Beryllium Copper CB 101 Specification

  • UNS C17200
  • AWS 140

Applicable Standards:

  • BS 2873

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

Good Mechanical Properties at Elevated Temperatures No
Corrosion Resistant at Ambient Temperatures No
Corrosion Resistant & Good Mechanical Properties at Elevated Temperatures No
Oxidation Resistant No
Precipitation Hardenable Yes

Applications include:

  • Automotive industries
  • Aerospace industries
Approximate Chemical Composition
Cu BAL
Be 1.7 - 1.9%
Ni+Co 0.05 - 0.40%
Properties
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 47 kN/mm2 6817 ksi
MODULUS OF ELASTICITY 123 kN/mm2 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.
Spring Temper 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 20 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
Alternatively call us on +44 (0)1384 566775
Print this page... Request a Brochure...