Beryllium Copper Sand Cast Alloy (UNS C82400) – Mechanical Properties

Nov 29 2012

UNS C82400 beryllium copper alloy has a copper content of not less than 97.8%.

The following table shows the mechanical properties of UNS C82400 sand cast alloy as a function of heat treatment.

Temper Tensile Str. Elong. Rockwell Fatigue Str.
B C F 30T
M01 483 MPa (70 ksi) 15% - - - - -
O11 690 MPa (100 ksi) 3% - 21 - - -
TB00 414 MPa (60 ksi) 40% 59 - - - -
TF00 1068 MPa (155 ksi) 6% 96 - - - 160 MPa (23 ksi)
1001 MPa (145 ksi) 1% - - - - -

The chemical composition of UNS C82400 copper alloy is outlined in the following table.

Element Content (%)
Beryllium, Be 1.60-1.85
Cobalt, Co 0.20-0.65
Nickel, Ni 0.2
Iron, Fe 0.2
Aluminum, Al 0.15
Tin, Sn 0.1
Zinc, Zn 0.1
Chromium, Cr 0.09
Lead, Pb 0.02
Copper, Cu Remainder

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