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C102
Copper 102 – Oxygen-Free (OF) Pipe
C10200 / CW008A
Overview
Copper 102 is an oxygen-free high-conductivity copper produced by induction melting under non-oxidizing conditions. With a minimum 99.95% copper content and a maximum of only 10 ppm oxygen, Copper 102 is free from hydrogen embrittlement when heated in reducing atmospheres.
Chemical Composition
| Element | Min | Max |
|---|---|---|
| Copper (Cu) | 99.95% | — |
| Oxygen (O) | — | 0.001% (10 ppm) |
Alloy Designations
UNSC10200
DIN2.0040
BS 2871C103
ENCW008A
ASTMB187, B152, B188
Mechanical Properties
Tensile Strength (½ Hard)42 ksi (290 MPa)
Yield Strength (½ Hard)36 ksi (248 MPa)
Elongation (½ Hard)14%
Rockwell Hardness (½ Hard)40 HRB
Shear Strength26 ksi (179 MPa)
Fatigue Strength13 ksi (90 MPa)
Physical Properties
Density8.94 g/cm³
Melting Point1,083°C (1,981°F)
Electrical Conductivity100% IACS
Thermal Conductivity391 W/m·K
Coefficient of Thermal Expansion17.0 × 10⁻⁶ /K
Modulus of Elasticity117 GPa
Typical Applications
- Vacuum tube and electronic components
- Waveguides and microwave components
- Busbars in reducing atmosphere environments
- Superconductor stabilizers
- HVAC and refrigeration tubing
- Chemical process equipment
- High-reliability electrical connections
Fabrication & Joining
- Excellent ductility for cold forming
- Free from hydrogen embrittlement when heated
- Excellent brazing and welding characteristics
- Not recommended for: coated metal art, spot, seam, or resistance welding
- Superior formability compared to ETP grades
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