CuNi Wire for Efficient Heating and Thermocouple Systems

Our CuNi wire is a powerhouse for heating and thermocouple systems, built to deliver top-notch performance where precision and reliability matter most. This copper-nickel alloy is our go-to for applications that need to handle heat and provide accurate temperature readings without breaking a sweat.

Let’s start with its heating chops. CuNi wire is rock-solid at high temperatures, staying stable up to 400°C for most grades, and even hitting 500°C for alloys like CuNi30Mn. That makes it perfect for industrial heating cables, furnace elements, and HVAC systems. Its consistent electrical resistivity ensures your heating setup runs efficiently without unexpected hiccups.

For thermocouples, CuNi wire is a star player, especially in alloys like CuNi44 used in Type T thermocouples. It delivers precise, stable thermoelectric performance, so you get accurate temperature readings in everything from aerospace components to energy plants. Whether you’re monitoring a turbine or a chemical reactor, this wire won’t let you down.

Corrosion resistance is another big win. With nickel content ranging from 10% to 44%, plus additives like iron in CuNi10 Fe, this wire holds up in tough environments—think humid industrial settings or salty marine conditions. It’s why we see it in coastal power plants and offshore rigs, where other materials would rust out fast.

We also love how easy CuNi wire is to work with. It’s super formable, so you can bend, weld, or shape it into whatever your system needs—wire, strip, or ribbon. Need a custom nickel blend for specific resistivity? We’ve got you covered with tailored options to match your project’s demands.

• High thermal stability for consistent heating performance

• Precise electrical resistivity for accurate thermocouple readings

• Strong corrosion resistance in challenging environments

• Excellent formability for flexible manufacturing

• Durable with minimal maintenance requirements

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The industry’s trending toward materials that balance performance with sustainability, and CuNi wire fits right in. It’s recyclable, which is great for eco-conscious projects, and its durability means fewer replacements and less waste. As sectors like energy and automotive push for efficient, long-lasting solutions, CuNi is becoming a must-have.

Compared to alternatives, CuNi wire holds its own. Pure copper’s great for conductivity but can’t handle heat or corrosion like CuNi. Chromel’s a thermocouple staple but lacks CuNi’s corrosion resistance in wet environments. Iron’s cheaper but rusts easily, making CuNi the better pick for reliability.

We craft our CuNi wire to meet strict standards like ISO 9001, ensuring you get quality you can trust every time. Whether you’re building heating systems or precision thermocouples, our wire’s ready to perform. Got a unique spec? Just let us know, and we’ll make it happen.

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. We also provide chemical analysis reports for every FeCrAl alloy, NiCr alloy, and other products purchased.

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

What makes CuNi wire good for heating systems?
Its high thermal stability (up to 400-500°C depending on the grade) and consistent resistivity ensure efficient, reliable performance in heating cables and elements.

Why use CuNi wire in thermocouples?
CuNi alloys, like CuNi44, have stable thermoelectric properties, making them ideal for accurate temperature measurements in thermocouples across industries.

Can CuNi wire resist corrosion in heating applications?
Absolutely, the nickel content (e.g., 10% in CuNi10 or 44% in CuNi44) provides excellent resistance to corrosion, even in humid or chemical-heavy environments.

What industries rely on CuNi wire for heating and thermocouples?
It’s widely used in industrial furnaces, HVAC systems, aerospace, automotive, and energy sectors for heating and temperature-sensing applications.

Is CuNi wire cost-effective for these systems?
While it’s pricier than some alternatives, its durability and low maintenance make it a smart long-term investment for critical heating and thermocouple setups.

How does CuNi wire compare to other thermocouple materials?
Compared to materials like iron or chromel, CuNi offers better corrosion resistance and stability in harsh conditions, though it may have slightly lower sensitivity in some thermocouple types.

Can you customize CuNi wire for specific heating needs?
Yep, we can adjust nickel content or supply it as wire, strip, or ribbon to meet precise resistivity or dimensional requirements for your system.

Is CuNi wire environmentally friendly?
It’s recyclable, supporting sustainable practices, and its long lifespan reduces the need for frequent replacements, cutting down on waste.