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C11000 copper, also known as Electrolytic Tough Pitch (ETP) Copper, is a high-conductivity copper alloy with a minimum copper content of 99.90%. It is widely used in electrical, plumbing, and industrial applications due to its excellent electrical and thermal conductivity, corrosion resistance, and formability.
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Chemical Composition of C11000 Copper
|
Element |
Composition (%) |
|
Copper (Cu) |
99.90 (min) |
|
Oxygen (O) |
0.02 - 0.04 |
The presence of oxygen (O) improves conductivity but makes it susceptible to hydrogen embrittlement, limiting its use in reducing atmospheres.
Key Properties of C11000 Copper Tube
1) High Electrical & Thermal Conductivity
Electrical conductivity: IACS 100% (International Annealed Copper Standard).
Thermal conductivity: Ideal for heat transfer applications such as heat exchangers and refrigeration systems.
2) Excellent Corrosion Resistance
High resistance to atmospheric corrosion, making it suitable for indoor and outdoor applications.
Resistant to freshwater, steam, and most non-oxidizing acids.
3) Good Formability & Workability
Easily drawn, bent, and fabricated for various industrial needs.
Compatible with brazing, soldering, and welding, though oxygen content may cause embrittlement in some processes.
4) Cost-Effective & Widely Available
More affordable compared to oxygen-free copper (e.g., C10100, C10200).
Readily available in standard tubing sizes for plumbing, electrical, and industrial applications.
Applications of C11000 Copper Tube
1) Electrical & Power Systems
Used in busbars, power cables, electrical connectors, and grounding systems.
Preferred for electrical wiring due to its high conductivity and cost-effectiveness.
2) Plumbing & HVAC Systems
Commonly used in water supply, drainage, and refrigeration systems.
Ideal for air conditioning and heat exchanger applications due to its thermal efficiency and corrosion resistance.
3) Industrial & Manufacturing Applications
Used in welding tips, roofing materials, and conductive components.
Found in transformers, motors, and switchgear due to its electrical properties.
4) Automotive & Transportation
Applied in radiators, brake tubing, and cooling systems.
Used in electric vehicle (EV) components for optimal electrical performance.
Advantages of C11000 Copper Tube
✅ High electrical conductivity (IACS 100%) for power transmission.
✅ Excellent corrosion resistance for long-term durability.
✅ Good thermal conductivity, ideal for heat exchangers and HVAC systems.
✅ Easily formable and solderable, making it versatile in applications.
✅ Cost-effective compared to high-purity oxygen-free copper grades.
Conclusion
C11000 copper tubes are a reliable and economical choice for electrical, plumbing, and industrial applications. Their high conductivity, corrosion resistance, and ease of fabrication make them widely used in power distribution, HVAC systems, automotive components, and construction. Whether for electrical wiring, heat exchangers, or plumbing, C11000 copper tubing remains a preferred material for various industries.
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