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| Customization: | Available |
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| Application: | Plasma Spray Coating |
| Material: | Copper Inlaid with Tungsten Electrode |
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| Product Name | Plasma Spray gun SG100 nozzle |
| Material | WLa20-Cu, WLa10-Cu,99.95% |
| Size | 2083-730,145,165,175,155 and 3083-145,165,175 for anode;SG100-129,720,120 for cathode |
| Produce Method | Bonding |
| Application/Industrial | Electrode/nozzle for sg100 spray gun, Praxiar SG100 Spray gun; Areospace, Medical Industry, etc. |
| Type | SG100 copper anode and tungsten-copper anode as well as cathode |
The SG100 nozzle serves as the anode within the SG100 plasma spray gun assembly, working in conjunction with the cathode (electrode) to generate and sustain an extremely high-temperature plasma arc (exceeding 12,000°C). This intense plasma arc melts injected feedstock materials (metallic, ceramic, or cermet powders) and accelerates them onto substrates to form dense, protective coatings for applications requiring wear resistance, corrosion protection (e.g., anti-corrosion, rust removal), thermal barriers, or electrical insulation. Its design is fundamental to shaping the plasma jet and achieving consistent coating quality.
Key performance characteristics of the SG100 nozzle include:
The SG100 nozzle is critically important for several reasons:
SG-100 plasma spray gun
The SG100 plasma spray gun produced by Praxair is a very flexible spray gun that can be used in a variety of application scenarios. Its operating power is 80KW. If you have higher requirements for coatings, or require large-volume production, or small-volume testing, the SG100 spray gun can be used very well.
This spray gun has two modes: internal powder feeding and external powder feeding. Different modes can provide multiple incident angles, obtain better spraying speed, or mix multiple spraying materials.
Different modes, matched with different hardware, can form different working modes. We can provide suitable nozzles (anode) and electrodes (cathode) for different modes.
What material is used for the anode?
As you can see, all copper materials are used on the market, but there are many types of copper materials, and the purity and composition of different copper materials are different. For specific industries that require special treatment of copper materials, we have been supplying copper anodes to different industries and are very clear about customers' material requirements in different industries.
Anode matching:
The product accessories provided by Praxair have high precision, and general processing manufacturers can provide similar shapes. However, there is a very big gap in the actual control of product size.
We have been providing anode and cathode accessories for various plasma spraying service providers, and we can control the size very accurately.
SG-100 plasma thermal spray anode and cathode models
| Product model | Product name | Related product model |
| WLE-SG100-129 | SG100 electrode | 843083129 |
| WLE-SG100-720 | SG100 electrode | 841083720 |
| WLN-SG100-730 | SG100 nozzle | 02083-730 |
| WLN-SG100-145 | SG100 nozzle | 03083-145 |
| WLN-SG100-165 | SG100 nozzle | 03083-165 |
| WLN-SG100-175 | SG100 nozzle | 03083-175 |
If you have any needs, users are welcome to come for consultation. Our company has a group of experienced technical and sales teams who will serve you wholeheartedly.
Advantages of plasma spray nozzles and electrodes produced by our company:
1. Our company has been engaged in the production of pure tungsten and tungsten alloy materials for many years, and has an in-depth understanding of the structure and properties of materials. For the tungsten electrode used in plasma spraying electrodes, based on our full understanding of the application, we have made more improvements and treatments to the material structure to meet the material requirements of plasma spraying. By densifying the tungsten electrode, a finer, more uniform grain structure is formed. The modified tungsten alloy has relatively high hardness and density, fast arc starting, excellent resistance to arc burning loss, and long life.
2. Our company's plasma spraying electrodes and nozzles use unique back-casting technology to achieve seamless bonding between tungsten and copper. The bonding strength can be as high as 127MPa, while the traditional bonding strength is less than 100MPa. Compared with traditional brazing, joints made by back-casting have higher bonding strength between tungsten and copper, larger contact area, more uniform resistance, and stronger heat dissipation ability, making the nozzle and electrode more stable and more durable as well as long service life.
3. We produce tungsten electrodes of different materials (good arc starting performance and ablation resistance). Based on customer usage conditions, we can provide more suitable materials for customers to choose.
| Material | Impurity content (%) | Electron work function (eV) |
| Lanthanum tungsten | <0.2 | 2.8-3.2 |
| Cerium tungsten | <0.2 | 2.7-2.8 |
| Thorium tungsten | <0.2 | 2.0-3.9 |
4. Based on the research and analysis of plasma spray guns, the electrodes and nozzles produced by our company can perfectly adapt to the original spray guns, and no additional adjustment of spraying parameters is required during replacement. We have a complete product series, and the plasma spray electrodes and nozzles we produce can be widely used in F4, 9M, SG-100 and other spray guns of Metco, GTV, FST, AMT AG, Praxair and other companies.
5. We have rich experience in producing various cathodes and anodes, which can be customized and processed according to customer samples or drawings. We can also provide semi-finished products with seamless combination of tungsten and copper.
We can ensure our all products which are seamless bonding,no gas foam generating,and assure concentricity,if any defect has been found which are due to our cause,we can replace them for free and send you along with shipment for next time.
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