Durable Constantan 6J11 Alloy Wire for Low-Temperature Electrical Components

Our Durable Constantan 6J11 Alloy Wire is a high-performance material designed for low-temperature electrical components, sensors, and precision resistors. With an 11% nickel content, this copper-nickel alloy offers a perfect blend of resistivity, corrosion resistance, and thermal stability. It’s a go-to choice for industries like electronics, HVAC, and automotive, where reliable performance in mild environments is key. Available in diameters from 0.01mm to 3mm, our Constantan 6J11 wire is crafted with precision to meet the tightest tolerances, ensuring top-notch quality for your projects.

The wire’s resistivity—around 25 µΩ·cm at 20°C—makes it ideal for applications requiring balanced electrical performance, like sensors and resistors. It offers very good corrosion resistance for mild to moderately harsh environments and operates reliably up to 400°C. We’ve optimized our manufacturing process to deliver a wire that’s durable, consistent, and ready to perform in low-temperature electrical applications.

For more details, pls directly contact us.

Constantan 6J11 is a standout for its versatility and cost-efficiency. Its 11% nickel content gives it higher resistivity than lower-nickel alloys like CuNi6 or CuNi8, making it perfect for sensors and resistors in low to medium-temperature applications. Compared to high-nickel alloys like Constantan 6J40, it’s more affordable, offering similar durability at a lower cost. Its thermal conductivity (40 W/mK) ensures efficient heat transfer, critical for sensors and electrical components, while its tensile strength (300 MPa) provides durability under mechanical stress.

The wire’s low temperature coefficient of resistance (TCR) ensures stable electrical properties from -100°C to 400°C, making it ideal for low-temperature environments like HVAC systems or consumer electronics. Its very good corrosion resistance holds up well in mild to moderately harsh settings, such as indoor electrical systems or automotive components. For projects needing reliable performance on a budget, Constantan 6J11 is a top performer.

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

For more details, pls directly contact us.

The copper-nickel alloy market is growing steadily, driven by demand for reliable materials in electronics, automotive, and renewable energy sectors. Sensors and precision resistors are seeing increased adoption as industries prioritize real-time monitoring and energy efficiency. The global sensor market is projected to grow at a CAGR of around 6.5% through 2030, fueled by advancements in IoT, smart manufacturing, and electric vehicles (EVs).

Constantan 6J11 wire fits perfectly into this landscape. Its balanced resistivity and corrosion resistance make it an economical choice for sensors and resistors in applications that don’t require extreme temperatures or corrosion resistance. The rise of smart home devices, such as thermostats and climate control systems, is boosting demand for affordable materials like Constantan 6J11 for sensors and low-voltage components. Similarly, the growth of EVs and renewable energy systems is driving the need for reliable alloys for low-temperature applications.

Sustainability is a major trend shaping the industry. Companies are seeking eco-friendly materials to meet environmental regulations, and our Constantan 6J11 wire delivers. Produced with energy-efficient processes, it’s fully recyclable, helping you achieve green goals without compromising performance. The trend toward miniaturization in electronics is another driver, with industries demanding thinner wires for compact designs. Our ability to produce Constantan 6J11 wire as fine as 0.01mm keeps us ahead of the curve.

Emerging technologies, like IoT-enabled sensors and smart grids, are increasing the demand for affordable, reliable alloys. These systems rely on materials that balance cost and performance, and Constantan 6J11 is a perfect fit. As industries continue to innovate, the demand for precision alloys like this will keep growing.

Applications of Constantan 6J11 Alloy Wire

Our Constantan 6J11 wire is a versatile material with a wide range of applications. Here’s where it makes an impact:

• Sensors: Its stable electrical properties and corrosion resistance make it ideal for temperature and pressure sensors in HVAC, consumer electronics, and industrial automation.

• Precision Resistors: The wire’s resistivity is perfect for resistors in automotive, telecommunications, and consumer goods, ensuring accurate performance.

• Low-Temperature Electrical Components: Used in low-voltage circuit breakers and connectors for appliances and automotive systems, it delivers reliable performance.

• HVAC Systems: Its accuracy and durability make it a staple in sensors for thermostats and climate control units.

• Automotive Components: From EV battery sensors to climate control systems, it ensures reliability in mild to moderately harsh environments.

• Renewable Energy: In solar and wind energy systems, it’s used in low-temperature sensors and electrical components that require cost-effective materials.

Its flexibility also makes it suitable for custom applications, like conductive elements and low-voltage resistors, where reliability and affordability are essential.

Comparison Table: Constantan 6J11 vs. Constantan 6J40 vs. CuNi6 vs. CuNi8

Property	Constantan 6J11	Constantan 6J40	CuNi6	CuNi8
Nickel Content (%)	11	40	6	8
Resistivity at 20°C (µΩ·cm)	25	49	15	20
Max Operating Temp (°C)	400	600	300	350
Thermal Conductivity (W/mK)	40	23	50	45
Tensile Strength (MPa)	300	420	250	260
Corrosion Resistance	Very Good	Excellent	Good	Very Good
Applications	Sensors, resistors, low-temp components	Thermocouples, resistors	Thermocouples, resistors	Sensors, resistors
Cost Efficiency	High	Moderate	High	High

We’re not just a supplier—we’re a leader in delivering high-quality Constantan 6J11 Alloy Wire. Here’s why we stand out:

• Precision Manufacturing: Our advanced processes produce wires with tight tolerances, from 0.01mm to 3mm in diameter, ensuring consistent performance for your applications.

• Custom Solutions: We offer fully customizable wire sizes and configurations to meet your specific needs, whether for sensors, resistors, or electrical components.

• Rigorous Quality Control: Every batch undergoes extensive testing in our state-of-the-art labs, meeting ASTM and ISO9001 standards for chemical and physical properties.

• Global Expertise, Local Support: With over 40 years of experience, we export to more than 70 countries and provide dedicated support to ensure your projects succeed.

• Eco-Friendly Production: Our energy-efficient processes and recyclable materials help you meet sustainability goals without sacrificing quality.

• Fast Delivery: Our streamlined production and logistics ensure quick turnaround times, even for custom orders, keeping your projects on schedule.

Compared to others, our focus on precision, customization, and sustainability gives us a clear edge. We deliver a product that’s tailored to your needs and built to perform reliably in low-temperature applications.

Looking Forward

The future of Constantan 6J11 Alloy Wire is promising. As industries like electronics, automotive, and renewable energy continue to grow, the demand for cost-effective, high-performance alloys will rise. We’re committed to staying ahead, investing in R&D to enhance our wire’s properties and meet emerging demands. From developing finer wires for compact sensors to improving electrical stability for next-generation applications, we’re always innovating.

Our Constantan 6J11 wire is a key component in the systems driving modern industries. From sensors in smart home devices to resistors in EV systems, it’s a small but essential part of the bigger picture. We’re excited to support our customers in building efficient, reliable solutions for the future.

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.

Client Visits

Building Stronger Partnerships

We support all kinds of testing:

FAQs：

1. What is Durable Constantan 6J11 Alloy Wire used for?
   It’s used for low-temperature electrical components, sensors, and resistors in industries like electronics, HVAC, and automotive.

2. Why is Constantan 6J11 ideal for low-temperature applications?
   Its stable electrical properties and good corrosion resistance ensure reliable performance in mild, low-temperature environments.

3. Which industries rely on Constantan 6J11 Wire?
   Electronics, HVAC, automotive, renewable energy, and consumer goods use it for sensors, resistors, and low-temperature components.

4. How does Constantan 6J11 compare to other copper-nickel alloys?
   With 11% nickel, it offers higher resistivity than CuNi6 and better cost-efficiency than Constantan 6J40 for low-temperature uses.

5. What are the temperature limits for Constantan 6J11 Wire?
   It operates reliably from -100°C to 400°C, ideal for low to medium-temperature applications.

6. Is Constantan 6J11 resistant to corrosion?
   Yes, it provides very good corrosion resistance in mild to moderately harsh environments, like indoor electronics or HVAC systems.

7. Can Constantan 6J11 Wire be customized for specific projects?
   We offer customizable wire diameters, from 0.01mm to 3mm, tailored to meet your project requirements.

8. What’s the lifespan of Constantan 6J11 in electrical components?
   With proper use, it delivers consistent performance for years in low-temperature, low-corrosion settings.