Durable C70700 CuNi10 Wire for Industrial Resistors and Fuses
Our Durable C70700 CuNi10 Wire is a top choice for industrial resistors and fuses, delivering reliable performance in demanding electrical applications. Made from 90% copper and 10% nickel with a purity of 99.9%, this alloy offers a perfect balance of electrical resistivity, corrosion resistance, and durability. From high-power industrial circuits to marine sensors, our CuNi10 wire is built to handle tough conditions. Let’s dive into what makes this wire stand out, explore the industry trends driving its demand, and see how it’s applied across various sectors.
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Our C70700 CuNi10 Wire is engineered for precision and toughness. With a purity of 99.9%, this wire has a melting point of approximately 1100°C, a density of 8.9 g/cm³, and a tensile strength of 300 MPa. Its hardness (80 HV in soft state) ensures flexibility for easy handling, while its electrical resistivity of 15.0 µΩ·cm at 20°C makes it ideal for resistors and fuses requiring consistent performance.
We offer this wire in a range of diameters, from ultra-fine 0.05 mm to larger sizes, and can customize lengths and coatings to fit your needs. Our manufacturing process complies with ASTM B206 standards, and every spool undergoes rigorous quality checks to ensure reliability and performance. We package them securely in spools or padded cartons for safe delivery worldwide.
The copper-nickel alloy’s corrosion resistance is a key feature. The 10% nickel content enhances durability against moisture, chemicals, and high temperatures, making it perfect for industrial resistors and fuses. Compared to pure copper, our CuNi10 wire offers better corrosion resistance and thermal stability, ensuring long-term performance in challenging environments.
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 |
0.05 | 200 | 220 | 1090 | 8.9 | ＜120 | -12 | |
0.1 | 220 | 250 | 1095 | 8.9 | ＜60 | -18 | |
0.12 | 250 | 270 | 1097 | 8.9 | ＜57 | -22 | |
CuNi10 | 0.15 | 250 | 290 | 1100 | 8.9 | ＜50 | -25 |
0.2 | 300 | 310 | 1115 | 8.9 | ＜30 | -28 | |
0.25 | 300 | 340 | 1135 | 8.9 | ＜25 | -32 | |
CuNi23 | 0.3 | 300 | 350 | 1150 | 8.9 | ＜16 | -34 |
0.35 | 350 | 400 | 1170 | 8.9 | ＜10 | -37 | |
0.4 | 350 | 400 | 1180 | 8.9 | 0 | -39 | |
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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Copper is great, but adding 10% nickel makes our CuNi10 wire a cut above. The nickel boosts corrosion resistance and strength, making it tougher than CuNi6 or pure copper while maintaining excellent electrical properties. Compared to stainless steel, our wire offers better resistivity for resistor and fuse applications and superior corrosion resistance in harsh environments. While pure copper is cheaper and more conductive, it corrodes easily, whereas our CuNi10 wire delivers long-term reliability.
Customization is our strength. Need a fine wire for a precision resistor? We’ve got it covered. Want a specific length for a fuse assembly? No problem. Our advanced manufacturing techniques, like precision wire drawing and alloy processing, ensure tight tolerances that meet the strictest industry standards.
Industry Analysis
The market for copper-nickel alloys, including our C70700 CuNi10 wire, is growing steadily. Industry estimates value the market at around $1.2 billion in 2025, with a compound annual growth rate (CAGR) of about 5.8% from 2020 to 2025. The electronics industry is a major driver, as demand for high-reliability resistors and fuses grows in industrial automation, renewable energy, and automotive applications. The push for energy-efficient systems, like smart grids and electric vehicles, is increasing the need for durable, high-performance materials.
Marine and chemical processing sectors are also contributing to growth, using CuNi10 wires for their corrosion resistance in harsh environments. Emerging trends, like IoT-enabled devices and advanced sensor technologies, are driving demand for precision materials that ensure reliable performance. The rise of green technologies, such as solar and wind energy systems, is creating new opportunities for our wires in resistors and heating elements.
Supply chain challenges, like fluctuating copper prices, can be a hurdle, but we’ve optimized our sourcing to ensure competitive pricing and consistent availability. Advances in manufacturing, such as high-precision wire drawing and alloy optimization, allow us to produce customized wires with exceptional accuracy. Sustainability is a growing focus, and we’re committed to minimizing waste through efficient production processes.
Applications
Our C70700 CuNi10 Wire is versatile and built for high-performance applications. Here’s where it shines:
Industrial Resistors: Its high resistivity and thermal stability make it ideal for precision resistors in industrial circuits.
Fuses: Our wire ensures reliable performance in high-power fuse applications, protecting circuits from overloads.
Heating Elements: Used in industrial heating systems, our wire delivers consistent performance in high-temperature environments.
Marine Equipment: Its corrosion resistance makes it perfect for sensors and connectors in marine applications.
Chemical Sensors: Our wire is used in sensors monitoring corrosive chemicals, ensuring durability and accuracy.
Automotive Systems: Its reliability makes it suitable for resistors and sensors in electric and hybrid vehicles.
Renewable Energy: Our wire supports resistors and heating components in solar and wind energy systems.
Research Applications: Scientists rely on our wire for experiments requiring corrosion-resistant, thermally stable materials.
Our Company’s Advantage
Our C70700 CuNi10 Wire is designed to lead the industry. Customization is our forte—whether it’s a specific diameter, length, or coating, we tailor our wires to your exact needs. Our state-of-the-art facilities use cutting-edge techniques like precision wire drawing and alloy processing to achieve tolerances that meet the toughest industry standards.
Quality is our cornerstone. Every wire complies with ASTM B206 standards and undergoes rigorous testing to ensure consistency, reliability, and performance. Our team of material scientists and engineers is always available to provide technical support, from design to delivery. We also offer competitive pricing and fast lead times, making high-performance wires accessible without breaking your budget.
Sustainability is part of our core. We source materials responsibly and optimize our processes to reduce waste, aligning with the industry’s push for greener practices. Our global supply chain ensures reliable delivery, and we package every order securely to prevent damage. Compared to others, our focus on customization, quality, and sustainability makes us the top choice for CuNi10 wire.
Comparison Parameters Table
Parameter | C70700 CuNi10 Wire | CuNi6 Wire | Pure Copper Wire | Stainless Steel Wire |
|---|---|---|---|---|
Composition | 90% Cu, 10% Ni | 94% Cu, 6% Ni | 99.9%+ Cu | Fe, Cr, Ni |
Purity | 99.9% | 99.9% | 99.9%+ | Varies |
Melting Point (°C) | ~1100 | ~1080 | ~1085 | ~1400–1450 |
Density (g/cm³) | 8.9 | 8.9 | 8.96 | ~7.8–8.0 |
Hardness (HV, Soft) | 80 | 75 | ~40–50 | ~150–200 |
Tensile Strength (MPa) | 300 | 280 | ~200–250 | ~500–700 |
Corrosion Resistance | Excellent | Very Good | Moderate | Good |
Electrical Resistivity (µΩ·cm at 20°C) | 15.0 | 12.0 | ~1.68 | ~70–75 |
Applications | Resistors, fuses, heating elements | Resistors, sensors | Electrical wiring, circuits | Industrial, structural |
Cost | Moderate | Moderate | Low | Low |
Customizability | High | High | Moderate | High |
Our Durable C70700 CuNi10 Wire is built for industrial resistors and fuses that demand reliability and precision. With excellent corrosion resistance, electrical resistivity, and customization options, it delivers top-tier performance for electronics, marine, and renewable energy applications. Backed by our commitment to quality, innovation, and customer support, we’re here to help your project succeed. Need a wire that fits your resistor or fuse design perfectly? Reach out today, and let’s create something extraordinary with the best CuNi10 wire on the market.
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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：
What is the composition of your C70700 CuNi10 Wire?
Our C70700 CuNi10 wire consists of 90% copper and 10% nickel, with a purity of 99.9% for reliable performance.What makes C70700 CuNi10 wire suitable for resistors and fuses?
Its high electrical resistivity, corrosion resistance, and thermal stability ensure consistent performance in high-demand circuits.What are the main applications of C70700 CuNi10 wire?
It’s used in industrial resistors, fuses, heating elements, marine equipment, and precision sensors.Can you customize C70700 CuNi10 wire for specific needs?
Yes, we offer custom diameters, lengths, and coatings to meet specific resistor and fuse requirements.How does C70700 CuNi10 wire perform in harsh environments?
It resists corrosion from moisture, chemicals, and high temperatures, ensuring durability in industrial settings.What industry trends are driving demand for C70700 CuNi10 wire?
The market is growing at a 5.8% CAGR, driven by demand in electronics, renewable energy, and industrial automation.How do you ensure the quality of your C70700 CuNi10 wire?
We comply with ASTM B206 standards, use advanced manufacturing, and conduct rigorous testing for quality.Why choose C70700 CuNi10 over other materials for resistors and fuses?
Its balanced resistivity, corrosion resistance, and strength outperform materials like pure copper or stainless steel.