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
01. Chemical Composition (%)
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Copper
(Cu)
%98.7-99.7
Chromium
(Cr)
% 0.5-1.2
Zirconium
(Zr)
%0.03-0.3
02. Supply Forms
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Custom Casting
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Hollow Bar / Pipe
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Flat Bar / Plate
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Round Bar
03. Mechanical Properties
engineering| Property Name | Imperial (psi) | Metric (MPa) | 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 |
04. Technical Resources
folder_open05. Compliance Standards
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DIN EN 1982
CW106C
AISI / SAE / UNS
C18200
DIN (Germany)
CuCrZr / 2.1293
BS
CC102
AFNOR
U-Cr 0.8 Zr
Areas of Use
settings_suggest| 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. |
Notes
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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.