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CAMK17200/C17200/CW101C/CuBe2 Beryllium Copper Wire or Bar or Strip or Plate

Product Detail

Product Tags

Material Designation

GB /
UNS C17200
EN CW101C/CuBe2

Chemical Composition

Copper, Cu Rem.
Beryllium, Be 1.80 – 2.00%
Cobalt, Co Min. 0.20%
Co+Ni+Fe Min. 0.60%

Physical Properties

Density 8.36 g/cm3
Electrical Conductivity Min. 22 %IACS
Thermal Conductivity 107 W/( m·K)
Coefficiency of Thermal Expansion 17.5 μm/(m·K)
Specific Heat Capacity 419 J/(kg·K)
Modulus of Elasticity 131 Gpa

Mechanical Properties



CAMK17200 is the most commonly specified copper beryllium.

In  its  age  hardened  condition,  it  attains  the  highest  strength  and hardness of any commercial copper base alloy. The ultimate tensile strength can exceed 1360Mpa(200 ksi), while the hardness approaches Rockwell C45.

Also, in the fully aged condition, the electrical conductivity is a minimum of 22% IACS (International Annealed Copper Standard). It also exhibits exceptional resistance to stress relaxation at elevated temperatures.


1. Electrical Industry: Electrical Switch and Relay Blades, Fuse Clips, Switch  Parts,  Relay  parts,  Connectors,  Spring  Connectors, Contact Bridges, Belleville Washers, etc.

2. Fasteners: Washers, Fasteners, Lock Washers, Retaining Rings, Roll Pins, Screws, Bolts.

3. Industrial:   Pumps,   Springs,   Electrochemical,   Shafts,   Non Sparking  Safety  Tools,   Flexible   Metal   Hose,   Housings  for Instruments, Bearings, Bushings, Valve Seats, etc.

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