Beryllium Copper Flat Products UNS C17510 - Mechanical Properties

Sep 27 2012

Beryllium copper UNS C17510 has a copper content of not less than 97.8%.

The following table shows the mechanical properties of UNS C17510 flat products as a function of heat treatment.

Temper Tensile Str. Yield Str. Elong. Rockwell Fatigue Str.
B C F 30T
TB00 310MPa (45ksi) 172MPa (25ksi) 28% 32 - - 0.36 -
TD02 469MPa (68ksi) 414MPa (60ksi) 8% 70 - - 64 -
TD04 538MPa (78ksi) 483MPa (70ksi) 5% 83 - - 72 -
TF00 758MPa (110ksi) 621MPa (90ksi) 12% 96 - - 80 -
TH02 793MPa (115ksi) 745MPa (108ksi) 8% 98 - - 81 241MPa (35ksi)
TH04 793MPa (115ksi) 745MPa (108ksi) 8% 98 - - 81 -

Equivalent materials to UNS C17510 copper alloy are the following:

  • ASTM B441
  • ASTM B534
  • MIL C-81021
  • SAE J461
  • SAE J463

The chemical composition of UNS C17510 copper alloy is outlined in the following table.

Element Content (%)
Nickel 1.4-2.2
Cobalt, Co 0.3
Silicon, Si 0.2
Aluminum. Al 0.2
Beryllium, Be 0.2-0.6
Iron, Fe 0.1
Copper, Cu Balance

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