This age hardenable copper alloy combines a range of properties suited to meet the exacting requirements of many automotive, electronic and aerospace industries.




 

Applications include:

  • Automotive industries
  • Aerospace industries

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Approximate Chemical Composition
Cu BAL
Be 1.7-1.9%
Ni+Co 0.05-0.40%
DENSITY 8.25 g/cm3 0.298 lb/in3
MELTING POINT 980 oC 1800 oF
COEFFICIENT OF EXPANSION 17.8 µm/m °C
( 20 - 100°C)		 9.9 x 10-6 in/in °F
( 70 - 212°F)
MODULUS OF RIGIDITY - -
MODULUS OF ELASTICITY 123 kN/m2 17840 ksi
 
CONDITION OF SUPPLY HEAT TREATMENT (AFTER FORMING)
Annealed Age Hardened at 315 - 320°C (600- 610°F) for 3 hours and air cool.
Hard Drawn Age Hardened at 315 - 320°C (600- 610°F) for 2 hours and air cool.
 
CONDITION APPROX TENSILE STRENGTH APPROX SERVICE TEMPERATURE
Annealed
400-600 N/mm2 58-87 ksi
up to 200 oC up to 390 oF
Annealed + Aged
800-1200 N/mm2 116-174 ksi
up to 200 oC up to 390 oF
Spring Temper
800-1200 N/mm2 116-174 ksi
up to 200 oC up to 390 oF
Spring Temper + Aged
1200-1600 N/mm2 174-232 ksi
up to 200 oC up to 390 oF
 
STANDARDS
  BS 2873  
 
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