Fire-Refined Tough Pitch Copper Flat Products UNS C12900 - 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 flat products as a function of heat treatment and thickness.

Temper Thickness Tensile Str. Yield Str. Elong. Rockwell Shear Str.
B C F 30T
H00 1mm (0.04in) 234MPa (34ksi) 193MPa (28ksi) 30% 10 - 60 25 172MPa (25ksi)
H02 1mm (0.04in) 290MPa (42ksi) 248MPa (36ksi) 14% 40 - 84 50 179MPa (26ksi)
H04 1mm (0.04in) 345MPa (50ksi) 310MPa (45ksi) 6% 50 0 90 57 193MPa (28ksi)
H08 1mm (0.04in) 379MPa (55ksi) 345MPa (50ksi) 4% 60 - 94 63 200MPa (29ksi)
H10 1mm (0.04in) 393MPa (57ksi) 365MPa (53ksi) 4% 62 - 95 64 200MPa (29ksi)
M20 1mm (0.04in) 234MPa (34ksi) 69MPa (10ksi) 45% - - 45 - 159MPa (23ksi)
OS025 1mm (0.04in) 234MPa (34ksi) 76MPa (11ksi) 45% - - 45 - 159MPa (23ksi)

Equivalent materials to UNS C12900 copper alloy are the following:

  • ASTM B224
  • MIL B-20292

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