Oxygen-Free Copper Tubes Electrical Electronic
Oxygen-free copper tubes are widely used in electrical and electronic systems where high electrical conductivity, efficient heat transfer, and material purity are critical.
Our oxygen-free copper tubes are specifically designed for power electronics, electronic cooling, and precision electrical components, ensuring stable performance under continuous thermal and electrical loads.
Manufactured from high-purity oxygen-free copper, these tubes deliver excellent thermal conductivity, low electrical resistance, and superior formability, making them ideal for modern electronic and electrical equipment.
Key advantages of oxygen free copper tubes
High Electrical Conductivity
Oxygen-free copper minimizes oxygen content, reducing electrical resistance and signal loss in electronic systems.Excellent Thermal Conductivity
Rapid heat dissipation for power modules, electronic cooling loops, and high-density electrical assemblies.Clean Internal Surface
Suitable for water or liquid cooling circuits in sensitive electronic environments.Good Bending and Forming Performance
Ideal for coil supply, automated bending, and compact electronic system layouts.Stable Performance Under Thermal Cycling
Reliable for long-term operation in power electronics and electrical equipment.
Typical Dimensions of oxygen-free copper tubes
Our oxygen-free copper tubes for electrical and electronic applications are available in a wide range of small to medium diameters and thin-wall configurations, optimized for thermal and electrical performance.
| Outer Diameter (mm) | Available Wall Thickness (mm) |
|---|---|
| 3.2 – 4.0 | 0.45 · 0.55 · 0.75 |
| 4.0 – 7.5 | 0.30 · 0.35 · 0.45 · 0.55 · 0.75 |
| 7.5 – 10 | 0.30 · 0.35 · 0.45 · 0.55 · 0.75 |
| 10 – 15.88 | 0.30 · 0.35 · 0.45 · 0.55 · 0.75 · 1.0 |
| 15.88 – 22.2 | 0.45 · 0.55 · 0.75 · 1.0 · 1.5 |
| 22.2 – 32 | 0.75 · 1.0 · 1.5 |
| 32 – 40 | 1.5 · 2.0 |
Notes：
Dimensions are optimized for electrical and electronic thermal management systems
Other OD / wall thickness combinations are available upon request
Material & Purity
Copper Purity: Minimum 99.99% high-purity copper
Oxygen Content: Typically ≤ 10 ppm
Material Type: Oxygen-Free Copper
Standard Equivalents:
OFHC copper (UNS C10200) – standard grade
OFE copper (UNS C10100) – available upon request for critical electrical and electronic applications
Applications
Oxygen-free copper tubes are commonly used in:
Power electronics cooling systems
IGBT and SiC module liquid cooling
Electronic heat exchangers and cold plates
Electrical equipment cooling circuits
High-current electrical assemblies
Precision electronic and electrical devices
Supply Forms & Processing
Straight lengths: 3 m, 6 m, or customized
Coiled tubes available for small diameters
Suitable for bending, forming, and integration into electronic systems
Custom specifications can be provided according to electrical and electronic system requirements.
