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Unlocking the Potential of Machinable Copper Alloys: Properties, Applications, and Tips for Success

Welcome to our blog, where today we'll be exploring the fascinating world of machinable copper alloys and their wide-ranging applications. Copper is highly valued for its excellent electrical and thermal conductivity, but its machinability can be challenging in its pure form. By alloying copper with other elements, we can create materials that offer improved machinability without sacrificing the desirable properties of copper. Let's dive in and unlock the potential of these versatile alloys.

The Appeal of Machinable Copper Alloys

Machinability refers to the ease with which a material can be cut, shaped, or manipulated using various machining processes, such as milling, turning, and drilling. Machinable copper alloys are specifically designed to offer better machinability than pure copper, making them ideal for intricate and detailed work in a wide range of industries.

Popular Machinable Copper Alloys and Their Applications

Several copper alloys have been developed to enhance machinability and cater to different applications. Here are some of the most popular machinable copper alloys and their uses:

1. C14500 (Tellurium Copper): By adding small amounts of tellurium to copper, we create an alloy with excellent machinability and electrical conductivity. Tellurium copper is commonly used for electrical connectors, switchgear components, and other parts that require complex machining.

2. C36000 (Free-Cutting Brass): Although a brass alloy, free-cutting brass consists of approximately 61% copper, making it a suitable machinable copper alloy. The addition of lead enhances its machinability, and C36000 is widely used for precision-turned parts, such as fittings, valves, and gears.

3. C93200 (Tin Bronze): Tin bronze is an alloy of copper, tin, and other elements, including lead, which improves its machinability. Known for its good wear resistance, tin bronze is often used for bearings, bushings, and other wear-resistant components.

4. C17200 (Beryllium Copper): Beryllium copper is an alloy with high strength, excellent electrical conductivity, and good machinability. It is commonly used in applications requiring high strength and wear resistance, such as electrical contacts, springs, and bearings.

Tips for Successfully Machining Copper Alloys

To ensure a smooth and efficient machining process when working with machinable copper alloys, follow these tips:

1. Choose the right cutting tools: Sharp and well-maintained cutting tools are essential for achieving a clean cut and a high-quality surface finish. Carbide or coated tools are recommended for machining copper alloys, as they offer better wear resistance and longer tool life.

2. Optimize cutting speed and feed rate: The ideal cutting speed and feed rate will depend on the specific copper alloy and the desired surface finish. In general, higher cutting speeds and lower feed rates are recommended for improved machinability.

3. Manage heat generation: Copper alloys are known for their high thermal conductivity, which can lead to rapid heat generation during machining. Using coolant and selecting the appropriate cutting speed can help manage heat generation and prolong tool life.

4. Use lubricants: Applying lubricants during the machining process can help reduce friction and heat generation, resulting in a smoother cut and improved surface finish.


Machinable copper alloys offer a world of possibilities, combining the desirable properties of copper with improved machinability for a wide range of applications. By understanding the characteristics and uses of these alloys, you can harness their full potential in your projects. Armed with the right tools and machining techniques, machinable copper alloys can provide efficient and high-quality solutions for industries from electronics to automotive and beyond.

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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