Beryllium Copper

Beryllium Coppers are also known as spring copper which has the best combination of electrical conductivity, corrosion resistance and mechanical strength necessary for numerous electronic and electro-mechanical devices.

Technical Specification Beryllium Cooper
Nominal Composition

Be: 0.2 - 0.6

Ni: 1.4 – 2.2

Cu: Balance


0.316 lb./in3

Modulus of Elasticity (E)

19x 106 psi

Modulus of Rigidity (G)

7.5 x 106 psi

Coefficient of Expansion

9.8 µin/in.-°F (200°F)

Electrical Resistivity

3.79 µΩ.cm

Thermal Conductivity

120 Btu/(hr/ft2/in/°F)

Min Size

0.003 in (0.080 mm)

Max Temp

205oC (400oF)


Its non-magnetic properties make it ideal for down-hole wire line tools