ASTM B111 C10100 Copper Tube (UNS C10100) Oxygen-Free Copper
ASTM B111 C10100 (UNS C10100) is an oxygen-free copper grade produced for seamless condenser and heat exchanger tubes requiring extremely high electrical and thermal conductivity. With a minimum copper content of 99.99% and negligible oxygen, this material delivers outstanding corrosion resistance, superior ductility, and excellent performance in critical industrial and electrical applications.
Key Features
- Ultra-high purity oxygen-free copper (99.99% Cu)
- Exceptional thermal and electrical conductivity
- Excellent corrosion resistance in fresh water systems
- Superior formability and ductility
- Ideal for precision heat transfer applications
- Smooth internal surface finish
Equivalent Grades
| Standard | Grade |
|---|---|
| UNS | C10100 |
| EN | CW004A |
| DIN | OF-Cu |
| JIS | C1011 |
Sizes
- Outside Diameter (OD): 6 mm to 159 mm
- Wall Thickness: 0.7 mm to 10 mm
- Length: Random, fixed, or cut-to-length
- Form: Straight lengths
ASTM B111 C10100 Chemical Composition
| Element | Percentage (%) |
|---|---|
| Copper (Cu) | 99.99 min |
| Oxygen (O) | ≤ 0.0005 |
| Others | ≤ 0.01 |
C10100 Mechanical Properties
| Property | Typical Value |
|---|---|
| Tensile Strength | 200 – 260 MPa |
| Yield Strength | 70 – 100 MPa |
| Elongation | 35 – 45 % |
| Hardness | ~50 HV |
UNS C10100 Physical Properties
| Property | Value |
|---|---|
| Density | 8.94 g/cm³ |
| Melting Point | ~1083°C |
| Thermal Conductivity | ~390 W/m·K |
| Electrical Conductivity | ~101 % IACS |
Type of ASTM B111 C10100 Tubes
- Seamless Oxygen-Free Copper Tubes
- Condenser Tubes
- Heat Exchanger Tubes
- Annealed (Soft) Tubes
- Hard Drawn Tubes
Applications
- Heat exchangers and condensers
- Power generation equipment
- Electrical and electronic components
- Semiconductor and vacuum systems
- Cryogenic and high-purity process equipment
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