Metal Laser Engraving Machines Laser Etching Marking Metal Aluminum Stainless Steel

What is Metal Laser Engraving?

Metal laser engraving is an efficient, precise and advanced process for engraving designs, patterns or text on metal surfaces. Metal laser engraving has become very popular and is used in a wide range of applications, both industrial and artistic. Laser engraving is an excellent way to add personalized designs or markings to metal objects, it is a versatile process that offers a high level of precision and flexibility to produce intricate designs. This is not possible using traditional engraving techniques. The process is cost-effective and the engraving is highly durable, long-lasting and weather-resistant, making it ideal for a wide range of applications including signs, labels, nameplates and branding.

What is Metal Laser Engraving?

How To Laser Engrave Metal?


Before laser engraving metal, a series of preparatory work is required, including preparing the metal material to be processed, laser engraving machine, focusing lens, auxiliary gas, etc. At the same time, it is also necessary to debug and calibrate the laser engraving machine to ensure its normal operation and processing quality.

Design And Processing Pattern

Before laser engraving metal, it is necessary to design the processing pattern first. The design of the processing pattern can be drawn and edited as needed using Lightburn software or other professional design software, and then imported into the laser engraving machine for processing.

Set Processing Parameters

Before laser engraving metal, it is necessary to set the parameters of the laser engraving machine to ensure that it can adapt to the processing needs of different materials. It mainly includes the following aspects:

  1. Laser power setting: According to the type and thickness of the metal material to be processed, set the appropriate laser power to ensure that it can quickly heat the metal material above the melting point.
  2. Scanning speed setting: According to the type and thickness of the metal material to be processed, set the appropriate scanning speed to ensure that it can be processed quickly.
  3. Focus lens focal length setting: According to the thickness of the metal material to be processed and the requirements of the processing pattern, set the appropriate focus lens focal length to ensure that the laser beam can be accurately focused on the surface of the metal material.
  4. Auxiliary gas setting: When laser engraving metal, it is necessary to use some auxiliary gases, such as oxygen and nitrogen. The auxiliary gas can help the laser beam to react better with the metal material and improve the processing effect.


After completing the above preparatory work, the laser engraving metal processing can be started. Specific steps are as follows:

  1. Place the metal material to be processed on the processing platform of the laser engraving machine and fix it.
  2. Turn on the power of the laser engraving machine, start the laser and the control system.
  3. Import the designed processing pattern into the laser engraving machine, and adjust and calibrate it.
  4. Set appropriate processing parameters according to the type and thickness of the metal material to be processed.
  5. Start the laser engraving machine and start processing. During the processing, it is necessary to pay attention to the control of parameters such as the focus of the laser beam, the processing speed and the gas flow rate, so as to ensure the processing quality.
  6. After finishing the processing, turn off the power of the laser engraving machine, and take out the processed metal material.

Cleaning And Maintenance

After laser engraving metal, cleaning and maintenance work is required to ensure the normal operation and processing quality of the laser engraving machine. Specific steps are as follows:

1. Clean the processing platform and focusing lens of the laser engraving machine to remove metal material residues and dust.

2. Check the operation of the laser and the control system to ensure its normal operation.

3. Regularly check and replace the auxiliary gas of the laser engraving machine to ensure its quality and flow.

4.Regularly maintain and maintain the laser engraving machine, such as replacing parts, cleaning the laser, etc.

Best Laser Engravers For Metal in 2023

The Most Powerful Quad-Laser S20 Pro

Higher Accuracy and Stability by Durable Mechanical Structure.
Supporting 100+ materials: Wood, Metal, Acrylic, Glass, Leather, etc.
Easy to use, smart, powerful and fast cutting machine for home, business and school.

The truth is that there are no differences between the Atomstack S20 Pro and the Atomstack X20 Pro laser engraver. The difference is only in color of the machine. They are all equipped with the same 20W quad-diode Atomstack M100 laser module.

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The World's First 6-core Diode 33W Laser

Atomstack S30 Pro is the most powerful diode blue light engraver in the world today, bar none, and it is a milestone in the development of laser technology.Powerful cutting and engraving ability can cut metal.Support stainless steel metal multi-color engraving, with 400+ color art engraving.

The World's First 33W Laser power output laser engraving machine. The latest 6*6W laser coupling technology, can cut 20mm wood board, 10mm black acrylic board at one pass, and even can cut 0.1mm stainless steel sheet. High density laser multiple times work can easily cut 25mm thick wood board, 30mm thick black acrylic; can directly engrave mirror stainless steel metal, ceramics, opaque glass and other materials.

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Laser Engraving Machine for Metal

ATOMSTACK P9 M50 laser engraving adopts the latest laser technology, with powerful functions and simple operation. This p9 m50 engraving machine can customize your desired logo on metal, stainless steel.

Metal laser engravers work by projecting highly concentrated laser beams onto metal surfaces. The laser essentially vaporizes the metal surface, leaving a permanent crevice. This requires a lot of energy, so laser engravers are powerful tools.

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Types Of Laser Engraving Machine For Metal

1. Fiber Laser Engraving Machine:

Fiber laser engravers use a solid-state laser source to create high-quality marks on metal surfaces. A laser beam is directed through a fiber optic cable and focused on the metal surface, evaporating the material to create the desired design. Fiber lasers are highly efficient and capable of producing high-quality marks with sharp edges, making them ideal for industrial and commercial applications.

Advantages of fiber laser engraving machine:
- High speed and high efficiency
- Excellent marking quality
- long lasting
- low maintenance cost
- low energy consumption
- Can mark a variety of metals including stainless steel, aluminum, brass and copper.

Limitations of fiber laser engraving machines:
- high initial cost
- limited engraving depth
- limited flexibility in terms of color and tone
- Not suitable for some non-metallic materials.

2. CO2 Laser Engraving Machine:

CO2 laser engravers use a gas laser source to create marks on metal surfaces. The laser beam passes through a series of mirrors and lenses before focusing on the metal surface. The laser melts the metal surface, creating the desired design. CO2 lasers are best for engraving plastic, wood, and acrylic, but can also be used for certain types of metal engraving.

Advantages of CO2 laser engraving machine:
- Low to moderate initial cost
- High flexibility in terms of color and tone
- Capable of marking on a range of materials, including non-metallic materials.
- Ideal for etching exclusive photos or removing coatings
- Ability to produce detailed and complex designs.

Limitations of CO2 laser engravers:
- Lower marking quality and resolution compared to fiber lasers
- Shorter lifetime compared to fiber lasers
- High maintenance costs and high energy consumption
- Limited marking depth and capacity on some metals
- Not suitable for some highly reflective metals such as copper.

3. YAG Laser Engraving Machine:

YAG laser engravers use a crystal laser source to etch designs into metal surfaces. The laser produces short pulses of light that are focused on the metal surface, causing the material to evaporate. YAG lasers are commonly used for applications that require deeper engraving on metals such as steel and titanium.

Advantages of YAG laser engraving machine:
- Enables deep marking on metal
- Low noise and vibration
- Capable of marking a range of metals including steel and titanium.

Limitations of YAG laser engravers:
- Lower marking quality and resolution compared to fiber lasers
- Shorter lifetime compared to fiber lasers
- High maintenance costs and high energy consumption
- limited flexibility in terms of color and tone
- Initial cost is higher than CO2 lasers.

Metal Engraving Photo Gallery

Laser Engrave Metal Materials

  1. Stainless steel:
    Stainless steel is one of the most commonly used materials for laser engraving because of its durability, versatility, and ability to provide high contrast and fine markings. Stainless steel is widely used in industrial applications such as medical equipment, kitchenware and automotive parts. It is also used in jewelry and accessories.
    Stainless steel has strong anti-rust and anti-corrosion capabilities, suitable for use in harsh environments. Its abrasion and tear resistance also makes it an excellent material for marking designs and details that last.
  2. Aluminum:
    Aluminum is another popular material for laser engraving, especially because it's lightweight, durable, and versatile. The metal is used in various industries including automotive, aerospace and electronics.
    Aluminum is also commonly used in building structures, including windows, doors and curtain walls. With laser engraving, it is possible to create detailed and intricate designs that can be used to enhance the look of metal.
  3. Brass:
    Brass is a soft and malleable material that is often used in engraving due to its beautiful color and texture. This metal is commonly used in jewelry, nameplates and trophies.
    Brass is also used in a variety of architectural and decorative applications due to its ability to acquire a rich patina over time. Laser engraving on brass produces a fine gold finish without sacrificing quality, making it one of the more elegant metals for laser engraving.
  4. Copper:
    Copper is a relatively soft metal that is often used in artistic and decorative applications. It is a popular metal used to adorn jewelry, kitchenware, and home and office decorations.
    Copper is ideal for laser engraving due to its high conductivity and low reflectivity. Laser engraving produces a delicate brown-red contrast that enhances the natural quality of the metal.
  5. Gold:
    Gold is a precious metal commonly used in jewelry, medals and plaques. This metal is often more difficult to engrave than other metals due to its high reflectivity and cost. Still, with the right laser engraving equipment and technique, it is possible to produce stunningly precise marks.
    Gold can be marked using fiber optic and CO2 lasers. Using a fiber laser produces high-contrast marks that stand out from the shiny surface of the gold.
  6. Silver:
    Like gold, silver is a precious metal used in jewelry, prizes and ornaments. The metal is relatively easy to engrave due to its moderate reflectivity, making markings visible from a range of angles.
    Silver has high thermal conductivity and responds well to laser marking. Engraved silver creates white contrast, making it an excellent choice for engraving photos, text and logos.
  7. Titanium:
    Known for its high strength-to-weight ratio, titanium is commonly used in the aerospace, medical and defense industries. It is also often used in jewelry and musical instruments.
    Laser engraving titanium produces a unique dark gray color, making it ideal for items such as bicycle frames and sports equipment.
  8. Zinc:
    Zinc is a soft metal and can be engraved using a laser. It is commonly used in the manufacture of items such as toy cars, alloys, and casting.
    Engraving zinc with a fiber laser produces clear and precise markings, making it an excellent choice for engraving barcodes or marking serial numbers.

Application Of Metal Laser Engraver

The precise and efficient nature of laser engraving has made it popular for industrial, commercial and personal use. There are many applications for metal laser engraving, including the following:

1. Industrial Nameplate:

Nameplates are vital for identifying all kinds of industrial equipment and machinery. Metal laser engraving produces durable and high-quality marks on metal surfaces, making it ideal for use in industries such as automotive, aerospace and medical devices. Laser engraving produces high-resolution marks that are easy to read and can withstand harsh environments.

Laser Engraved Industrial Nameplate

2. Jewelry And Accessories:

Laser engraving is common in the jewelry industry, adding a personal touch to rings, bracelets and necklaces. Laser-crafted intricate designs and fine details are perfect for adding a personal touch to custom creations. The marking produced by laser engraving is permanent, making it an ideal way to add a unique and special design to a precious gift.

Laser Engraved Jewelry

3. Awards And Trophies:

Laser engraving can be used to create individual and detailed designs on various awards and trophies. The metal used can vary from brass to aluminum, depending on the desired aesthetic. Laser marking on awards ensures they remain invaluable and appreciated for years to come.

4. Electronic Components:

Metal laser engraving is commonly used in the production of electronic components, including keyboards, computer cases and remote controls. It is ideal for marking part numbers, serial numbers, barcodes and logos. Precise marking enhances a product's brand and provides a way to track inventory and prevent counterfeiting.

5. Personalized Gift:

Laser engraving can add a personal touch to gifts, making them unique and cherished. Personalized gifts like watches, pens, wallets and picture frames are great options for laser engraving. Engravings can include names, dates, or custom messages to make gifts special and memorable.

Laser Engraved Personalized Gift

6. Signage:

Laser engraving can be used to create high-quality signage, including nameplates, information boards and directional signs. The precision and accuracy of laser engraving produces clear, legible markings, making it ideal for architectural and interior design purposes.

7. Art And Decorative Applications:

Laser engraving can be used to create unique artistic and decorative designs on metal surfaces, including wall hangings and sculptures. The versatility of laser marking is ideal for custom designs not limited by the physical limitations of traditional engraving methods.

How To Choose The Right Laser Engraver for Metal for Metal?

Choosing the right laser engraver for metal can be challenging considering the different types and models available on the market. Here are some basic factors to consider when choosing the right metal laser engraver:

  1. Laser Type:
    Laser engravers usually use CO2 lasers or fiber lasers. CO2 laser is suitable for most non-metal materials, but for metal materials, fiber laser is more suitable. Fiber lasers have a shorter wavelength and can penetrate metal surfaces more easily, allowing for finer engraving and cutting. At present, diode lasers are increasingly used in metal engraving, such as Atomstack S30 PRO and Atomstack S30 Pro.
  2. Power And Wattage:
    The more powerful a laser engraver is, the stronger and faster it will cut through metal surfaces. The wattage determines the power of the laser engraving machine, ranging from 5 watts to 200 watts. While lower wattages are preferred for small and complex designs, larger and complex designs and industrial applications require higher wattages.
  3. Engraving Speed:
    Engraving speed is an important factor because it determines how long it takes to complete a project or task. Speeds vary by the type and power of the laser engraver. The faster the engraver, the faster the job is done.
  4. Engraving Area:
    Before choosing a laser engraver, consider the area that needs to be engraved. The larger the engraving area, the more versatile the machine is for different types of projects. However, a larger engraving area can also come with a higher price tag.
  5. Material Compatibility:
    Laser engravers are designed and optimized for specific types of metals. Before choosing a metal laser engraver, consider the type of metal you plan to engrave. Materials with different chemical compositions, thicknesses, and non-metallic layers can affect the engraving process. Some common metal types include steel, aluminum, brass, titanium, gold, silver, and copper.
  6. Software Compatibility:
    Laser engraving requires software to generate the design or graphic to be engraved. Some laser engravers come with compatible software, while others may require additional software. Consider software compatibility with your operating system, complexity, and user interface.
  7. Maintenance and Repair:
    Laser engravers require regular maintenance to ensure they remain in good working order and produce precise and high-quality marks. Choose a laser engraver that has spare parts readily available and a maintenance provider that is easy to find. This will ensure that the machine can be repaired quickly and at a reasonable cost.
  8. Brand and Price:
    There are many different brands of laser engraving machines on the market, and the prices vary greatly. Generally speaking, laser engraving machines of well-known brands are more reliable in quality, but also more expensive. Therefore, when choosing a laser engraving machine, you need to choose according to your budget and needs
  9. Ergonomics:
    Ergonomics is an important consideration when choosing a laser engraver. Consider where you plan to use the machine and the space available. Choose a machine that is comfortable to use, easy to move around and has intuitive controls.

Common Problem Of Laser Engraving Metal

  1. Uneven Depth Of Engraving
    In the metal laser engraving process, due to the uneven hardness of the metal material, it may cause the problem of uneven engraving depth. The way to solve this problem is to adjust the power and focal length of the laser engraving machine to ensure that the laser beam can penetrate the metal surface evenly.
  2. The Engraved Pattern Is Distorted
    During the metal laser engraving process, there may be problems with engraved pattern distortion. This may be caused by the laser head moving too fast or the laser beam not being stable enough. The way to solve this problem is to adjust the moving speed of the laser engraving machine and the stability of the laser beam to ensure that the engraving pattern can remain complete and accurate.
  3. Engraving Edge Burrs
    During the metal laser engraving process, there may be problems with engraved edge burrs. This may be caused by insufficient focus of the laser beam or insufficient distance between the laser head and the metal surface. The way to solve this problem is to adjust the focal length of the laser engraving machine and the distance between the laser head and the metal surface to ensure smooth and burr-free engraving edges.
  4. Laser Engraving Speed Is Too Slow
    During the metal laser engraving process, there may be a problem that the laser engraving speed is too slow. This may be caused by insufficient power of the laser engraving machine or excessive hardness of the metal material. The way to solve this problem is to adjust the power and focal length of the laser engraving machine to ensure that the laser engraving speed can reach the expected level.
  5. Metal Material Deformation After Engraving
    During the metal laser engraving process, there may be a problem of deformation of the metal material after engraving. This may be caused by excessive heating or mechanical stress of the metal material during laser engraving. The solution to this problem is to adjust the power and focus of the laser engraver to ensure that the metal material is not subjected to excessive heating or mechanical stress.

Advantages Of Metal Laser Engraving Machine

1. High Precision:

Metal laser engraving technology can achieve very high precision, and the diameter of the laser beam can reach several microns, so the engraved patterns are very fine. This high-precision feature makes metal laser engraving technology widely used in manufacturing and jewelry industries.

2. High Quality:

Laser marking produces high-quality marks that add aesthetic value to different metal surfaces. It provides a clean surface with excellent resolution, clarity and contrast to marking, outperforming other marking methods such as etching and stamping.

3. Durability:

Metal laser engraving is extremely durable and long-lasting. This process creates a permanent mark on the metal surface that resists scratches, fading and abrasion. Laser etched markings are highly robust and can withstand exposure to harsh chemicals, UV radiation, weather conditions and friction.

4. Non-Contact Processing:

Metal laser engraving technology is a non-contact processing technology that will not cause mechanical damage or thermal deformation to metal materials. This non-contact processing feature enables metal laser engraving technology to be used in a wider range of application scenarios, such as for thin-walled metal materials, mirror surfaces, etc.

5. High Speed:

Laser engraving is a quick process, ideal for industrial applications that require a quick turnaround, especially when compared to traditional methods such as machining or hand engraving. Laser engravers can process metal surfaces with incredible speed, allowing for quick production or project completion.

6. Customization:

Laser engraving allows for customization, making it ideal for personalizing items or creating specific designs on metal surfaces. The process offers a high degree of customization, allowing complex designs to be printed, which would have been challenging with traditional methods.

7. Environmental Protection:

Metal laser engraving technology is a very environmentally friendly processing technology. Compared with traditional mechanical processing technology, metal laser engraving technology does not need to use any chemicals and lubricants, and will not produce pollutants such as waste water and waste gas. This environmental protection feature makes metal laser engraving technology receive more and more attention and favor.

What's the Difference Between Metal Laser Etching, Laser Engraving and Laser Marking?

Metal laser etching, laser engraving, and laser marking are all methods of material processing using laser technology, but there are some differences between them

Laser Etching:

Laser etching is a process that uses a low-power laser beam to remove small amounts of metal from a surface. This produces a shallow mark that does not affect the physical properties of the metal. Laser etching is a detailed, complex and precise process used to create high-quality designs on metal surfaces. However, these markings are not very visible and have limited depth. They can be used in applications such as jewelry engraving, PCB and precision instrument engraving.

Laser Engraving:

Laser engraving is a process that makes deeper cuts in metal surfaces to create highly visible and long-lasting marks. The laser beam evaporates the metal or removes it from the surface, creating grooves or cavities in the metal surface. Laser engraving creates clear and consistent marks, with depth dependent on material and laser power. This process significantly alters the metal's surface, giving it a "frosted" texture that can be used both aesthetically and for functional markings such as serial numbers or barcodes. Laser engraving is great for marking metals, plastics and other materials.

Laser Marking:

Laser marking is a process that creates visible contrasting marks on metal surfaces without removing any metal. Instead, it causes a chemical and physical change in the material that creates a visible mark that contrasts with the color of the metal. This process is commonly used to create barcodes, serial numbers and QR codes on metal surfaces. Laser marking is deeper than laser etching, but not as deep as laser engraving. Laser marking produces low-profile marks that do not affect surface finish or disrupt the physical properties of the metal.


Laser engraving has the ability to work on diverse materials, particularly when it comes to metals. Some of the metal surfaces you are able to work with include: Various grades of steel. Stainless steel.

At least 50 watts of Fiber laser power is recommended for metal laser cutting or engraving. Forty or 50 Watts of Fiber laser power can be used for direct laser marking metals.

The main difference between laser etching and laser engraving is that etching melts the micro surface to create raised marks, whereas engraving removes material to create deep marks. Both processes use high heat to create permanent markings on metal surfaces.

A laser engraving machine is a perfect fit for engraving sterling silver. The precision of the laser beam ensures that very little is wasted when engraving or cutting the material. With the cost of the metal being so high, any wastage can affect a business's bottom-line.

Fiber lasers are commonly used for metal engraving due to their high precision and versatility across various metals. CO2 lasers are less effective on metal but may be suitable for specific applications like anodized aluminum.

For almost any metals, fiber laser machines provide readable marks quickly and efficiently. They Are ideal for engraving all types of metal surfaces.


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