Beryllium Copper Sand Cast Alloy (UNS C82500) – Mechanical Properties

Nov 29 2012

UNS C82500 beryllium copper alloy has a copper content of not less than 97.8%.

The following table shows the mechanical properties of UNS C82500 sand cast alloy as a function of heat treatment.

Temper Tensile Str. Elong. Rockwell Fatigue Str.
B C F 30T
M01 552 MPa (80 ksi) 20% 82 - - - -
518 MPa (75 ksi) 15% - - - -
O11 827 MPa (120 ksi) 2% - - 30 - -
TB00 414 MPa (60 ksi) 35% 63 - - - -
TF00 1103 MPa (160 ksi) 1% - 43 - - 165 MPa (24 ksi)
1035 MPa (150 ksi) 1% - - - - -

The chemical composition of UNS C82500 copper alloy is outlined in the following table.

Element Content (%)
Beryllium, Be 1.90-2.25
Cobalt, Co 0.35-0.70
Iron, Fe 0.25
Silicon, Si 0.20-0.35
Nickel, Ni 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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