CuNi1 Alloy Round Bar with Stable Mechanical Properties

CuNi1 alloy round bar is a copper-based material with approximately 1% nickel content. It stands out for its stable mechanical properties, excellent conductivity, and consistent performance in both industrial and electrical applications. For industries requiring precision, reliability, and long service life, CuNi1 round bars provide an optimal balance of properties.

At DLX, we manufacture CuNi1 alloy round bars that not only meet but exceed international quality standards. With strict process control and advanced production technology, we ensure that every piece of CuNi1 material is uniform, stable, and ready to perform under demanding conditions.

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The demand for copper-nickel alloys, particularly low-nickel grades like CuNi1, is increasing as industries require materials that combine conductivity with durability. While pure copper remains widely used, its limitations in corrosion resistance and mechanical stability make copper-nickel alloys a better option in many modern applications.

In the electronics industry, precision is everything. CuNi1 alloy, with its excellent machinability and electrical properties, ensures components are both efficient and durable. In marine and telecommunications systems, resistance to oxidation and corrosion adds another layer of reliability. This makes CuNi1 a versatile alloy suitable for diverse industries.

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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• Electrical Connectors – Offering high conductivity and reliability in sensitive circuits.

• Precision Instruments – Ideal for use in measuring devices requiring stable mechanical properties.

• Resistors and Electrical Components – Ensures consistent resistance values under variable conditions.

• Telecommunications Equipment – Reliable material for connectors and transmission elements.

• Marine Applications – Provides protection against corrosion in mildly aggressive environments.

• Automotive Electrical Systems – Used in connectors, switches, and other precision components.

With the rapid growth of smart electronics, renewable energy, and telecommunications infrastructure, the need for alloys like CuNi1 is expanding. Increasingly, industries demand materials that can handle miniaturization without losing strength or reliability. CuNi1’s balance of machinability and durability makes it highly relevant in this landscape.

Another trend is sustainability. Copper-nickel alloys, including CuNi1, are recyclable and align with global goals of reducing waste and promoting circular manufacturing processes. This environmental advantage further boosts their adoption in high-tech industries.

Comparison Table

CuNi1 is distinct for its very high conductivity and stable mechanical properties. Compared to CuNi2 and CuNi6, it is better suited for applications where electrical performance is more critical than extreme corrosion resistance. However, in environments with more aggressive corrosion risks, CuNi6 might be the better option. This clear distinction helps engineers and manufacturers choose the right alloy for their specific requirements.

DLX has built its reputation on delivering precision-engineered copper-nickel alloys tailored to meet diverse industrial needs. Our CuNi1 alloy round bars offer:

• Superior Quality – Manufactured under strict quality systems to ensure stability and uniformity.

• Customization – Dimensions, tolerances, and surface finishes adapted to customer specifications.

• Global Standards Compliance – Meeting ASTM, DIN, and EN standards for consistency and safety.

• Technical Expertise – Guidance and consultation to help clients select the right alloy.

• Reliable Supply Chain – On-time deliveries supported by efficient logistics networks worldwide.

• Proven Performance – Long-term reliability in applications across electrical, marine, and industrial sectors.

• Electronics Manufacturer in Europe – Used DLX CuNi1 bars in precision connectors, achieving long-term reliability and reduced maintenance costs.

• Telecommunications Project in Asia – Incorporated CuNi1 for components requiring stable conductivity in variable environmental conditions.

• Automotive Supplier in North America – Selected DLX CuNi1 bars for high-precision electrical parts, enhancing durability in automotive electronics.

As industries evolve toward more complex electrical systems, the role of copper-nickel alloys will continue to expand. CuNi1, with its unique balance of conductivity, corrosion resistance, and machinability, will remain essential in next-generation electronics, telecommunications, and marine applications.

DLX is committed to leading this growth by continuously investing in research, production technology, and customer-focused services. By maintaining a forward-looking approach, DLX ensures that clients can always access advanced materials that keep them competitive in their respective industries.

Conclusion
CuNi1 alloy round bar offers unmatched stability, conductivity, and durability, making it a cornerstone material in modern electrical and industrial applications. Its ability to perform under variable conditions without compromising on precision makes it an indispensable material in today’s industries.

At DLX, we bring more than just copper-nickel alloy bars—we bring assurance of quality, expertise, and global support. Choosing DLX for CuNi1 alloy round bars means choosing a partner dedicated to delivering excellence in every aspect of supply and service.

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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 primary composition of CuNi1 alloy?
  It is primarily copper with approximately 1% nickel content.

• What makes CuNi1 alloy suitable for industrial use?
  Its stable mechanical properties and good electrical conductivity make it reliable for precision components.

• Is CuNi1 alloy resistant to corrosion?
  Yes, it provides strong resistance to corrosion in neutral and mildly aggressive environments.

• Can CuNi1 round bar be used in electrical applications?
  Yes, it is widely used in connectors, conductors, and precision electronics.

• How does CuNi1 compare to higher nickel alloys?
  It has better conductivity but slightly lower corrosion resistance compared to higher nickel grades.

• Does CuNi1 alloy perform well at high temperatures?
  Yes, it maintains mechanical stability under elevated temperature conditions.

• What industries commonly use CuNi1 alloy round bars?
  Electronics, instrumentation, telecommunications, marine, and automotive.

• Is CuNi1 alloy easy to machine and fabricate?
  Yes, it offers good machinability and can be shaped to meet precise specifications.