Specification :

CuCo2Be— C17500 ( CDA 175) Cobalt Beryllium Copper is primarily utilized in the industry applications that require most highly thermal or electrical conductivity, which features a cobalt alloying addition ( 2.40-2.70% ) . C17500 also Offers good strength and hardness characteristics coupled with conductivity in the range of 45-60 percent of copper with ultimate tensile and hardness properties approaching 140 ksi and RB 100 respectively.
Typical Application for C17500 Cobalt Beryllium Copper Alloys:
Electrical Industry: Fuse Clips, Switch Parts, Relay parts, Connectors, Spring Connectors
Fasteners: Washers, Fasteners
Industrial: Springs, Seam Welding Dies, Resistance Welding Equipment, Resistance and Spot Welding Tips, Tooling for Plastic Moulds, Die– Casting Plunger Tips.
Available Sizes:
Custom Diameter & Sizes, Random Mill lengths
Available Products ( forms) :
Round bars, Round wires, Round tube,
Flat bars, Square bars, Rectangular bars, Hexagon bars, Plates, Sheets, Coils
Custom shapes are available upon request.

Chemical Composition:
Be: 0.40-0.70%
Co: 2.40-2.70%
Cu: Balance
Note: Copper plus additions equal 99.5% minimum.

Typical Physical Properties:

Density ( g/ cm3) : 8.83
Density before age hardening ( g/ cm3) : 8.75
Elastic Modulus ( kg/ mm2 ( 103) ) : 14.10
Thermal Expansion Coefficient ( 20 ° C to 200 ° C m/ m/ ° C) : 18 x 10-6
Thermal Conductivity ( cal/ ( cm-s-° C) ) : 0.48
Melting Range ( ° C) : 1000-1070
Note:
1) . the units are based upon Metric.
2) . the typical physical properties apply to age hardened products.