28
Cu
Copper
% 98.0 - 98.2
Copper Alloys
KUPROY® 2
Cobalt Beryllium Copper / CuCo2Be (KUPROY® 2)
KUPROY® 2 is a cobalt beryllium copper alloy for high-strength electrodes, mold components, switchgear parts and wear-resistant conductive applications.
- ISO
- CW101C
- DIN
- 2.1247
- Density
- 8.8 g/cm³
01. Chemical Composition (%)
4
Be
Beryllium
% 1.8 - 2.0
02. Mechanical Properties
| Property | Unit | Value | Test Method |
|---|---|---|---|
| Hardness | — | 330 - 390 HB | — |
| Tensile Strength (Rm) | — | 1000 - 1250 N/mm² | — |
| Yield Strength (Rp0.2) | — | min. 800 N/mm² | — |
| Elongation A5 | — | % 3 min. | — |
03. Applications
- Aerospace & Defense: Bushings, landing gear components, and fasteners requiring extreme durability
- Oil & Gas: Non-sparking safety tools, drilling equipment, and downhole instrument housings
- Electrical & Electronics: High-performance spring contacts, switchgear parts, and connectors.
- Tooling & Manufacturing: Plastic injection mold inserts and core pins requiring high strength and moderate conductivity.
- Precision Engineering: Diaphragms, bellows, and high-stress springs.
04. Supply Forms
Supply FormsCustom Casting, Hollow Bar / Pipe, Flat Bar / Plate, Round Bar
05. Standards and Comparable Grades
06. Technical Description
View Detailed Technical Description
The CuCo2Be chemistry provides high mechanical strength with useful conductivity, making KUPROY® 2 suitable for resistance welding, tooling, electrical contacts and precision machined components.