Beryllium Copper Alloys


Technical Data Sheet

Chemical Composition Limits
Weight % Be Co Co+Ni+Fe Pb Others Cu
Alloy 25 (Co)
1.8-2.0 0.2 % min 0.6% max - 0.5 % Rem
Alloy 33-25 (Pb) 1.8-2.0 0.2% min 0.6% min 0.2% min 0.5% max Rem
Alloy 165 1.6-1.8 0.2% min 0.6% max - 0.5% max Rem
Alloy 10 0.4-0.7 2.4-2.7 - - 0.5% max Rem
  Be Ni     Others Cu
Alloy 14 0.4-0.6 1.8-2.2 - - 0.5% max Rem

Beryllium Copper (High Conductivity Metals)

Alloy Designation Form/Availability Characteristics
Beryllium Copper Alloy 25 (Co) Plate, Strip, Rod, Wire, Hollows very high strength alloy, good conductivity
Beryllium Copper Alloy 33-25 (Co) Rod, Wire free machining very high strength alloy good conductivity
Beryllium Copper Alloy 165 (Co) Strip, Rod, Wire high strengh alloy, good conductivity
Beryllium Copper Alloy 10 (Co) Plate, Strip, Rod, Wire good strength and high conductivity
Beryllium Copper Alloy 14 Plate, Strip, Rod, Wire good strength and high conductivity

 

Authority Specification Alloy Form
ASTM B194
B196
B197
B534
25 and 165
25, 165 and 33-25
25
10 and 14
Strip
Rod
Wire
Strip
CDA and SAE CA 172
CA 170
CA 173
CA 175
25
165
33-25
10
Strip
Strip
Wire
Strip
Federal USA QQ-C-530
QQ-C-533
25 and 33-25
25 and 165
Rod
Strip
British Standard BS 2870
BS 2873
Be 1.7 to 1.9
Be 1.7 to 1.9

Strip
Rod ≤ 10mm

British Standard BSB28
BSB29
BSB30
BSB31
BSB32
BSB33
25
25
25
25
25
25

Strip W (A)
Strip W (1/4H)
Strip W (1/2H)
Strip W (H)
Rod W (A)
Wire W (A)

DIN 17866
17670
1777
25,165,10,14 Strip, Rod and Wire


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Disclaimer
Every effort is made to ensure that technical specifications are accurate. However, technical specifications included herein should be used as a guideline only. All specifications are subject to change without notice.