28
Cu
Copper
% 99,99
Copper Alloys
KUPROY® 4
Nickel Silicon Copper / CuNi2Si (KUPROY® 4)
KUPROY® 4 is a beryllium-free CuNi2Si copper alloy for welding electrodes, mold cooling inserts, switchgear parts and demanding conductive components.
- ISO
- DIN EN 13601 / CW004A / C11000
- DIN
- 2.0060
- Density
- 8.8 g/cm³
01. Chemical Composition (%)
02. Mechanical Properties
| Property | Unit | Value | Test Method |
|---|---|---|---|
| Hardness | — | 45 - 90 HB | — |
| Tensile Strength (Rm) | — | 200 - 360 N/mm² | — |
| Yield Strength (Rp0.2) | — | min. 150 N/mm² | — |
| Density | — | 8.92 g/cm³ | — |
03. Applications
- Electrical Engineering: Busbars, motor windings, and transformer components.
- Power Transmission: High-voltage connectors, terminals, and power cables.
- Telecommunications: Precision conductive parts and signal transmission components.
- Industrial Manufacturing: Heat exchangers, cooling plates, and chemical equipment.
- Architecture & Design: Roof coverings and decorative conductive elements due to its aesthetic aging (patina).
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
Selected as a safer alternative to beryllium copper in many tooling and resistance welding applications, KUPROY® 4 combines good conductivity, mechanical strength and thermal performance.