Plasma Cutting

Custom Plasma Cutting Services

Plasma-cutting services at JIAHUI exemplify efficiency and cost-effectiveness. Whether you require low-volume production, mass production, or rapid prototyping, we are a single click away. Our cutting-edge machines can deliver precise cuts on a wide range of materials, meeting your exact specifications.

At JIAHUI, we understand the importance of both quality and speed. Our advanced plasma-cutting technology ensures clean, intricate cuts while minimizing material wastage. Our services provide a perfect blend of accuracy and customization, whether for industrial components or artistic creations.

  • Precision Craftsmanship
  • Diverse Metal Expertise
  • Streamlined Quoting
Plasma Cutting -

What’s Plasma Cutting Process?

The plasma cutting process is a sophisticated technique used in metal fabrication to cut through various types of metals precisely. It employs a high-velocity jet of ionized gas, usually compressed air, to generate extremely high temperatures. This superheated gas, known as plasma, serves as a cutting tool. When the plasma jet comes into contact with the metal, it melts the material and expels it away from the cut due to its high speed.

This results in a clean and accurate cut. The cutting movement is controlled by computer systems, ensuring precise patterns and shapes. One of the advantages of plasma cutting is its versatility in cutting different metal thicknesses. It finds applications in industries like manufacturing, automotive, and construction.

It offers relatively high cutting speeds and the ability to create intricate designs. However, it’s important to note that plasma cutting might not be suitable for materials with high electrical conductivity, and the cut quality can be affected by thicker materials.

Our Qualification For Plasma Cutting Service

Our qualifications for plasma cutting distinguish us as leaders in the field of metal fabrication. With years of expertise, our skilled artisans utilize state-of-the-art machinery to ensure unparalleled precision and quality. Our cutting-edge technology, including CNC systems, guarantees intricate designs and accurate shapes.

At JIAHUI, we stand out in our commitment to diverse materials, effortlessly cutting through steel, stainless steel, aluminum, and more. Our proficiency extends to handling varying thicknesses with efficiency. Our dedicated team’s meticulous attention ensures clean cuts with minimal distortion.

The applications of our plasma-cutting services are vast, spanning manufacturing, construction, and artistic ventures. Our streamlined processes ensure timely delivery, while our dedication to safety remains unwavering. We are the go-to choice for industries seeking excellence in plasma cutting. Trust our qualifications to bring your visions to life with precision and finesse.

Manufacturing Process

Our plasma-cutting process is a pinnacle of precision. Guided by computer control, the plasma torch generates ionized gas, melting metals for intricate shapes. This vital technique caters to construction, automotive, and artistic needs, enabling accurate cuts and designs in various metals.

Plasma Cutting Manufacturing Process -
Material Cutting Slit Material Thickness Surface Finish Tolerance
Stainless Steel 1~2mm 0.5~50mm ≤Ra12.5µm <1mm
Steel 1~2mm 0.5~50mm ≤Ra12.5µm <1mm
Aluminum 1~2mm 0.5~50mm ≤Ra12.5µm <1mm
Copper 1~2mm 0.5~50mm ≤Ra12.5µm <1mm
Titanium 1~2mm 0.5~50mm ≤Ra12.5µm <1mm

Our Plasma Cutting Production Capabilities

Devoted to exceeding both customer expectations and industry benchmarks, JIAHUI stands at the forefront. Our state-of-the-art plasma cutters epitomize precision, ensuring flawless cuts irrespective of material and design intricacy.

Materials for Plasma Cutting Parts

JIAHUI’s plasma cutting service proves ideal for numerous materials. The emitted hot gas adeptly cuts through conductive materials, regardless of thickness. Here are some materials ideally suited for your next project.

  • Stainless Steel
  • Cast Iron
  • Alloy Steel
  • Carbon Steel
  • Aluminum
  • Copper
  • Titanium

Stainless Steel

Stainless Steel

Stainless steel is metal-enriched with chromium elements (11%) and a small amount of carbon. Chromium offers corrosion resistance to stainless steel. Due to this, the die-cast parts are less likely to be affected by rust or corrosion. It can be easily molded into several forms. Thus, manufacturers prefer it for the die-casting process.


  • Extremely durable
  • High tensile strength
  • Corrosion resistant
  • Easy fabrication and formability
  • Low maintenance cost

Cast Iron

Cast Iron

Cast iron is a strong yet brittle alloy of iron, carbon, and silicon. It is formed by melting iron and adding carbon to create a high carbon content. Known for its excellent heat retention, durability, and resistance to wear, cast iron is used in cookware, pipes, and engine blocks.


  • High strength and durability
  • Excellent heat retention
  • Good wear resistance
  • Versatile and can be cast into complex shapes
  • Relatively low cost compared to other materials

Alloy Steel

Alloy Steel

Alloy steel is a type of steel that incorporates additional elements, such as chromium, nickel, or molybdenum, to enhance its mechanical properties. These alloys impart improved strength, hardness, and resistance to wear, corrosion, and heat, making alloy steel suitable for various applications in industries like automotive, construction, and aerospace.


  • High strength
  • Improved hardness
  • Enhanced corrosion resistance
  • Heat resistance
  • Versatility for various applications


Carbon Steel

Carbon Steel

Carbon steel is famous for its low cost and versatile nature. Typically, carbon steel is divided into three categories, i.e., low-carbon, medium-carbon, and high-carbon steel. The properties of these types differ according to the carbon content present in the material. Low-carbon steel is known for its good machinability and weldability, whereas high-carbon steel is used in high-strength applications.


  • Very hard
  • Ductile and malleable
  • Relatively low tensile strength
  • Good machinability
  • Low cost



The distinctive characteristics of aluminum make it one of the best materials for die-casting. The major aluminum alloys are A360, A380, A390, A413, ADC12, and ADC1. Among all, the A380 is the most worthwhile aluminum alloy.


  • Excellent corrosion resistance
  • Lightweight
  • High strength and hardness
  • Outstanding thermal conductivity
  • High electrical conductivity
  • Remarkable EMI and RFI shielding properties



Copper is a reddish-orange metal with a face-centered cubic structure that is highly valued for its aesthetics. It exhibits remarkable properties, yet, it can be alloyed with different elements, such as aluminum, tin, zinc, nickel, etc., to improve its characteristics further. The following are some fundamental properties of copper that make it ideal for producing die-casting parts.


  • Very soft
  • An excellent conductor of heat and electricity
  • Good corrosion resistance
  • High ductility
  • Fine malleability


Titanium -


Titanium is a silver-grey transition metal often used for manufacturing high-strength parts. It is relatively soft when present in its pure form. However, adding certain elements like iron, aluminum, and vanadium makes titanium harder. The properties of titanium make it a perfect choice for manufacturers to use for die-casting parts.


  • Extremely high tensile strength
  • Lightweight
  • High corrosion resistance
  • Able to withstand extreme temperatures
  • High melting point
  • Excellent oxidation capabilities


Surface Treatment For Plasma Cutting Parts

Plasma-cut parts commonly showcase superior finishes. Our facility provides an array of tailored finishing choices that elevate parts’ functionality, aesthetics, and resilience. This commitment to precision ensures the optimal outcome for every part produced.


Micro-arc Oxidation (MAO)

Micro-arc Oxidation_Plasma Cutting -

Micro-arc Oxidation (MAO) is a surface treatment method that uses high-voltage electrical discharges to create a ceramic-like coating on metal surfaces. This process involves the formation of a dense and hard oxide layer, which enhances the material's corrosion resistance, wear resistance, and thermal stability.

Aluminum, Magnesium, Titanium

Clear, Black, Grey, Red, Blue, Gold, White, Silver, purple

Smooth, Matte finish


Anodizing_Plasma Cutting -

Anodizing improves corrosion resistance, enhancing wear and hardness and protecting the metal surface. This surface finish is widely used in mechanical parts, aircraft, automobile parts, and precision instruments.

Aluminum, Magnesium, Titanium

Clear, Black, Grey, Red, Blue, Gold, White, Silver, purple

Smooth, Matte finish

Bead Blasting

Bead Blasting_Plasma Cutting -

Bead blasting in surface treatment is a process where fine abrasive particles, such as glass beads or ceramic media, are propelled at high speed onto a surface using compressed air. This abrasive action helps to remove rust, paint, or other contaminants, leaving behind a clean and textured surface finish.

Aluminum, Magnesium, Titanium, Copper, Stainless Steel, Steel


Smooth, Matte finish

Powder Coating

Powder Coating_Plasma Cutting_Industrial -

Powder coating in surface treatment is a dry finishing process where a fine powder is electrostatically applied to a surface. The coated object is then cured under heat, melting the powder particles and forming a durable, smooth, uniform coating.

Aluminum, Magnesium, Titanium, Zinc, Copper, Stainless Steel, Steel

Black, Grey, White, Yellow, Red, Blue, Green, Gold, Vertical stripe

Smooth, Matte finish


Electroplating_Plasma Cutting -

Electroplating in surface treatment is when a metal coating is applied to a conductive surface through an electrochemical reaction. It involves immersing the object to be plated in a solution containing metal ions and using an electric current to deposit a metal layer onto the surface.

Aluminum, Magnesium, Titanium, Copper, Stainless Steel, Steel

Clear, White, Black, Grey, Red, Yellow, Blue, Green, Gold, Silver, Bronze

Smooth, Semi-matte, Matte finish


Polishing_Plasma Cutting -

Polishing is the process of creating a shiny and smooth surface, either through physical rubbing of the part or by chemical interference. This process produces a surface with significant specular reflection but can reduce diffuse reflection in some materials.

Aluminum, Magnesium, Titanium, Copper, Stainless Steel, Steel


Smooth, Mirror finish


Brushing_Plasma Cutting -

Brushing in surface treatment refers to manually or mechanically applying abrasive brushes to a surface, usually metal, to remove imperfections, create a uniform texture, or enhance its appearance.

Stainless Steel, Fe-based Alloy Steel, Copper Alloy, Nickel-base Alloy, Titanium, Hard Alloy


Smooth, Matte finish


Electrophoresis_Plasma Cutting -

Electrophoresis is a process in which charged resin particles (ions) in a solution are moved by an electric field and deposited on a metal surface to form a protective coating.

Aluminum, Magnesium, Titanium, Copper, Stainless Steel, Steel

Black, Grey, White, Yellow, Red, Blue, Green, Gold, Silver, Purple

Smooth, Matte finish

Laser Carving

Laser Carving_Plasma Cutting -

Laser carving is a surface treatment method that utilizes laser technology to remove material from a surface, creating intricate designs, patterns, or text. It provides precise and customizable engraving on various materials, enhancing aesthetics and adding a personal touch to the surface.

Stainless Steel, Fe-based Alloy Steel, Copper Alloy, Nickel-base Alloy, Titanium, Hard Alloy

Clear, Black, Grey, White, Yellow, Red, Blue, Green, Gold, Silver, Purple

Smooth, Matte finish


Painting_Plasma Cutting -

Painting is especially suitable for the surface of the primary material of metal. It will strengthen the material's moistureproof& rust prevention functions and enhance its compression resistance and internal structural stability.

Aluminum, Magnesium, Titanium, Copper, Stainless Steel, Steel

Black, Grey, White, Yellow, Red, Blue, Green, Gold, Silver, Purple

Smooth, Matte finish

Excellent Plasma Cutting Services

With our precise plasma cutting system and advanced tech, we create top-notch custom parts just for you.

Typical Plasma Cutting Products

Plasma Cutting -

FAQs Related To Plasma Cutting

A: Several factors play a decisive role in the processing quality of cutting parts. These include:

  1. Machine and Tool Selection: The choice of cutting machine and tools is crucial in achieving high processing quality. Factors such as the machine's stability, cutting precision, and tooling rigidity can significantly impact the final result. It is essential to select machines and tools appropriate for the cutting parts' specific material, thickness, and complexity.
  2. Material Selection: The type and quality of the material being cut can significantly influence the processing quality. Different materials have varying properties, such as hardness, toughness, and heat conductivity, which can affect the cutting process. Choosing the right material with suitable characteristics for the desired application is essential for achieving high-quality cutting parts.
  3. Cutting Parameters: Cutting parameters, including cutting speed, feed and depth of cut, play a crucial role in machining quality. Optimal cutting parameters need to be determined based on the material being cut, the type of cutting operation, and the desired outcome. Incorrect or improper cutting parameters can result in poor surface finish, dimensional inaccuracies or even damage to the cutting tools.
  4. Tool Sharpness and Condition: The cutting tools' condition and sharpness significantly impact the quality of the cutting parts. Dull or worn-out tools can lead to increased cutting forces, poor surface finish, and dimensional errors. Regular tool inspection, maintenance, and replacement are necessary to ensure optimal cutting performance and quality.
  5. Fixturing and Workholding: Proper fixturing and workholding are essential for maintaining stability and accuracy during cutting. Securely holding the workpiece in place and minimizing vibrations or movement can help prevent material shifting, distortion, or misalignment, improving processing quality.
  6. Operator Skill and Knowledge: The skill and knowledge of the operator operating the cutting machine also plays an important role in the quality of the processing. A trained and experienced operator can make informed decisions, adjust cutting parameters, and detect and address any issues that may arise during the cutting process. Operator training and continuous skill development are essential for ensuring consistent and high-quality cutting results.

By considering these factors and implementing appropriate measures, such as selecting the right machine and tools, choosing suitable materials, optimizing cutting parameters, maintaining sharp tools, ensuring proper fixturing, and providing operator training, the processing quality of cutting parts can be significantly improved.

A: Plasma cutting typically involves using a plasma arc formed between the electrode and the workpiece. The electrode materials used in plasma cutting can vary base on the specific application and needs. Here are three commonly used electrode materials:

1. Copper: Copper electrodes are widely used in plasma cutting due to their excellent thermal conductivity and high melting point. Copper electrodes can withstand high temperatures and provide good arc stability, making them suitable for various cutting applications.

2. Tungsten: Tungsten electrodes are often used in plasma cutting, specifically tungsten alloys such as thoriated tungsten or lanthanated tungsten. Tungsten has a high melting point and excellent heat resistance, making it suitable for high-temperature plasma arcs. Tungsten electrodes are known for their durability and ability to maintain a stable arc over long cutting periods.

3. Hafnium: Hafnium electrodes are commonly used in plasma cutting applications that require high-speed cutting, such as in the aerospace industry. Hafnium has a higher melting point than tungsten, allowing it to withstand the intense heat generated during high-speed cutting. Hafnium electrodes offer improved cutting performance and can withstand higher currents, resulting in faster and more efficient cutting.

It's worth noting that different electrode materials may have specific advantages or limitations depending on the cutting requirements. The electrode material selection should be based on factors such as the material being cut, cutting speed, desired cut quality, and the specific plasma cutting system being used.

A: In plasma cutting, the working gas creates and maintains the plasma arc that does the actual cutting. The choice of working gas depends on various factors, such as the material being cut, the desired cut quality, and the specific plasma cutting system being used. Here are three commonly used working gases in plasma cutting:

1. Air: Compressed air is a commonly used working gas in plasma cutting. It is readily available, cost-effective, and does not require additional gas supply systems. Air plasma cutting suits various materials, including mild steel, stainless steel, and aluminum. However, when cutting reactive metals like titanium or zirconium, air can cause undesirable chemical reactions and should be avoided.

2. Nitrogen: Nitrogen gas is often used for cutting stainless steel and aluminum. It provides a clean and high-quality cut with minimal oxidation or discoloration. Nitrogen can also be used to cut mild steel, but it may result in a slower cutting speed than air. Nitrogen gas is typically supplied in cylinders or generated on-site using nitrogen generators.

3. Oxygen: Oxygen gas is commonly used for cutting mild steel. When oxygen reacts with the hot metal, it creates an exothermic reaction that accelerates the cutting process. Oxygen plasma cutting allows for faster cutting speeds and is suitable for thicker materials. However, oxygen can increase oxidation and dross formation on the cut edges.

Apart from these gases, some specialized plasma cutting systems may utilize other gases or gas mixtures for specific applications. For instance, argon-hydrogen mixtures can be used for plasma cutting non-ferrous metals like copper or brass.

Following the manufacturer's recommendations and guidelines for the appropriate working gas is essential to achieve optimal cutting performance and desired cut quality.

A: The "double arc" phenomenon, also known as double arcing, refers to a situation in plasma cutting where two separate arcs are present simultaneously during the cutting process. This phenomenon occurs when the plasma arc, which is intended to cut through the workpiece, is accompanied by a secondary arc that forms between the electrode and the nozzle.

The double arc phenomenon can have several causes, including:

1. Improper alignment: If the electrode and nozzle are not aligned correctly or if there is improper spacing between them, it can result in the formation of a secondary arc. This misalignment can cause the plasma arc to divert and create a separate arc path.

2. Contamination: Contamination of the electrode or nozzle with foreign materials, such as metal chips or cutting residues, can disrupt the plasma arc and lead to the formation of a secondary arc. These contaminants can interfere with the flow of the working gas and cause the arc to split.

3. Electrical interference: Electrical interference or arcing from other nearby sources, such as nearby welding operations or electrical cables, can interfere with the plasma arc and cause the formation of a double arc.

The presence of a double arc can negatively impact the cutting process, leading to reduced cutting performance, uneven cuts, increased dross formation, and decreased overall cut quality. It can also increase the wear and tear on the consumables, reducing their lifespan.

To prevent or minimize the occurrence of the double arc phenomenon, it is crucial to ensure proper alignment of the electrode and nozzle, regularly clean and maintain the plasma cutting system, and avoid electrical interference from other equipment or sources. Additionally, using high-quality consumables and following the manufacturer's guidelines for setup and operation can help mitigate the chances of encountering the double arc phenomenon.

A: The speed and intensity of the ion gas flame flow in plasma cutting depend on several parameters, including:

1. Working gas flow rate: The flow rate of the working gas, such as compressed air, nitrogen, or oxygen, affects the speed and intensity of the ion gas flame flow. Increasing the gas flow rate can result in a faster and more intense plasma arc, while decreasing the flow rate may reduce the cutting speed and intensity.

2. Plasma arc current: The plasma arc current, which is the amount of electric current passing through the plasma arc, directly impacts the speed and intensity of the ion gas flame flow. Higher current levels generally lead to a faster and more powerful plasma arc, while lower currents may result in slower and less intense cutting.

3. Arc voltage: The arc voltage, which is the electrical potential difference across the plasma arc, also affects the speed and intensity of the ion gas flame flow. Higher arc voltages can contribute to a faster and more forceful plasma arc, while lower voltages may result in a slower and less vigorous cutting process.

4. Torch height: The height at which the plasma torch is positioned above the workpiece, known as the torch height or standoff distance, can influence the speed and intensity of the ion gas flame flow. Maintaining the appropriate torch height is crucial for achieving optimal cutting performance. If the torch is too close to the workpiece, it can lead to excessive heat and slower cutting speeds. Conversely, if the torch is too far, it may reduce arc intensity and poor cut quality.

5. Material thickness: The thickness of the material being cut plays a role in determining the speed and intensity of the ion gas flame flow. Thicker materials typically require higher plasma arc currents and gas flow rates to achieve sufficient cutting power and speed. Thinner materials, on the other hand, may require lower currents and gas flow rates for effective cutting.

These parameters are interrelated, and finding the right balance between them is essential for achieving optimal cutting results.

A: Several commonly used plasma cutting methods are suited for different applications and material types. The most common plasma-cutting methods include:

1. Conventional Plasma Cutting: This method uses a high-velocity plasma jet to melt and remove the cut material. It works on a variety of materials including mild steel, stainless steel, aluminum and other conductive metals. Conventional plasma cutting is versatile and widely used in various industries.

2. Precision Plasma Cutting: Precision plasma cutting, or high-definition plasma cutting, uses advanced technology to achieve higher precision and cut quality. It employs a narrower, more focused plasma arc, resulting in smoother edges and reduced dross formation. Precision plasma cutting is often used for applications that require high accuracy and clean cuts, such as metal fabrication and automotive industries.

3. Water-injection Plasma Cutting: Water-injection plasma cutting is a method that uses a water mist injected into the plasma arc to enhance the cutting process. The water mist cools the plasma arc, reduces the heat-affected zone, and minimizes dross formation. This method is particularly beneficial for cutting materials prone to warping or with heat-sensitive coatings.

4. Dual Gas Plasma Cutting: Dual gas plasma cutting involves using two different gases in the cutting process. Typically, oxygen is used as the primary gas for the cutting process, while nitrogen or argon is used as the secondary gas for shielding. This method allows for faster cutting speeds and improved cut quality, especially for thicker materials.

5. Fine Plasma Cutting: Fine plasma cutting is specifically designed to cut thin materials with high precision and minimal heat distortion. It utilizes a lower plasma arc current and gas flow rate, resulting in finer and more accurate cuts. Fine plasma cutting is commonly used in electronics, signage, and delicate metalwork applications.

The choice of plasma cutting method depends on factors such as the material type, thickness, desired cut quality, and specific application requirements. It is essential to consider these factors and consult the manufacturer's recommendations to select the most suitable method for a given cutting task.

A: Following proper procedures and safety guidelines is essential to operate a plasma-cutting machine correctly. Here are some steps to consider when operating a plasma-cutting machine:

1. Read the manual: Familiarize yourself with the specific model and manufacturer's instructions by reading the operating manual. Understand the machine's features, controls, and safety precautions.

2. Wear appropriate safety gear: Before operating the machine, wear the necessary personal protective equipment (PPE), including safety glasses, gloves, and flame-resistant clothing. Also, make sure your work area is well-ventilated.

3. Set up the machine: Properly set up the plasma cutting machine by connecting the power supply, air compressor, and ground clamp. Verify that all connections are secure and in good condition.

4. Material preparation: Clean the workpiece to be cut, removing any dirt, grease, or coatings that may affect the cutting process. Ensure the material is securely positioned and clamped to prevent movement during cutting.

5. Adjust settings: Set the appropriate cutting parameters on the machine, such as the gas flow rate, amperage, and torch height. Refer to the material specifications and manufacturer's recommendations for the correct settings.

6. Torch ignition: Follow the manufacturer's instructions to ignite the plasma torch. Ensure the torch is appropriately aligned and positioned correctly from the workpiece (torch height or standoff distance).

7. Cutting technique: Move the torch along the desired path steadily and consistently. Avoid stopping or slowing down in one spot, as it may result in excessive heat buildup, warping, or dross formation. Maintain a smooth and continuous motion.

8. Post-cutting procedures: Once the cut is complete, carefully turn off the plasma torch and allow it to cool down before handling. Remove any slag or dross from the cut area using appropriate tools.

9. Safety precautions: Follow all safety guidelines and protection the manufacturer provides. This includes avoiding contact with the plasma arc, keeping a safe distance from the cutting area, and not operating the machine near flammable materials.

Remember, regular training and practice are essential to become proficient in operating a plasma cutting machine. Always prioritize safety and consult the manufacturer's instructions for specific guidance on your machine model.

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