W-130 (CW101C)

Beryllium copper (CuBe2).

W-130 is a heat treated beryllium copper that is extremely hard and strong with relatively good conductivity.

Areas of use
Electrodes for resistance and flash butt welding, dies and moulds for plastics, misc. electrical components




Chemical composition (nom.)
– Cu Rest.
– Be 1.8-2.1%
– Co+Ni 0.2-0.6%

Max impurities
– Other 0.5% max.

Physical properties
Mean linear coefficient of thermal expansion (10-6/K): 17
Thermal conductivity (W/mK): 120
Electrical conductivity (m/W ohm mm²): 12-15
Elastisity modulus E (kN/mm²): 133
Density (g/cm3): 8.25

Mechanical properties (nom.)                                                                                                                                  Yield strength (Rp N/mm²): 350 N/mm²
Tensile strength (Rm N/mm²): 400 N/mm²
Elongation in % A5: 15%
Hardness/Brinell: 160 HB
Hardness/Rockwell: 36-40 HRC

Additional information