Beryllium Copper Springs

Beryllium Copper Springs

This age hardenable copper alloy combines a range of properties suited to meet the exacting requirements of many automotive, electronic and aerospace industries.
Beryllium Copper CB 101 Springs are Cold drawn and may be mill hardened before fabrication. It has Good corrosion resistance and electrical conductivity and High physicals.
Beryllium Copper CB 101 is also known as Cupro Beryllium, Beryllium Copper Alloy 25, Berylco 25, NGK 25, and Ampcoloy 83.

Beryllium Copper Spring Types

Beryllium Copper Extension Springs Beryllium Copper Wires Beryllium Copper Torsion Springs Beryllium Copper Compression Springs

Beryllium Copper Spring Properties

SpecificationBeryllium Copper ASTM B 197
Nominal Chemistry Copper(Cu) 98.0 - %
Beryllium(Be) 2.0-%
Minimum Tensile Strength psi x 103 150-230
E - Modulus of Elasticity psi x 106 18.5
Design Stress % Minimum Tensile 45
G - Modulus in Torsion psi x 106 7.0
Maximum Operating Temperature °F 400
Rockwell Hardness C35-42
Density lb/in3 0.298
Shear Modulus c GPa 11600 80.0
Equivalent Specifications ASTM B196
BS 2873
BS EN 12166