Copper (UNS C19020)

Topics Covered

Chemical Composition
Physical Properties


Copper is a non-magnetic antibacterial metal with a reddish brown color. It is easy to alloy, join, and recycle. The properties of copper include ductility, toughness, corrosion resistant, and thermal and electric conductor.

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Although copper possesses several unique properties, it needs to be hardened and strengthened for some of the industrial applications. Hence other metals such as tin, silicon, chromium, beryllium, silver, and nickel are added to it.

Copper UNS C19020 is a wrought alloy. It has good to excellent corrosion resistance.

The following datasheet discusses the chemical composition and properties of copper UNS C19020.

Chemical Composition

The chemical composition of copper UNS C19020 is given in the following table.

Element Content (%)
Nickel, Ni 0.5-3.0
Tin, Sn 0.3-0.9
Silicon, Si 0.1-0.4
Copper, Cu + Silver, Ag Balance

Physical Properties

The following table discusses the physical properties of copper UNS C19020.

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


Copper UNS C19020 finds application in:

  • Bus bars
  • Bus conductor
  • Hollow conductors,
  • Transistor components
  • Coaxial cables

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