UNS C12900 Fire-Refined Tough Pitch Copper Wires - Mechanical Properties

Fire-refined tough pitch copper UNS C12900 has a copper content of not less than 99.88%.

The following table shows the mechanical properties of UNS C12900 wires as a function of heat treatment and thickness.

Temper Thickness Tensile Str. Yield Str. Elong. Rockwell Shear Str.
B C F 30T
H04 2mm (0.08in) 379MPa (55ksi) - 1% - - - - 200MPa (29ksi)
H08 2mm (0.08in) 455MPa (66ksi) - 1% - - - - 228MPa (33ksi)
OS050 2mm (0.08in) 241MPa (35ksi) - 35% - - - - 165MPa (24ksi)

Equivalent materials to UNS C12900 copper alloy are the following:

  • ASTM B224
  • MIL B-20292

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