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 Beryllium Copper Alloys

Chemical Composition

Weight % Be Co Co+Ni+Fe Pb Others Cu

Alloy 25 (Co)

1.8-2.0 0.2% min 0.6% max - 0.5% max Rem
Alloy 33-25 (Pb) 1.8-2.0 0.2% min 0.6% max 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        
Alloy 14 0.4-0.6 1.8-2.2 - - 0.5% max Rem

 Beryllium Copper

(High Conductivity Metals)

Alloy Designation

Form / Availability Characteristics
Alloy 25 (Co) plate, strip, rod, wire, hollows very high strength alloy,
good conductivity
Alloy 33-25 (Pb) rod, wire free machining very high strength alloy
good conductivity
Alloy 165 strip, rod, wire high strength alloy, good conductivity
Alloy 10 plate, strip, rod, wire good strength and high conductivity
Alloy 14 plate, strip, rod, wire good strength and high conductivity
 
AUTHORITY SPECIFICATION ALLOY FORM
ASTM B194
B 196
B 197
B 534
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
OQ-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 < lOmm
BRITISH STANDARD
AEROSPACE SERIES
BSB28
BSB29
BSB30
BSB31
BSB32
BSB33
25
25
25
25
25
25
strip W (A)
strip W (H)
strip W (H)
strip W (H)
rod W (A)
wire W (A)
DIN 17866
17670
1777
25, 165, 10, 14 strip, rod
and
wire

 

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.

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