C10200 Copper Alloy Sheets & Plates
C10200 Copper Sheet & Plate (Oxygen-Free Electronic Copper – OFE)
C10200 Copper Sheet & Plate, also known as Oxygen-Free Electronic Copper (OFE), is a high-purity copper grade with a minimum copper content of 99.95%. It is specifically manufactured in a controlled atmosphere to eliminate oxygen and impurities, resulting in superior electrical and thermal conductivity.
C10200 is widely used in critical electrical, electronic, and vacuum applications where high conductivity and minimal hydrogen embrittlement are required.
Key Features
- Ultra-high purity copper (99.95% minimum)
- Excellent electrical conductivity (near 101% IACS)
- Outstanding thermal conductivity
- Superior resistance to hydrogen embrittlement
- Excellent weldability and brazing properties
- High ductility and formability
- Ideal for vacuum and electronic applications
C10200 Copper – Product Specification
| Parameter | Details |
|---|---|
| Standard | ASTM B152 / ASME SB152 |
| Material | Oxygen-Free Electronic Copper (OFE) |
| Grade | C10200 |
| UNS Number | C10200 |
| Form | Sheet, Plate |
| Thickness | 0.5 mm to 150 mm |
| Width | Up to 2000 mm |
| Length | Up to 6000 mm |
| Temper | Soft (Annealed), Half Hard, Hard |
Available Sizes
- Thickness: 0.5 mm to 100 mm
- Width: Up to 2000 mm
- Length: Up to 6000 mm or custom cut sizes
- Custom profiles and precision cutting available as per requirement
C10200 Copper – Equivalent Grades
| Standard | Equivalent Grade |
|---|---|
| UNS | C10200 |
| ASTM | C10200 |
| EN | Cu-OF |
| DIN | OF-Cu |
| JIS | C1020 |
C10200 Copper – Chemical Composition
| Element | Composition (%) |
|---|---|
| Copper (Cu) | ≥ 99.95 |
| Oxygen (O) | ≤ 0.001 |
| Other Impurities | ≤ 0.05 |
C10200 Copper – Mechanical Properties
| Property | Value |
|---|---|
| Tensile Strength | 200 – 300 MPa |
| Yield Strength | ≥ 50 MPa |
| Elongation | ≥ 35% |
| Hardness | 40 – 100 HV |
C10200 Copper – Physical & Electrical Properties
| Property | Value |
|---|---|
| Density | 8.94 g/cm³ |
| Electrical Conductivity | 101% IACS |
| Thermal Conductivity | 390 W/m·K |
| Melting Point | 1083°C |
| Coefficient of Expansion | 16.5 µm/m·°C |
Types of C10200 Copper Products
- C10200 Copper Sheets
- C10200 Copper Plates
- Cold Rolled Copper Sheets
- Hot Rolled Copper Plates
- Annealed Copper Sheets
- Precision Cut Copper Plates
Corrosion Resistance
C10200 copper offers excellent resistance to:
- Atmospheric corrosion
- Freshwater environments
- Non-oxidizing acids
- Alkaline solutions
It forms a natural protective oxide layer that enhances durability over time.
Heat Resistance
C10200 performs well at elevated temperatures due to:
- High thermal conductivity
- Stability in vacuum environments
- Resistance to oxidation under controlled conditions
Ideal for high-temperature electrical and electronic applications.
Heat Treatment
- Typically supplied in annealed condition
- Annealing temperature: 400°C – 650°C
- Improves ductility and removes internal stresses
- Not hardenable by heat treatment
Welding
C10200 copper is highly weldable using:
- TIG (GTAW) welding
- MIG (GMAW) welding
- Resistance welding
Note: Preheating may be required due to high thermal conductivity.
Fabrication
- Excellent formability and machinability
- Suitable for bending, stamping, and deep drawing
- Can be easily cut, drilled, and shaped
- Ideal for precision fabrication applications
Applications
C10200 Copper Sheets & Plates are widely used in:
- Electrical conductors and busbars
- Semiconductor and electronics industry
- Vacuum components
- Power generation equipment
- Heat exchangers
- Aerospace components
- RF and microwave systems
- Cryogenic applications