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Copper Chromium Zirconium Machining: Unlocking the Potential of High-Strength Alloys

Copper Chromium Zirconium (CuCrZr) is a high-strength copper alloy that has gained significant attention in recent years for its remarkable properties. This alloy has excellent electrical and thermal conductivity, making it a popular choice for various industries, including aerospace, automotive, and electronics. In this blog post, we will explore the unique characteristics of CuCrZr, its applications, and the best practices for machining this high-strength alloy.

Properties and Applications of CuCrZr

CuCrZr is an alloy that combines the benefits of copper, chromium, and zirconium. The addition of chromium and zirconium to copper results in a material that exhibits high strength, excellent electrical and thermal conductivity, and outstanding resistance to wear and corrosion. Some of the key properties of CuCrZr include:

High electrical conductivity: CuCrZr has an electrical conductivity of about 80% IACS (International Annealed Copper Standard), making it an excellent choice for electrical applications.

High thermal conductivity: With a thermal conductivity of around 350 W/mK, CuCrZr is suitable for heat transfer applications, such as heat sinks and heat exchangers.

High strength: The alloy has a tensile strength of up to 500 MPa, making it suitable for high-strength applications where traditional copper alloys may not be sufficient.

Due to these exceptional properties, CuCrZr is widely used in industries such as:

Aerospace: CuCrZr is used in electrical connectors, switches, and other components in aircraft and spacecraft.

Automotive: The alloy is employed in electric vehicles for battery connectors, busbars, and other high-current applications.

Electronics: CuCrZr is used in semiconductor manufacturing for heat sinks, cooling plates, and other thermal management components.

Energy: The alloy is utilized in power generation and distribution applications, such as switchgear and transformer components.

Machining CuCrZr: Best Practices

Machining CuCrZr can be challenging due to its high strength and work-hardening properties. However, with the right techniques and tools, it is possible to achieve excellent results. Here are some best practices for machining CuCrZr:

1. Tool selection: Choose carbide or coated carbide tools for machining CuCrZr, as they provide better wear resistance and longer tool life compared to high-speed steel (HSS) tools.

2. Cutting speed and feed rates: Use moderate cutting speeds and feed rates to minimize work hardening and tool wear. It is essential to maintain a consistent chip load to avoid work hardening.

3. Coolant: Employ a high-quality cutting fluid to reduce friction and heat generation during machining. This will help prevent work hardening and extend tool life.

4. Work holding: Use secure work holding methods to prevent movement and vibration during machining. This will ensure better surface finishes and dimensional accuracy.

5. Deburring: CuCrZr is prone to burr formation during machining. Use appropriate deburring techniques, such as manual deburring or vibratory finishing, to remove burrs and achieve clean, smooth edges.

In conclusion, CuCrZr is a high-strength copper alloy with exceptional properties that make it suitable for various applications in aerospace, automotive, electronics, and energy industries. By understanding the unique characteristics of this alloy and employing the best machining practices, manufacturers can unlock the full potential of CuCrZr and create high-quality, high-performance components.

CNC Copper Machining

CNC Machining Copper Material is good electrical conductivity, thermal conductivity, it is soft and good for machining as it has high plasticity, it is easily and rapidly to carry out desired shape as machining cutter can run faster than other steel materials, and also reach high precision.

Copper has a shiny reddish-orange finish, which varies slightly based on the surface finish method. Copper can be media-blasted and polished to achieve many different cosmetic surface finishes.

CNC Machining Copper Parts are widely used in the manufacture of electrical wires, cables, electric brushes, electric spark, and other electrical devices and products.

CNC Copper Machining

Benefits of CNC Copper Machining

1/ CNC Machining Copper Parts are excellent in electricity conductivity, supporting very good electric function

2/ CNC Machining Copper Parts are soft, easy to design into different shape, also suitable for many processes

3/ Copper is easy for cutting and machining, its production efficiency is much higher than steel series

4/ Good propriety for bending and shaping

5/ Heat transferring function very good, high resistance, temperature stability, long durable using

6/ Stable surface, non-surface treatment is durable, electroplating is also used on copper parts

CNC Copper Machining

Composition And Property of CNC Machining Copper

Copper Property Alloy Type Content Melting Point Hardness Tensile Strength Density
Cu-based Zn, Sn, Si, Al, Ni 1083°C HB35-45 Low 8.9 g/cm3

Common Materials Code of CNC Machining Copper

Copper Alloy Workable Processes Surface Finishing for Copper Parts Materials Code
CNC Turning, CNC Milling, CNC Drilling, Molding, Forging, Fabrication, Welding, etc. Passivation, Anodizing, Plating, Chemical Polishing, etc. Copper 110
Copper 101
Copper 145
other more Copper Alloy

Asianstar: Professional CNC Machining Supplier

From year of 2005, Asianstar Company establish the CNC Machining Factory in Guangdong Province, China.
We mostly provide CNC Turning, Milling, Drilling, Grinding, and Multi Machining processes service on various materials.
With the Belief of becoming a key supplier in the supply-chain of Precision Components, we strictly control our product quality, keep high precision on our components production, buildup the whole-process QC System and submit the satisfaction for every order.
By long term development, we have buildup partnership with world-wide clients, supporting our partners in Designing, Optimizing, Producing and Testing on each type of components.


Advantages of Asianstar CNC Copper Machining

Strong Facilities

Asianstar many CNC and stamp machines allow us to produce various copper parts, different sizes, and structures are all well done by suitable solution

Long-term Skills

Asianstar professional engineers team has experience from year 2005, producing copper parts for world wide electric products

Stable Quality

Asianstar QC system and QC tools guarantee our products are perfect result. We have procedures to control copper parts quality during production

Competitive Price

Asianstar aim to buildup partnership with clients, always choose best suitable facilities to carry out the components in competitive prices


CNC Brass Machining


CNC Machining Brass material is used for wide range components, we support clients to produce a variety of parts such as gears, locks, electronics, pipe fittings, etc.

CNC Copper Machining


CNC Machining Copper material is soft and easy to machining on different shape of components. We mostly produce copper components for electric devices by machining and stamping

CNC Aluminum Machining


CNC Machining Aluminum materials is one of our most used materials. We support clients to turning, drilling or milling on aluminum material from size 0.5mm to 470mm

CNC Stainless Steel Machining

Stainless Steel

CNC Machining Stainless Steel are common material for wide range components, we produce Stainless Steel turning parts, milling parts, high smoothness components, etc.

CNC Titanium Machining


CNC Machining Titanium material brings components superb features, we use titanium to produce high precision work-piece for clients from aircraft, aerospace, medical devices

CNC Plastic Machining


Our CNC Machining Plastic materials includes ABS, HDPE, LDPE, Nylon, POM, Peek, Polycarbonate, etc. We produce them in high precision and high smoothness.


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