28
Cu
Copper
%98.7-99.7
Copper Alloys
KUPROY® 1
Chromium Zirconium Copper / CuCr1Zr (KUPROY® 1)
KUPROY® 1 is a high-conductivity CuCr1Zr copper alloy for resistance welding electrodes, mold inserts, current-carrying parts and thermally loaded machine components.
- DIN
- 2.1293
- Density
- 8.9 g/cm³
01. Chemical Composition (%)
24
Cr
Chromium
% 0.5-1.2
40
Zr
Zirconium
%0.03-0.3
02. Mechanical Properties
| Property | Unit | Value | Test Method |
|---|---|---|---|
| Hardness | — | 120 - 150 HB | — |
| Tensile Strength (Rm) | — | 400 - 500 N/mm² | — |
| Yield Strength (Rp0.2) | — | 350 N/mm² Min. | — |
| Density | — | 8.90 g/cm³ | — |
03. Applications
- Resistance Welding: Spot welding electrodes, seam welding disks, and electrode holders for automotive and industrial manufacturing.
- Plastic Injection Molding: High-performance cooling pins, cores, and mold inserts where rapid heat dissipation is critical.
- Continuous Casting: Mold plates and components for the continuous casting of steel and non-ferrous metals.
- Electrical Engineering: Heavy-duty contacts, switchgear components, and high-voltage circuit breaker parts.
- Power Transmission: Connectors, studs, and terminals subject to high thermal and electrical loads.
- Machined Components: Precision parts shaped via wire EDM requiring both high conductivity and mechanical strength.
- Industrial Cooling: Heat exchanger components and nozzles exposed to high operating temperatures.
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
Use KUPROY® 1 where electrical conductivity, mechanical strength, thermal stability and wear resistance must be balanced in one copper alloy. Çorum Bronz supplies semi-finished stock and machined components for demanding industrial applications.