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C77000 Copper Heat Pipes

C77000 copper tubes have high strength, excellent corrosion resistance, good electrical and thermal conductivity and hot and cold machinability, and are suitable for use in harsh environments and the manufacture of precision components.
Excellent corrosion resistance
High strength and fatigue resistance
Good processability
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Introduction
C77000 Copper Heat Pipes

C77000 copper tube is a high performance copper-nickel-zinc alloy tube with excellent corrosion resistance, high strength and good electrical and thermal conductivity. Its nickel and zinc content significantly improves the resistance to stress corrosion and dezincification, which is particularly suitable for harsh environments such as marine, chemical or industrial atmospheres. At the same time, its tensile strength of up to 700-850 MPa, able to withstand long-term dynamic loads and repeated mechanical stress, suitable for heat exchangers, marine piping, precision mechanical components and other demanding scenarios of strength and durability. In addition, the material has excellent electrical and thermal conductivity, and is often used in electrical equipment and heat dissipation systems.

C77000 copper tube has both excellent hot and cold processing performance, can be cold drawn, extruded and other ways to form a complex tubular structure, and after processing the surface is smooth, dimensional stability, easy to manufacture precision parts. Its weldability and cutting performance are good, reducing processing costs and maintenance difficulties. In addition, the material’s mechanical properties increase rather than decrease at low temperatures (e.g., near absolute zero), making it suitable for special low-temperature engineering applications. With its comprehensive performance advantages, C77000 copper tube is widely used in shipbuilding, energy equipment, chemical piping and high-end instruments, balancing the needs of reliability and functionality.

parameter
Physical Properties
Melting Point – Liquidus°F 1930
Densitylb/cu in. at 68°F 0.314
Specific Gravity 8.7
Electrical Conductivity% IACS at 68°F 5.5
Thermal ConductivityBtu/ sq ft/ ft hr/ °F at 68°F 17
Coefficient of Thermal Expansion 68-57210 to -6 power per °F (68 – 572°F) 9.3
Specific Heat CapacityBtu/ lb /°F at 68°F 0.09
Modulus of Elasticity in Tensionksi 18000
Modulus of Rigidityksi 6800
Advantages
Advantages of C77000 Copper Heat Pipes
Our case presentation
Applications for C77000 Copper Heat Pipes
Heat Exchanger
Due to its good thermal conductivity and corrosion resistance, C77000 copper tubes are commonly used in the manufacture of high-efficiency heat exchangers, especially for heat exchange equipment in marine environments.
Shipbuilding
Suitable for ship piping system, especially seawater cooling system, it can resist the corrosion of seawater and prolong the service life.
Chemical industry
In chemical plants, it is used to transport corrosive chemicals to ensure the safety and stability of the piping system.
Power Transmission
With its excellent electrical conductivity, C77000 copper tubes are widely used as conductive parts in power transmission equipment and electronic devices.
Strength
Company Strength
Our Team
Gnee steel group is a professional one-stop supply chain company for steel products in China. The copper technology has reached the world average technology level and has been approved by dozens of project companies to be the star company in Asia.
Established in 2008 with a registered capital of 5 million RMB, Gnai has made remarkable progress and development in the steel market. At present, the company has a total investment of 30 million yuan, a plant area of more than 35,000 square meters and more than 200 employees. With a clear strategic framework, a complete governance structure, a solid management foundation, and strong financial and human resources, the company is becoming the most professional internationalized steel supply chain company in the Central Plains.
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What Are Your Company’s Main Products?
Our main products are copper plate/sheet, coil, round/square pipe, bar, etc.
How Do You Control Quality?
Mill Test Certification is supplied with shipment, Third Party Inspection is available. and we also get ISO,SGS,Alibaba Verified.
What Are The Advantages Of Your Company?
We have many professionals, technical personnel, more competitive prices and best after-dales service than other copper companies.
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