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Is Beryllium Copper Dangerous to Machine? Understanding the Risks and Precautions

Beryllium copper, also known as beryllium bronze or spring copper, is a copper alloy with 0.5-3% beryllium content. This alloy is widely used in various industries due to its excellent mechanical properties, such as high strength, resistance to wear and corrosion, and electrical conductivity. However, when it comes to machining beryllium copper, there are potential dangers and health risks that must be addressed. In this blog post, we will discuss the hazards associated with machining beryllium copper and the necessary precautions to ensure the safety of those involved in the process.

Hazards of Machining Beryllium Copper

The primary concern when machining beryllium copper is the potential for exposure to beryllium particles, which can be released into the air during the cutting, grinding, or polishing process. Inhalation of beryllium particles can lead to a severe lung condition called chronic beryllium disease (CBD), which may cause shortness of breath, coughing, chest pain, and even death in severe cases.

Another risk associated with beryllium copper is the possibility of skin contact with the alloy, which can cause an allergic reaction called contact dermatitis. Symptoms of contact dermatitis include itching, redness, and swelling of the skin.

In addition to these health risks, machining beryllium copper can also pose a fire hazard. The alloy's high electrical conductivity and low sparking properties can create a risk of electrical short circuits and fires during the machining process.

Precautions for Machining Beryllium Copper

To minimize the risks associated with machining beryllium copper, it is essential to implement proper safety measures and follow best practices. Some of the key precautions to consider include:

1. Ventilation and Air Filtration:Ensure that the machining area is well-ventilated and equipped with an air filtration system to capture and remove beryllium particles from the air. This will help reduce the risk of inhalation exposure.

2. Personal Protective Equipment (PPE):Workers should wear appropriate PPE, such as respirators, gloves, and protective clothing, to minimize the risk of beryllium exposure. A respirator with a high-efficiency particulate air (HEPA) filter is recommended to protect against beryllium particles.

3. Proper Machining Techniques:Use machining techniques that generate fewer airborne particles, such as wet machining or the use of vacuum systems to collect dust and debris. Additionally, avoid using compressed air to clean beryllium copper parts, as this can disperse particles into the air.

4. Training and Education:Ensure that workers are trained and educated on the hazards of beryllium copper and the necessary precautions to take during the machining process.

5. Housekeeping and Maintenance:Regularly clean and maintain the machining area to prevent the accumulation of beryllium particles. Use wet cleaning methods, such as mopping or wiping with a damp cloth, to avoid dispersing particles into the air.

6. Fire Safety Measures:Implement fire safety measures, such as proper grounding and bonding of equipment, to minimize the risk of electrical short circuits and fires during the machining process.

7. Medical Surveillance:Establish a medical surveillance program to monitor the health of workers who are exposed to beryllium copper. This may include regular medical examinations, lung function tests, and blood tests to detect early signs of beryllium exposure.


Machining beryllium copper can be dangerous if proper precautions are not taken to protect workers from the potential hazards associated with this alloy. By implementing the necessary safety measures and following best practices, it is possible to minimize the risks and ensure the well-being of those involved in the machining process. Remember, the key to a safe and productive work environment is awareness, proper training, and adherence to safety protocols.

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

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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

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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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