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
| Specification | Beryllium 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 ASTM B197 BS 2873 BS EN 12166 |