Oxygen-Free Copper (UNS C10700)

Image of Oxygen Free Electronic Copper C10700 bars

Oxygen-free copper C10700 is a premium-grade copper alloy with 99.95% purity renowned for its unmatched electrical conductivity and thermal performance. It is ideal for high-efficiency electronics, RF components, and heat exchangers.

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Chemical Composition
ElementMinMax
Copper99.85%99.95%
Silver0.085%0.12%

The following table provides a list of copper C10700 properties in both SI and US customary/Imperial units.

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

Table of Copper C10700 Properties
Physical Properties
Metric
Density8940 kg/m3
Mechanical PropertiesMetric
Tensile Strength (Ultimate)220 - 455 MPa
Tensile Strength (Yield)69 - 365 MPa
Shear Strength160 - 240 MPa
Young’s Modulus (E)115 GPa
Shear Modulus (G)44 GPa
Elongation at Break50%
Poisson’s Ratio (ν)0.31
Thermal PropertiesMetric
Melting Point1080 °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 C10700

AdvantagesDisadvantages
Electrical conductivityHigh cost
Thermal conductivitySoftness and ductility
Corrosion resistanceSusceptibility to tarnish
Easy to fabricateLimited strength

Applications of Copper C10700

Oxygen-Free Copper C10700 finds numerous applications in various industries due to its excellent electrical and thermal conductivity, as well as its corrosion resistance. Key applications include:

  • Electrical and Electronic Components: Widely used in electrical and electronic components where efficient electrical conductivity is crucial. It is used in bus bars, connectors, cables, and conductors to ensure reliable and low-resistance electrical transmission.
  • Heat Exchangers: Due to its good thermal conductivity, it is employed in heat exchangers where efficient heat transfer is required. It is utilized in applications such as HVAC systems, refrigeration units, and power plants.
  • Heat Sinks: Used in heat sink manufacturing to dissipate heat generated by electronic components. Heat sinks made from this copper alloy efficiently absorb and transfer heat away from heat-generating devices like computer processors, power modules, and LEDs.
  • Electrical Contacts: The high electrical conductivity and corrosion resistance make it an ideal choice for electrical contacts. It is used in switches, relays, connectors, and circuit breakers to ensure reliable electrical connections and minimize energy loss.
  • RF (Radio Frequency) Components: Utilized in RF components such as antennas, waveguides, and transmission lines due to its excellent electrical properties. Its high conductivity helps minimize signal loss and ensures efficient transmission of high-frequency signals.
  • PCB (Printed Circuit Board) Traces: Used in PCB manufacturing for creating conductive traces that connect various components on the board. Its high conductivity allows for efficient signal transmission between components.
  • Medical Equipment: Employed in the medical industry for various applications. It is used in MRI (Magnetic Resonance Imaging) systems, radiation therapy equipment, and other medical devices due to its excellent electrical and thermal properties.
  • Power Transmission and Distribution: Utilized in power transmission and distribution systems. It is used in overhead power lines, transformers, and switchgear due to its low resistance, high conductivity, and good corrosion resistance.
  • Automotive Components: Finds applications in automotive systems, including wiring harnesses, connectors, and terminals. Its high conductivity and corrosion resistance ensure reliable electrical connections in vehicles.
  • Renewable Energy Systems: Used in renewable energy systems, such as solar panels and wind turbines. It is employed in wiring, bus bars, and connectors to ensure efficient electricity generation and transmission.
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