Oxygen-Free Copper (OF Copper – C10200) is a high-purity copper grade produced in a controlled oxygen-free atmosphere, resulting in extremely low oxygen content (typically ≤ 0.001%).
This process eliminates copper oxide formation, delivering exceptional electrical and thermal conductivity, excellent ductility, and superior reliability in high-vacuum, high-temperature, and hydrogen-sensitive environments.
Typical Chemical Composition
| Element | Typical % |
|---|---|
| Copper (Cu) | ≥ 99.95 |
| Oxygen (O) | ≤ 0.001 |
| Other impurities | < 0.01 |
Key Physical Properties
| Property | Typical Value |
|---|---|
| Density | 8.94 g/cm³ |
| Melting Point | 1083 °C |
| Electrical Conductivity | ~101% IACS |
| Thermal Conductivity | 390 – 401 W/m·K |
| Magnetic Behavior | Non-magnetic |
| Crystal Structure | FCC |
Key Characteristics
✔ Exceptional electrical conductivity
✔ Superior thermal conductivity
✔ Excellent ductility and formability
✔ No hydrogen embrittlement
✔ High resistance to oxidation and corrosion
✔ Stable in vacuum and high-temperature environments
Refining & Metallurgical Behavior
C10200 copper is refined and cast in oxygen-free or inert-gas atmospheres, ensuring minimal gas content and preventing oxide formation.
✔ Extremely low impurity levels (S, Pb, P)
✔ No precipitation or age hardening
✔ Strength developed only through cold working
✔ Annealing fully restores ductility
Typical Applications
Electrical & Electronics
High-performance conductors
Bus bars and terminals
Precision electrical components
Vacuum & High-Purity Systems
Vacuum chambers
Particle accelerators
Semiconductor equipment
Thermal Applications
Heat sinks
Thermal plates
High-efficiency heat exchangers
Advantages of Oxygen-Free Copper
✔ Near-perfect electrical conductivity (~101% IACS)
✔ Superior heat transfer capability
✔ Outstanding ductility and weldability
✔ No hydrogen embrittlement risk
✔ Longer service life than ETP copper
✔ Premium-grade reliability
Why Choose Oxygen-Free Copper (C10200)?
Choose OF Copper when your application demands maximum electrical and thermal performance, absolute reliability in vacuum or hydrogen environments, and long-term metallurgical stability.