C10200 Oxygen-Free Copper Manufacturer & Supplier
Oxygen-free high conductivity copper. Same conductivity as ETP but with the oxygen removed, so it survives hydrogen brazing, high vacuum and deep drawing without embrittlement — the grade specified for vacuum interrupters and RF work.
UNS: UNS C10200 / CW008A Cu-OF | Category: Oxygen-Free Copper
Size Range
Outer Diameter: Sheet 0.5-20 mm · busbar 3-40 mm · rod 6-80 mm · tube to drawing
Chemical Composition (%)
| Cu | O | P |
|---|---|---|
| 99.95 min | 0.001 max | nil |
Mechanical Properties
- Tensile Strength
- 200-250 MPa (annealed)
- Yield Strength
- 70 MPa (annealed)
- Elongation
- 45%
- Hardness
- 40-50 HV annealed
Applicable Standards
- ASTM B187
- ASTM B152
- ASTM B75
- ASTM B280
- EN 10204 3.1
Applications
- Vacuum interrupter and tube components
- Hydrogen-brazed heat sinks
- Waveguides and RF conductors
- Cryogenic and accelerator components
- Deep drawn electrical parts
Industries Served
- Electrical & Electronics
- Power & Energy
- Defence
- Aerospace
- Research & Scientific
- Semiconductors
Equivalent Grades
- CW008A
- CW008A
- Cu-OF
- Cu-OF
- C10200
- C10200
- OFHC
- OFHC
- JIS C1020
- JIS C1020