High-Durability CuNi34 Copper Nickel Wire for Desalination Systems

Our High-Durability CuNi34 Copper Nickel Wire is a tough-as-nails material built for desalination systems and other high-stakes applications. With a nickel content of about 34%, this alloy delivers a killer combo of corrosion resistance and electrical resistivity (0.40 μΩ·m at 20°C), making it a top pick for industries facing harsh conditions like saltwater or chemicals. Whether you’re building components for desalination plants, heating cables for industrial systems, or resistors for marine environments, our CuNi34 wire is designed to deliver rock-solid performance every time.

This wire is all about strength and versatility. Its superior corrosion resistance makes it a champ in aggressive environments, while its high ductility and weldability mean it’s easy to shape into wires, ribbons, or strips. With a tensile strength of 410 MPa and a maximum operating temperature of 350°C, it’s built to handle extreme stress and heat without breaking a sweat. From desalination to aerospace electronics, our CuNi34 wire is the go-to choice for manufacturers who need reliability they can count on.

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What makes our CuNi34 wire stand out? It’s the perfect mix of durability and precision. Its ultra-low temperature coefficient of resistance (TCR) of less than 8 x10⁻⁶/°C ensures stable electrical performance, even in fluctuating temperatures. This is a big deal for desalination systems, where consistency is critical to keeping equipment running smoothly. Its exceptional corrosion resistance also makes it ideal for environments like marine or chemical processing plants, where saltwater, acids, or alkalis could chew through lesser materials.

We produce this wire in a range of sizes to fit any project—wires from 0.05mm to 8mm in diameter, ribbons as thin as 0.05mm, and strips up to 200mm wide. Our hydrogen annealing process delivers a smooth, bright surface and a soft annealed condition, making it a breeze to work with during fabrication. Whether you’re crafting components for desalination plants or precision resistors for electronics, our CuNi34 wire is designed to streamline your manufacturing process while delivering top-notch performance.

Parameter:

Properties Material	Resistivity 200c μΩ.m	Max working temperature (℃)	Tensile strength (Mpa)	Melting point (℃）	Density (g/cm3)	TCR *10-6/℃ (20-600℃）	EMF vs Cu (μV/℃） （0-100℃）
CuNi1	0.03	200	210	1085	8.9	＜100	-8
CuNi2	0.05	200	220	1090	8.9	＜120	-12
CuNi6	0.1	220	250	1095	8.9	＜60	-18
CuNi8	0.12	250	270	1097	8.9	＜57	-22
CuNi10	0.15	250	290	1100	8.9	＜50	-25
CuNi14	0.2	300	310	1115	8.9	＜30	-28
CuNi19	0.25	300	340	1135	8.9	＜25	-32
CuNi23	0.3	300	350	1150	8.9	＜16	-34
CuNi30	0.35	350	400	1170	8.9	＜10	-37
CuNi34	0.4	350	400	1180	8.9	0	-39
CuNi44	0.5	400	420	1200	8.9	＜-6	-43

Size Range
Wire	0.08-7.5mm
Ribbon	(0.05-0.35)*(0.5-6.0)mm
Strip	(0.50-2.5)*(5-180)mm
Rod	8-50mm

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The copper-nickel alloy market is buzzing, driven by growing demand in industries like desalination, marine, chemical processing, electronics, and aerospace. The global market for these alloys is set to keep climbing over the next decade, fueled by trends like the expansion of desalination plants, renewable energy systems, and advanced industrial automation. These sectors need materials that deliver durability, precision, and resistance to harsh environments—exactly what our CuNi34 wire brings to the table.

Sustainability is a major force shaping the market. As industries push for greener solutions, materials that offer energy efficiency and long-term durability are in high demand. Our CuNi34 wire’s stable resistivity and corrosion resistance make it a perfect fit for applications like desalination systems, which require long-lasting components to support water purification efforts. Another key trend is the growing need for corrosion-resistant materials in marine and chemical processing applications, where our wire’s ability to withstand aggressive environments gives it a clear edge.

The rise of automation and IoT is also driving demand. Smart control systems and sensors in desalination and industrial systems require materials that deliver pinpoint accuracy and reliability, and our CuNi34 wire is built for just that. From water treatment facilities to aerospace electronics, this alloy supports the backbone of modern technology. As industries keep pushing the boundaries, the versatility and durability of copper-nickel alloys like ours will keep them at the top of the material game.

Applications of CuNi34 Wire

Our High-Durability CuNi34 Copper Nickel Wire is a versatile powerhouse with a wide range of applications. Here’s where it really shines:

• Desalination Systems: Its corrosion resistance and thermal stability make it ideal for components in desalination plants, ensuring reliable performance in salty, high-stress environments.

• Heating Cables: Used in high-temperature heating applications like industrial heating systems or underfloor heating, CuNi34 delivers efficient and consistent heat output.

• Precision Resistors: The wire’s low TCR ensures stable current control, perfect for resistors in electronics, from consumer devices to industrial systems.

• Marine Applications: Its superior corrosion resistance makes it a great fit for electrical components in boats, offshore platforms, and other marine environments.

• Chemical Processing: CuNi34 wire thrives in chemical plants, handling aggressive substances like acids and alkalis without degrading.

• Aerospace Electronics: Its ability to handle high temperatures and mechanical stress makes it suitable for high-reliability aerospace components.

Comparison Parameters Table

Alloy	Resistivity (μΩ·m, 20°C)	Max Working Temp (°C)	Tensile Strength (MPa)	Melting Point (°C)	Density (g/cm³)	TCR (x10⁻⁶/°C, 20-600°C)	EMF vs Cu (μV/°C, 0-100°C)
CuNi1	0.03	200	210	1085	8.9	<100	-8
CuNi6	0.10	220	250	1095	8.9	<60	-18
CuNi10	0.15	250	290	1100	8.9	<50	-25
CuNi14	0.20	300	310	1115	8.9	<30	-28
CuNi19	0.25	300	340	1135	8.9	<25	-32
CuNi23	0.30	300	350	1150	8.9	<16	-34
CuNi30	0.35	350	400	1170	8.9	<10	-37
CuNi34 (NC040)	0.40	350	410	1180	8.9	<8	-39
CuNi44	0.50	400	420	1200	8.9	<-6	-43

When it comes to High-Durability CuNi34 Copper Nickel Wire, we’re not just another supplier—we’re leading the pack. With over two decades of experience in alloy manufacturing, we’ve mastered the art of delivering products that exceed expectations. Here’s why we’re the best choice:

• Rock-Solid Quality Control: Every batch of our CuNi34 wire is put through rigorous testing for resistivity, tensile strength, and corrosion resistance. Our ISO 9001 certification means you’re getting quality you can bank on.

• Tailored Solutions: Need a specific wire size or form? We offer customized options, from fine wires to wide strips, to match your exact needs, whether it’s a one-off prototype or large-scale production.

• Lightning-Fast Delivery: With a production capacity of 200 tons per month and a slick supply chain, we can get your orders to you in as little as five days after payment.

• Cutting-Edge R&D: Our in-house research team stays ahead of the curve, ensuring our CuNi34 wire meets the demands of tomorrow’s applications.

• Green Manufacturing: We’re all about sustainability, using energy-efficient processes and recyclable packaging to help you hit your eco-friendly goals.

• Global Reach, Local Touch: We serve customers worldwide but keep things personal with dedicated support to ensure you get exactly what you need, wherever you are.

Compared to others in the market, our focus on precision, customization, and reliability sets us apart. Some suppliers skimp on quality or offer limited flexibility, but we go all-in to deliver a product that’s tough, easy to work with, and perfectly suited to your needs. Our advanced manufacturing techniques, like hydrogen annealing and precision cold drawing, ensure our CuNi34 wire performs flawlessly while saving you time and money during production.

For more details, pls directly contact us.

About Us:

Our 12,000㎡ factory is equipped with complete capabilities for research, production, testing, and packaging. We strictly adhere to ISO 9001 standards in our production processes, with an annual output of 1,200 tons. This ensures that we meet both quantity and quality demands. Furthermore, all products undergo rigorous simulated environment testing including high temperature, high pressure, and corrosion tests before being dispatched, ensuring they meet customer specifications. 

For all our clients, we offer timely and multilingual after-sales support and technical consulting, helping you resolve any issues swiftly and efficiently.

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FAQs：

1. What is High-Durability CuNi34 Copper Nickel Wire used for?
   It’s primarily used in desalination systems, heating cables, precision resistors, and electrical components for marine, chemical, and industrial applications.

2. Why is CuNi34 wire ideal for desalination systems?
   Its exceptional corrosion resistance and stable resistivity of 0.40 μΩ·m at 20°C ensure reliable performance in harsh, salty environments.

3. What are the key properties of CuNi34 wire?
   It offers a tensile strength of 410 MPa, superior corrosion resistance, a maximum working temperature of 350°C, and excellent weldability.

4. Can CuNi34 wire withstand aggressive marine environments?
   Yes, its high corrosion resistance makes it perfect for desalination plants and marine applications exposed to saltwater and chemicals.

5. What sizes is CuNi34 wire available in?
   It’s available in wire diameters from 0.05mm to 8mm, ribbons from 0.050.2mm to 2.06.0mm, and strips from 0.055.0mm to 5.0200mm.

6. How does CuNi34 wire compare to other copper-nickel alloys?
   With 34% nickel, it provides higher resistivity than CuNi30 but lower than CuNi44, offering a robust option for demanding applications.

7. Is CuNi34 wire easy to process?
   Absolutely, its high ductility and weldability make it easy to fabricate into various forms for manufacturing needs.

8. Which industries benefit most from CuNi34 wire?
   It’s widely used in desalination, marine, chemical processing, electronics, and aerospace industries for equipment, resistors, and heating elements.