UNS C18400 Chromium Rods - Mechanical Properties

Chromium UNS C18400 has a copper content of not less than 99.2%.

The following table shows the mechanical properties of UNS C18400 rods as a function of heat treatment and thickness.

Temper Thickness Tensile Str. Yield Str. Elong. Rockwell
B C F 30T
TB00 12.7mm. (0.5in.) 310MPa (45ksi) 97MPa (14ksi) 40% - - - -
TF00 12.7mm. (0.5in.) 483MPa (70ksi) 379MPa (55ksi) 21% 70 - - -
25.4mm. (1in.) 496MPa (72ksi) 448MPa (65ksi) 18% 80 - - -
51mm (2in.) 483MPa (70ksi) 448MPa (65ksi) 18% 75 - - -
76mm. (3in.) 448MPa (65ksi) 379MPa (55ksi) 18% 70 - - -
102mm. (4in.) 379MPa (55ksi) 296MPa (43ksi) 25% 68 - - -

Equivalent materials to UNS C18400 copper alloy are listed below:

  • MIL C-19311
  • SAE J461
  • SAE J463

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