package With Carton Box, Coil Package With Polybag |
| Delivery Time | 5-21 Days |
| Payment Terms | L/C, T/T, Western Union, MoneyGram |
Supply Ability | 300 Tons Per Month |
CuNi Series
DLX alloy offer CuNi2 Copper Alloys, and it consists of Copper (Bal) as primary components. Additionally, CuNi2 alloy may have Nickel (0.7% - 2.2%), Nickel (0.7% - 2.2%) in trace amounts.
CuNi2 (2.0802) is a copper-nickel alloy (CuNi alloy) with low resistivity for use at temperatures up to 300℃. CuNi2 is used for heating resistance alloy products Copper nickel alloy CuNi 1 have low resistance, and working temperature upto 200 degree. CuNi2 Copper nickel alloy also has good corrosion-resistant, It is easy to be processed and lead welded. CuNi2 is used to make the key components in the thermal overload relay, low resistance thermal circuit breaker, and the electrical appliances. It is also an important material for electrical heating cable.
Properties/ Material | Resistivity ( 200C μΩ.m) | Max.working temperature ( 0C ) | Tensile strength ( Mpa ) | Melting point ( °C ) | Density ( g/cm³ ) | TCR x10-6 / °C (20~600 °C) | EMF vs Cu (μV/ °C) (0~100 °C) |
| NC003(CuNi1) | 0.03 | 200 | 210 | 1085 | 8.9 | <100 | <8 |
| NC005(CuNi2) | 0.05 | 200 | 220 | 1090 | 8.9 | <120 | -12 |
| NC010(CuNi6) | 0.1 | 220 | 250 | 1095 | 8.9 | <60 | -18 |
| NC012(CuNi8) | 0.12 | 250 | 270 | 1097 | 8.9 | <57 | -22 |
| NC015(CuNi10) | 0.1 | 250 | 290 | 1100 | 8.9 | <50 | -25 |
| NC020(CuNi14) | 0.2 | 300 | 310 | 1115 | 8.9 | <30 | -28 |
| NC025(CuNi19) | 0.25 | 300 | 340 | 1135 | 8.9 | <25 | -32 |
| NC030(CuNi23) | 0.3 | 300 | 350 | 1150 | 8.9 | <16 | -34 |
| NC035(CuNi30) | 0.35 | 350 | 400 | 1170 | 8.9 | <10 | -37 |
| NC040(CuNi34) | 0.4 | 350 | 400 | 1180 | 8.9 | 0 | -39 |
| NC050(CuNi44) | 0.5 | 400 | 420 | 1200 | 8.9 | <-6 | -43 |
| Performance | Constantan 6J40 | New Constantan 6J11 | Manganin 6J12 | Manganin 6J8 | Manganin 6J13 | |
| Composition | Ni | 1~2 | 10.5~12.5 | 11~13 | 8~10 | 11~13 |
| Cr | 39~41 | -- | 2~3 | -- | 2~5 | |
| Fe | REST | REST | REST | REST | REST | |
| -- | AI2.5~4.5 Fe1.0~1.6 | -- | Si1~2 | |||
Temperature Range for Components | 5~500 | 5~500 | 5~45 | 10~80 | 10~80 | |
| Density g/cm3 | 8.88 | 8 | 8.44 | 8.7 | 8.4 | |
| Resistivity μΩ.m,20 | 0.48±0.03 | 0.49±0.03 | 0.47±0.03 | 0.35±0.05 | 0.44±0.04 | |
| Extensibivity %∅0.5 | ≥15 | ≥15 | ≥15 | ≥15 | ≥15 | |
| Resistance Temperature Quotiety ∂,10 -6/ | -40~+40 | -80~+80 | -3~+20 | -5~+10 | 0~+40 | |
| Thermoelectromotive force to copper μv/(0~100) | 45 | 2 | 1 | 2 | 2 | |
Properties:
Composition:
CuNi2 consists of approximately 2% nickel and the remainder is copper.
The small amount of nickel enhances the alloy's strength and corrosion resistance compared to pure copper.
Bright Finish:
The "bright" finish indicates a polished or smooth surface, which can be achieved through processes like annealing, polishing, or electroplating.
This finish not only enhances the aesthetic appeal but also reduces oxidation and corrosion.
Resistance Properties:
Exhibits good electrical resistivity, making it suitable for applications requiring controlled resistance.
The resistivity is stable over a wide range of temperatures, which is critical for precision electrical components.
Corrosion Resistance:
Excellent resistance to corrosion, especially in marine and industrial environments.
Resists biofouling and oxidation, maintaining its appearance and structural integrity over time.
Mechanical Strength:
Good mechanical strength and durability, with moderate tensile strength.
Can be enhanced through work hardening for specific applications.
Thermal Conductivity:
Maintains good thermal conductivity, useful in heat exchange applications.
Applications:
Electrical Components:
Used in the manufacture of precision resistors, connectors, and other electrical components where stable resistance is required.
Suitable for applications in electrical engineering and electronics where controlled resistance and reliability are important.
Heating Elements:
Employed in heating elements for industrial and domestic applications due to its stable resistive properties.
Marine Applications:
Ideal for marine hardware and components, such as fasteners, fittings, and propellers, due to its corrosion resistance and bright finish.
Used in seawater cooling and piping systems.
Automotive and Aerospace:
Utilized in automotive and aerospace industries for components that require both strength and resistance to harsh environments.
Used in decorative and functional trim parts due to its bright appearance and durability.
Instrumentation:
Suitable for precision instrumentation and measurement devices where consistent electrical properties are crucial.
Used in strain gauges and other sensitive equipment.
Industrial Equipment:
Employed in various industrial applications, including valves, pumps, and fittings, where corrosion resistance and durability are necessary.
Maintenance:
The bright finish can be maintained through regular cleaning to prevent tarnishing and oxidation.
Protective coatings or treatments can further enhance the longevity and appearance of the rod.
Overall, a bright resistance alloy copper-nickel CuNi2 rod is a versatile material that combines aesthetic appeal with functional properties like electrical resistivity, corrosion resistance, and mechanical strength. This makes it suitable for a wide range of demanding applications across various industries.
FAQs
Q：I have sent the RFQ, when can I expect a reply?
A：We usually quote within 24 hours after we get your inquiry. If you are urgent to get the price, please send the message on trade management or call us directly.
Q：How long is the delivery time?
A：It depends on the order quantity ,Usually it takes about 20-30 days.
Q：Do you accept OEM/ODM manufacturing?
A：Yes! We do accept OEM/ODMmanufacturing. You could give us your samples or drawings.
Q：Can you send me your catalogue?
A：Yes, please contact us.We can share with our catalogue for you by email.
Q：How to control the products quality in your company?
A：With professional quality team, advanced product quality planning, strict implementation, continuous improvement, the quality of our products is well controlled and consistent.
Q：Can you provide detailed technical data and drawing?
A：Yes, we can. Please tell us which product you need and the applications, we will send the detailed technical data and drawing to you for your evaluation and confirm.
