Oxygen-Free Copper (UNS C10300)

Image of Oxygen Free Copper C10300 bars

Oxygen-free copper C10300 is a premium-grade copper alloy renowned for its exceptional electrical conductivity and thermal properties. It is ideal for critical electrical components, heat exchangers, and high-vacuum applications where purity and performance are paramount.

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Chemical Composition
ElementMinMax
Copper99.95%——
Phosphorus0.001%0.005%

The following table provides a list of copper C10300 properties in both SI and US customary/Imperial units.

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

Table of Copper C10300 Properties
Physical Properties
Metric
Density8800 - 8940 kg/m3
Mechanical PropertiesMetric
Tensile Strength (Ultimate)230 - 410 MPa
Tensile Strength (Yield)80 - 400 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 Conductivity5.7×107 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 C10300

AdvantagesDisadvantages
Excellent Electrical ConductivityHigh Cost
High Thermal ConductivitSoft
Good Corrosion ResistanceLimited Availability
Good Ductility and FormabilityJoining Techniques

Applications of Copper C10300

Oxygen-Free Copper C10300 finds application in various industries and sectors due to its excellent electrical conductivity, thermal conductivity, corrosion resistance, and ductility. Key applications include:

  • Electrical and Electronic Equipment: Widely used in electrical and electronic equipment that requires high conductivity and minimal electrical losses. Applications include cables, bus bars, connectors, switches, terminals, and printed circuit boards (PCBs).
  • Power Generation and Transmission: Employed in power generation and transmission systems due to its high electrical conductivity, including power cables, transformers, generators, and power distribution equipment.
  • Heat Exchangers: The good thermal conductivity makes it suitable for heat exchangers used in HVAC systems, refrigeration units, and industrial processes, efficiently transferring heat between fluids or gases.
  • Plumbing Systems: Its corrosion resistance and excellent formability make it a preferred material for plumbing systems, including pipes, fittings, valves, and connectors.
  • Marine Applications: Used in marine applications such as shipbuilding, offshore structures, and marine equipment, where exposure to seawater and saltwater environments is common, thanks to its corrosion resistance.
  • Medical and Scientific Instruments: The high purity and electrical conductivity make it suitable for medical and scientific instruments like MRI machines, particle accelerators, electrodes, and other equipment requiring accurate measurements and low electrical resistance.
  • Electrical Contacts: Used in electrical contacts such as switches, relays, and connectors, where reliable electrical conductivity and durability are essential.
  • Aerospace and Defense: Found in various aerospace and defense applications including wiring, connectors, antennas, radar systems, and electronic components, due to its high electrical conductivity and corrosion resistance.
  • Automotive Industry: Utilized in automotive wiring, connectors, electrical components, and heat exchangers due to its excellent electrical and thermal conductivity, along with resistance to corrosion.
  • Renewable Energy: Employed in renewable energy systems, such as solar panels and wind turbines, for electrical conductors, bus bars, and connectors.
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