Beryllium Copper Flat Products UNS C17200 - Mechanical Properties

Beryllium Copper UNS C17200 has 99.5% min copper and other elements.

Tabulated below are the mechanical properties of UNS C17200 flat products as a function of heat treatment and thickness.

Temper Thickness Tensile Str. Elong. Rockwell Fatigue Str.
B C F 30T
TB00 0 483MPa (70ksi) 45% 60 - - 58 -
TD01 4.78MPa (0.188in) 552MPa (80ksi) 25% 80 - - 70 -
TD02 4.78MPa (0.188in) 634MPa (92ksi) 15% 92 - - 77 -
TD04 4.78MPa (0.188in) 758MPa (110ksi) 5% 99 - - 81 -
TF00 4.78MPa (0.188in) 1207MPa (175ksi) 6% - 38 - - 248MPa (36ksi)
TH01 4.78MPa (0.188in) 1276MPa (185ksi) 4% - 40 - - 276MPa (40ksi)
TH02 4.78MPa (0.188in) 1344MPa (195ksi) 3% - 41 - - 303MPa (44ksi)
TH04 4.78MPa (0.188in) 1379MPa (200ksi) 2% - 42 - - 307MPa (45ksi)
TM00 4.78MPa (0.188in) 724MPa (105ksi) 20% - 27 - - -
TM01 4.78MPa (0.188in) 793MPa (115ksi) 17% - 23 - - -
TM02 4.78MPa (0.188in) 883MPa (128ksi) 15% - 27 - - -
TM04 4.78MPa (0.188in) 979MPa (142ksi) 12% - 32 - - -
TM05 0 1030MPa (150ksi) 9% - 31 - - -
TM06 4.78MPa (0.188in) 1158MPa (168ksi) 7% - 37 - - -
TM08 4.78MPa (0.188in) 1255MPa (182ksi) 6% - - - - -

The chemical composition of UNS C17200 copper alloy is outlined in the following table.

Elements Content (%)
Copper, Cu 98.1
Aluminum, Al 0.2
Beryllium, Be 1.80-2.00
Cobalt, Co 20 min
Silicon, Si 0.2

Equivalent materials to UNS C17200 copper alloy are:

  • AMS 4651
  • AMS 4725
  • ASTM B194
  • ASTM B196
  • ASTM B197
  • ASTM B570
  • MIL C-21657
  • SAE J461
  • SAE J463

Tell Us What You Think

Do you have a review, update or anything you would like to add to this article?

Leave your feedback
Your comment type
Submit