Cu-OFE (CW009A / C10100) is an oxygen-free electrolytic copper alloy with a purity level of 99.99%. Also known as “Oxygen-Free Electronic” (OFE) copper, this material is preferred in the most sensitive industrial applications thanks to its exceptional electrical and thermal conductivity, high ductility, and resistance to hydrogen embrittlement.
Its gas-free and highly pure structure—achieved through vacuum melting—makes it a reliable choice in industries that require ultra-clean materials such as electronics, cryogenics, aerospace, and nuclear technology.
Technical Advantages:
- Ultra-high electrical conductivity (≥ 101% IACS)
- Excellent thermal conductivity
- Resistance to hydrogen embrittlement
- High purity level (minimum 99.99% Cu)
- Easy formability and weldability
- Superior performance at cryogenic temperatures
Main Application Areas:
Electronics & Electrotechnics: High-frequency conductors, RF cables, connectors
Aerospace & Space Technology: Vacuum systems, satellite components, radar systems
Cryogenic Engineering: Superconducting magnet systems, liquid helium/nitrogen lines
Medical & Scientific Equipment: MRI systems, particle accelerator components
High-Purity Applications: Semiconductor manufacturing equipment, vacuum tubes
Standards and Compliance:
EN: CW009A
ASTM / UNS: C10100
Common Alternative Names:
OFE Copper, High-Purity Copper, Oxygen-Free Copper
All products are processed through high-precision manufacturing steps and shipped with chemical analysis reports, conductivity values, and full traceability certificates.
CHEMICAL COMPOSITION
| Cu | O |
|---|---|
| % 99,99 | max 0,0005 |
SUPPLIED FORM
| EN | ASTM | AMS | DIN | RWMA |
|---|---|---|---|---|
| CW009A | C10100 |
APPLICATIONS
- Rotor Bars and Short Circuit Ring
- Continous Casting Molds
- Circuit Breaker Switches
- Electrical Components
AVALIABLE STANDART
- Rings
- Plates
- Discs
- Tubes
- Round bars
- Square bars
- Rectangular bars
- Hexagon bars
- Custom shapes are available upon request.
PHYSICAL PROPERTIES
| Density | Specific Heat | Electrical Conductivity | Electrical Conductivity (I.A.C.S.) | Thermal Conductivity |
|---|---|---|---|---|
| 8.9 g/mm3 | 0.39 J/g.K | min. 58 MS/m | min. 100% | 394 W/m.K |
MECHANICAL PROPERTIES
| MATERIAL CONDITION | Tensile Strenght Rm N/mm² | Yield Strengh Rp 0,2 N/mm² | Elongation (A5) % | Hardness (Brinell) HB30 |
|---|---|---|---|---|
| EXTRUDED | min. 180 | min. 150 | min. 10 | min. 65 |
| FORGED | min. 200 | min. 100 | min. 25 | min. 35 |
1. Electrical & Electronics Industry
High-purity conductive busbars
Relay, terminal, and connector components
Anode material for PCB manufacturing
Winding wire for electric motors and transformers
2. Squirrel-Cage Motors & Generators
Short-circuit rings and rotor bars for induction motors and generators
3. Vacuum and Gas-Free Environment Systems
UHV (Ultra-High Vacuum) systems
Nuclear research equipment
Connection components for particle accelerators
4. Heat Transfer Systems
Cooling plates and heat exchangers
Heat pipes and thermoelectric modules
Copper blocks used in laser cooling systems
5. Aerospace & Space Industry
Conductive elements for critical electronic components
Systems requiring electromagnetic interference (EMI/RFI) protection
Components demanding ultra-high purity and low outgassing
