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CuCrZr (CuCr1Zr, DIN 17666 - C15000, W .NR. 2.1293 –  Class 2 (II), CuCrZr, CW106C)

Chemical composition

CuCrZr - CW106C

Cu: Rest
Cr: 0.5 - 1.20
Zr: 0.10 - 0.30
Others: 0.20 Max

Mechanical composition

CuCrZr - CW106C

Hardness: 120-165
Yield Strenght: 410
Tensile Strenght: 500
Elongation: 16

Applications of CuCrZr

CuCrZr - CW106C

Cap welding electrodes
Wire mesh electrodes
Automotive chassis welding
Seam welding pipe and profile welding 
Electrical applications

Forms of CuCrZr

CuCrZr - CW106C

Bare plate
Bare rotunde
Inele
Discuri
Piese prelucrate mecanic
Table

CuCrZr (CuCr1Zr, DIN 17666 - C15000, W .NR. 2.1293 –  Class 2 (II), CuCrZr, CW106C)

CuCrZr Alloy – High Strength, High Conductivity Copper Alloy

CuCrZr is a high-performance copper alloy, primarily composed of copper (Cu) with small amounts of chromium (Cr) and zirconium (Zr). This combination provides excellent electrical and thermal conductivity, high mechanical strength, and superior wear resistance, making it ideal for demanding industrial applications.

CuCrZr is widely used in electrical contacts and connectors, resistance welding electrodes, injection molds, heat exchangers, and aerospace components where high conductivity and mechanical strength are critical.

The alloy is typically subjected to heat treatment, including solution annealing, quenching, and aging, to maximize hardness, strength, and thermal stability. CuCrZr maintains its properties under high temperatures, making it suitable for high-temperature and high-stress environments.

Optima Metals supplies CuCrZr bars, rods, and custom components with 3.1 certification and optional ultrasonic testing, ensuring the highest quality standards for your industrial needs.

CuCrZr, copper chromium zirconium alloy, high conductivity copper alloy, high-strength copper alloy, resistance welding electrodes, injection mold copper alloy, aerospace copper alloy, heat-treated CuCrZr.

Specifications

  • High electrical and thermal conductivity: The copper base provides excellent conductivity for electrical and thermal applications.

  • Enhanced strength: The addition of chromium and zirconium significantly increases strength and hardness while maintaining good conductivity.

  • Good wear and corrosion resistance: Exhibits strong resistance to wear and corrosion, especially in demanding environments.

  • Thermal stability: CuCrZr retains its properties at elevated temperatures, making it suitable for high-temperature applications.

Applications

  • Electrical contacts and connectors: Due to excellent conductivity and wear resistance.

  • Heat exchangers and thermal management: Used in systems requiring efficient heat transfer.

  • Aerospace and Defense: For high-performance components where strength and conductivity are critical.

  • Fusion and Particle Accelerators: Often used in components exposed to plasma, thanks to its ability to withstand extreme thermal and mechanical stresses.

  • Injection molds and resistance welding electrodes: Due to high wear resistance and thermal stability.

Heat treatment

CuCrZr is typically subjected to heat treatment to enhance its properties. The standard process includes:

  • Solution annealing: Dissolves chromium and zirconium into the copper matrix at high temperatures.

  • Quenching: Rapid cooling to retain the alloying elements in solution.

  • Aging: Controlled heat treatment at lower temperatures to precipitate chromium and zirconium phases, increasing strength and hardness.

This alloy is widely used in industries that require a balance between conductivity and mechanical strength.

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