CuCrZr alloy powder as a precipitation-hardening copper alloy, CuCrZr exhibits higher strength, wear resistance, and tempering resistance at high temperatures compared to most copper-based alloys. It also possesses good castability, machinability, excellent mechanical properties, and superior thermal conductivity, making it renowned for its excellent comprehensive performance!
Precipitation-strengthened copper-based alloy powders achieve a balance between high strength and high electrical and thermal conductivity through nanoscale precipitates of chromium and zirconium; they are widely used in 3D printing (SLM/EBM), powder metallurgy, and thermal spraying/laser cladding.

1,Mechanical properties (after solution treatment and aging): tensile strength 450–600 MPa, Vickers hardness HV 120–160, elongation 10–20%; remains stable at high temperatures of 400–500℃, with strong resistance to creep and arc erosion.
2,Electrical/thermal properties: Electrical conductivity 75–85% IACS; thermal conductivity 330–380 W/(m・K), far superior to ordinary steel, suitable for high heat dissipation scenarios.
3,Processing and heat treatment: Solution treatment (around 980℃) + aging (490–550℃, 1–3 h, inert atmosphere) can be performed; different aging temperatures can optimize electrical conductivity or tensile strength respectively.

Application of CuCrZr alloy powder in 3D printing
1,In the aerospace field: Aerospace components typically have complex shapes and stringent performance requirements. The high strength, good thermal and electrical conductivity, and machinability of CuCrZr alloy powder make it suitable for manufacturing aero-engine components, aircraft structural parts, rocket engine components, etc. For example, in the thrust chamber components of next-generation engines, 3D-printed CuCrZr alloy parts can reduce the number of parts, shorten development time, and make it easier to manufacture components with complex integrated functions.
2,In the electronics field: Due to its excellent electrical conductivity, it can be used to manufacture components such as heat sinks, conductive connectors, and electrodes in electronic devices. In the electronics field, where high precision and performance requirements for components are necessary, additive manufacturing technology can meet these requirements.
3,In the automotive sector: The automotive industry is constantly increasing its requirements for lightweight and high-performance parts. CuCrZr alloy powder can be used to manufacture automotive engine parts, transmission system parts, battery connectors for new energy vehicles, etc., which can improve vehicle performance and fuel efficiency.
4,In the mold manufacturing field: molds need to have high hardness and wear resistance. CuCrZr alloy powder can be used to manufacture molds with complex shapes through 3D printing, such as injection molds and stamping molds, thereby improving the manufacturing precision and service life of molds.
5,In the medical field, CuCrZr alloy powder can be used to manufacture components for medical devices, such as surgical instruments and dental prostheses. Its excellent biocompatibility and mechanical properties meet the requirements of medical applications.

Product composition and powder properties
|
element |
Content range |
|
Cu |
Balance |
|
Cr |
0.5–1.5% |
|
Zr |
0.02–0.30% |
|
Impurities (Fe, Si, O) |
Extremely low (O < 500ppm) |
Key parameters of powder:
-Particle size: 15–53 μm is commonly used in additive manufacturing; 45–106 μm can be allowed for thermal spraying;
-Morphology: Near-spherical to perfectly spherical, with good flowability (typically < 12 s/50 g);
-Loose density: >4.8 g/cm³; Tapped density > 6.0 g/cm³;
-Color: Metallic copper color; spherical particles appear as bright spheres under a microscope.
Storage and Usage Precautions
-Store in a sealed, moisture-proof environment under a dry, inert gas (Ar/N₂); avoid prolonged exposure to humid air to prevent oxidation;
- high-purity argon gas is required during 3D printing to prevent high-temperature oxidation; copper has high laser reflectivity and requires matching with specific parameters.
Application

Additive manufacturing

Powder metallurgy(PM)

Metal injection moldinb(MIM)
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We are based in Hunan, China, our product sell to Asia, Europe, America, North America and Southeast Asia, and we are fully capable of undertaking global business. There are total about 101-200 people in our factory
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3D printing metal powder ,MIM powder, Brazing powder&paste, Electronic paste, the products included are 316L,17-4ph,H13,FeSiAl,Inconel718,Inconel625, Silver based filler metal, Copper based filler metal, Nickel based filler metal, Silver paste,Rare earth products.
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