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High-Performance Copper Alloys

Precision engineering metallurgical solutions optimized for extreme mechanical stress, thermal conductivity, and corrosive environments.

Current Standards

EN 1982:2017

Stock Status

In Stock

DIN EN 12163 / CW111C / 2.0855

KUPROY® 4

DIN EN 12163 / CW111C / 2.0855

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KUPROY® 4 is a high-performance, precipitation-hardened copper alloy that offers an excellent balance of electrical conductivity and mechanical strength. By alloying copper with Nickel and Silicon, this material provides superior resistance to wear and thermal stress. It is a preferred engineering solution for components that require high reliability under both electrical and mechanical loads.
Tensile Strength (Rm... 550 - 650 N/mm²
Yield Strength (Rp0.... min. 450 N/mm²
Hardness 160 - 190 HB
CuZn40Pb2 / CW617N / C38000

CuZn40Pb2

CuZn40Pb2 / CW617N / C38000

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CuZn40Pb2 (CW617N) is the industry-standard alloy for hot forging and complex pressing. Specifically engineered with a high zinc content to provide exceptional ductility at high temperatures, it allows for the production of intricate shapes with high structural integrity. It combines superior hot-forming properties with good machinability, making it the primary choice for valves, fittings, and complex hardware.
Density 8.45 g/cm³
Hardness min. 90 HB
DIN EN 12164 / CW614N / 2.0401

CuZn39Pb3

DIN EN 12164 / CW614N / 2.0401

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CuZn39Pb3 (CW614N) is the global benchmark for high-speed machining and automatic lathe work. Known as "Free Machining Brass," this alloy contains a specific lead content that ensures excellent chip breaking and minimal tool wear. It is the most cost-effective and efficient material for high-volume production of intricate parts requiring a superior surface finish.
Tensile Strength (Rm... 360 - 500 N/mm²
Yield Strength (Rp0.... 250 - 400 N/mm²
Hardness 90 - 150 HB
CW101C

KUPROY® 3

CW101C / 2.1247

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CuBe2 is the strongest of all copper-based alloys, offering mechanical properties comparable to many high-strength steels but with the added benefits of copper’s thermal and electrical conductivity. Often referred to as "The Master Alloy," it achieves its peak performance through precipitation hardening, resulting in extraordinary hardness, fatigue resistance, and durability.
Hardness 330 - 390 HB
Tensile Strength (Rm... 1000 - 1250 N/mm²
Yield Strength (Rp0.... min. 800 N/mm²
Elongation A5 % 3 min.
DIN EN 12163 / CW104C / 2.1285

KUPROY® 2

DIN EN 12163 / CW104C / 2.1285 / 2.1285

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KUPROY® 2 is a high-performance copper alloy that bridges the gap between high conductivity and extreme mechanical strength. By alloying copper with Cobalt and Beryllium, this material achieves exceptional hardness and thermal stability through precipitation hardening. It is the premier choice for applications where high thermal conductivity must be paired with resistance to mechanical wear and high temperatures.
Hardness 220 - 250 HB
Tensile Strength (Rm... 650-750 N/mm²
Yield Strength (Rp0.... min. 500 N/mm²
Elongation A5 min 10 %
DIN EN 13601 / CW004A / C11000

KUPROY®

DIN EN 13601 / CW004A / C11000 / 2.0060

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KUPROY  (Cu-ETP) is a high-purity electrolytic tough pitch copper characterized by its exceptional electrical and thermal conductivity. With a minimum copper content of 99.90%, it is the primary material for electrical engineering and power transmission. It offers excellent formability and solderability, making it the industry standard for high-efficiency conductive components.
Hardness 45 - 90 HB
Tensile Strength (Rm... 200 - 360 N/mm²
Yield Strength (Rp0.... min. 150 N/mm²
Density 8.92 g/cm³

KUPROY® 1

2.1293

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Developed by Çorum Bronz, KUPROY 1 (CuCrZr) is a specially alloyed resistance welding copper that combines maximum electrical and thermal conductivity with high mechanical hardness. It provides superior heat transfer and erosion resistance in resistance welding (spot welding) electrodes, plastic injection molds, and heavy-duty electrical contacts.
Hardness 120 - 150 HB
Tensile Strength (Rm... 400 - 500 N/mm²
Yield Strength (Rp0.... 350 N/mm² Min.
Density 8.90 g/cm³