High Conductivity Copper Alloy (UNS C11010)

Topics Covered

Chemical Composition
Physical Properties
Other Designations


Copper alloys that are free from oxygen content are best suited for applications that require high ductility and conductivity.

This alloy is referred to as remelted high conductivity (RHC) copper ally. It is used in the form of a brazing filler metal. It exhibits very good corrosion resistance in the presence of atmospheric corroding agents and brackish or sea water. However, exposure to oxidizing environments or oxidizing acids or moist halogens must be avoided.

This datasheet will elaborate on the chemical composition and properties of copper UNS C11010 alloy.

Chemical Composition

The chemical composition of oxygen copper UNS C11010 is given in the following table.

Element Content (%)
Copper, Cu + Silver, Ag 99.9
Others Balance

Physical Properties

The following table lists the physical properties of copper UNS C11010.

Properties Metric Imperial
Density 8.9 g/cm3 0.323 lb/in3

Other Designations

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Some of the other designations that are used to denote copper UNS C11010 are as below:

  • FEDERAL QQ-B-650
  • ASTM B224


Some of the methods adopted for fabricating this alloy are coining, bending, coppersmith, upsetting and drawing. Other methods of fabrication are knurling, roll threading, spinning, swaging and stamping.

Forging - Copper UNS C11010 alloy has good forging ability.

Hot working - Copper UNS C11010 alloy has excellent hot working abilities.

Cold working - Copper UNS C11010 alloy has excellent cold working properties.


Copper UNS C11010 is used in the following applications:-

  • Waveguides, lead-in-wires, co-axial cables
  • Bus bars and bus conductors
  • Anodes for vacuum tubes, vacuum seals, transistor components
  • Glass-to-metal seals, klystrons, rectifiers
  • Microwave tubes


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