28
Cu
Copper
%97 - 98
Copper Alloys
KUPROY®
Electrolytic Pure Copper / Cu-ETP (KUPROY®)
KUPROY® Cu-ETP is high-purity electrolytic copper for busbars, connectors, grounding parts, conductive terminals and heat-transfer components.
- ISO
- DIN EN 12163 / CW104C / 2.1285
- DIN
- 2.1285
- Density
- 8.80 g/cm³
01. Chemical Composition (%)
27
Co
Cobalt
% 2.0 - 2.7
4
Be
Beryllium
% 0.4 - 0.7
28
Ni
Nickel
% 0.3 max
02. Mechanical Properties
| Property | Unit | Value | Test Method |
|---|---|---|---|
| Hardness | — | 220 - 250 HB | — |
| Tensile Strength (Rm) | — | 650-750 N/mm² | — |
| Yield Strength (Rp0.2) | — | min. 500 N/mm² | — |
| Elongation A5 | — | min 10 % | — |
03. Applications
- Plastic Injection Molding: High-efficiency cooling pins, core inserts, and nozzles that require rapid cooling cycles.
- Resistance Welding: Projection welding electrodes, electrode holders, and seam welding disks for stainless steel.
- Electrical Engineering: High-stress electrical contacts, heavy-duty switchgear, and springs requiring high conductivity.
- Foundry Technology: Plunger tips for cold chamber die-casting machines.
- Aviation & Defense: Bushings and structural components requiring a non-sparking, high-strength material.
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
With high electrical and thermal conductivity, KUPROY® Cu-ETP is supplied for power distribution, electrical panels, electronic components, heat exchangers and custom conductive parts.