Oxygen-Free-Electronic (OFE) Copper (UNS C10100)

Image of Oxygen Free Electronic Copper C10100 bars

Oxygen-Free Electronic (OFE) Copper C10100 is the purest commercial copper grade, valued for its exceptional electrical and thermal conductivity. Its near-zero oxygen content prevents embrittlement, making it ideal for high-vacuum systems, superconductors, and precision electronics.

Looking to buy copper?
Check pricing and availability through our trusted partner:

Online Metals - High-quality copper with fast shipping
Chemical Composition
ElementMinMax
Copper99.99%——

The following table provides a list of copper C10100 properties in both SI and US customary/Imperial units.

Click on the button to switch between Metric and Imperial units.

Table of Copper C10100 Properties
Physical Properties
Metric
Density8890 - 8940 kg/m3
Mechanical PropertiesMetric
Tensile Strength (Ultimate)220 - 455 MPa
Tensile Strength (Yield)69 - 365 MPa
Shear Strength150 - 240 MPa
Young’s Modulus (E)115 GPa
Shear Modulus (G)44 GPa
Elongation at Break50%
Poisson’s Ratio (ν)0.31
Vickers Hardness (½ hard)75
Vickers Hardness (full hard)90
Thermal PropertiesMetric
Melting Point1083 °C
Thermal Conductivity390 W/m·K
Specific Heat Capacity (Cp)385 J/kg·K
Coefficient of Thermal Expansion (αL)1.7×10-5 1/°C
Electrical PropertiesMetric
Electrical Conductivity5.8×107 S/m
Electrical Resistivity1.7×10-8 Ω·m

The values in this table are approximate and can vary depending on various factors such as the specific manufacturing process and heat treatment applied to the alloy.

Advantages & Disadvantages of Copper C10100

AdvantagesDisadvantages
Electrical conductivitySoft material
Thermal conductivityHigh cost
Corrosion resistanceSusceptibility to oxidation
Ductility and formabilityLimited strength
Low magnetic permeability

Applications of Copper C10100

Copper C10100 finds numerous applications across various industries due to its high purity and excellent electrical and thermal conductivity.Key applications include:

  • Electrical and Electronics: Widely used in components that require high conductivity, including electrical connectors, terminals, bus bars, printed circuit boards (PCBs), and wiring for efficient electrical transfer.
  • Heat Transfer Systems: The high thermal conductivity makes it suitable for heat exchangers, heat sinks, and cooling systems to efficiently dissipate heat.
  • Telecommunications: Utilized in equipment and devices such as waveguides, coaxial cables, and antennas due to excellent conductivity and low signal loss properties.
  • Vacuum Systems: The low outgassing and low magnetic permeability make it suitable for vacuum tubes, vacuum chambers, and other vacuum applications.
  • Superconductors: Employed in superconductor applications due to high electrical conductivity, providing a low-resistance path for superconducting currents.
  • Automotive Industry: Used in various components such as connectors, terminals, and wiring harnesses due to electrical conductivity and corrosion resistance.
  • Architecture and Construction: Used for roofing, gutters, downspouts, and decorative elements due to corrosion resistance, aesthetic appeal, and durability.
  • Marine Applications: The corrosion resistance makes it suitable for marine equipment, shipbuilding, and offshore applications including heat exchangers, piping systems, and electrical wiring.
  • Medical Equipment: Employed in devices where high conductivity and corrosion resistance are essential, including imaging equipment, surgical instruments, and electrical connectors.
Similar Alloys