This all-in-one air cooled handheld fiber laser welding machine eliminates the need for an external chiller. Compact and portable, it delivers stable welding performance for stainless steel, carbon steel, aluminum and brass, ideal for on-site metal fabrication and hardware processing.
※ Product Model: ST-FWA1250H
※ Laser power: 1250W
※ Single maximum welding thickness: 0.5-4mm
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This all-in-one air cooled handheld fiber laser welding machine removes the requirement for an external water chiller. Built with integrated air cooling structure, it features a compact body and easy mobility, ready for field operation without complicated installation. It provides consistent, high-quality welds with narrow heat-affected zones and less deformation on metal workpieces.
Compatible with stainless steel, carbon steel, aluminum, brass and other common metals, this handheld fiber laser welder suits diverse fabrication scenarios including hardware manufacturing, sheet metal processing, pipeline repair and engineering installation. Simple operation allows new operators to get started quickly, greatly improving working efficiency compared with traditional welding methods.
Equipped with reliable fiber laser source, the machine supports long-time stable operation. Its lightweight handheld gun brings flexible angle adjustment, making it perfect for irregular workpieces and hard-to-reach welding positions.
Highly Integrated Drive & Control System
Adopts proprietary pure digital galvanometer drive and control technology. Multiple system functions are integrated into one control card and power supply, delivering strong compatibility and excellent anti-interference performance for stable long-term operation.
Lightweight & Safe Handheld Welding Head
Equipped with dual protective lenses and splash-proof structure to protect internal core parts and extend service life. The 0.5kg lightweight welding gun comes with a safety monitoring indicator system for safer operation.
Intelligent Multilingual Touch Control
Visual touch screen supports real-time data monitoring, multi-group preset welding parameter libraries and multilingual switching. One-click parameter calling simplifies operation and greatly improves working efficiency.
Integrated Automatic Wire Feeder
Integrated control of welding gun and wire feeder realizes synchronous operation. It supports 0.6–1.6mm welding wires, with one-touch wire feeding and retraction functions for simple, fast and precise wire control.
Maintenance-Free Air-Cooled Laser Source
Customized air-cooled fiber laser source features compact size and light weight with excellent portability. It supports full metal welding, offers a 100,000-hour long service life and requires zero daily maintenance.
High-Efficiency Integrated Air Cooling System
Adopts phase-change heat conduction and hollow-core air cooling technology. The optimized integral heat dissipation structure ensures stable machine performance and prolongs service life during continuous long-hour working.
7 Optional Working Modes
Comes with seven practical working modes, including exclusive pulse modulation mode. It realizes scarless and flat welding for thin metal sheets, effectively avoiding welding deformation and traces.
Long-Distance Fiber Cable with Integrated Storage
Equipped with 10-meter original high-quality optical fiber. Matched with an integrated cable reel, it realizes neat cable storage, makes transportation easier and keeps the whole machine more compact.

1. Integrated air cooling design, no external chiller required, saving space and reducing equipment cost.
2. Compact all-in-one structure, lightweight and easy to move, suitable for on-site mobile welding.
3. Stable fiber laser output, small heat-affected zone, less workpiece deformation and beautiful welding seam.
4. Wide material compatibility, works well on stainless steel, carbon steel, aluminum and brass.
5. Simple operation, easy for new workers to master, high welding efficiency compared with traditional welding.
6. Flexible handheld welding gun, accessible for irregular parts and hard-to-reach welding positions.
7. Low maintenance cost, fewer consumables and long service life of the laser source.
8. Built-in safety protection system to ensure safe and reliable operation.
1. How can i place an order?
Please provide the details of your requirements as clear as possible. So we can send you the offer at the first time.
For further discussion, it is better to contact us with WhatsApp / WeChat / email / phone, in case of any delays.
2. What kind of display we provide?
We have laser marking machine / laser welding machine / laser cutting machine / laser cleaning / CO2 laser cutting and engraving machine / laser accessories for you choose.
3. How about the warranty?
We have 2 years warranty and lifelong maintenance.
4. What is your terms of delivery?
We accept EXW, FOB, CFR, CIF, DDU, DDP, etc. You can choose the one which is the most convenient or cost effective for you.
5. Why is this unit called an “air-cooled all-in-one”? How does it differ from the water-cooled model?
This unit features an integrated air-cooling design that eliminates the need for an external chiller. It is a fully integrated, compact unit that is easy to transport. Compared to the water-cooled model, it saves space and reduces both equipment and maintenance costs, making it ideal for outdoor and mobile applications.
6. Is it easy for beginners to operate? Is it difficult to learn?
Operation is simple and requires no professional welding background. The equipment comes with comprehensive preset parameters, allowing you to start working immediately upon powering on. You can become proficient in a short time, significantly lowering the technical barrier for operators.
7. How is the welding quality? Will the workpiece warp or turn black?
The laser has a small heat-affected zone and high welding speed, so the workpiece is less prone to warping. The weld beads are smooth and aesthetically pleasing, with minimal blackening, resulting in less post-welding grinding work.
8. Can the equipment be used for mobile operations? Is it suitable for on-site construction?
The unit features a lightweight, integrated design that is portable and easy to move, requiring no complex installation. It is ideal for on-site welding at construction sites, outdoor repairs, and off-site processing.
9. Does the equipment have a high failure rate? How is it maintained on a daily basis?
The air-cooling system is simple and stable. The core laser light source has a long service life and requires few consumables. Maintenance is simple—just periodically clean the cooling vents and protective lenses—resulting in low operating costs.
10. What welding methods does it support? Can it weld irregularly shaped workpieces?
The handheld welding torch is flexible and lightweight, with adjustable angles, allowing it to handle irregularly shaped workpieces, hard-to-reach corners, joint seams, and edges—areas that are difficult for traditional equipment to weld—making it extremely versatile.

● Modular Design: Features an integrated structure combining fiber-output laser modules, control systems, and welding gun heads for high integration.
● Stable Gas Path Design: Optimized gas path structure ensures long-term continuous and stable operation of the laser head.
● Maintenance-Friendly Structure: Quick-release design for the gun body facilitates routine maintenance and component replacement.
● Multi-Layer Safety Protection: Built-in real-time motor position monitoring and optical path protection functions support rapid fault diagnosis.
● Multi-Function Integration: Supports five welding modes including continuous welding, spot welding, and fish scale welding, with expandable capabilities for cleaning and cutting functions.
● Efficient Cooling System: Features air-cooled heat dissipation with integrated temperature control and stall protection.

● Process Management: Supports custom process names and one-click recall of different parameter schemes.
● Real-time Monitoring: Visual interface displays welding data in real time, providing clear visibility of operational status.
● Simplified Setup: Intuitive interface with straightforward parameter configuration lowers operational barriers.
● Function Integration: Unified control of galvanometer steering, wire feeding, and gas management through a single interface.
● High Compatibility: Supports multiple laser brands and external devices, with remote communication interfaces (e.g., RS232/RS485).
● Safety Alerts: Real-time system status feedback including fault diagnostics and protective function notifications.

● Centralized Control: Integrated management with the welding torch, supporting one-touch wire feed/retraction for effortless operation.
● Broad Compatibility: Compatible with wire feeders and laser welding systems from various brands, offering strong integration capabilities.
● Motor Drive: On-board DC brushed motor drive supports pulse direction control for stepper/servo systems.
● Effortless Wire Break Handling: Supports 0.6-1.6mm wire specifications with simple and efficient wire break processing.
● Remote Integration: Enables coordinated control with external devices via communication interfaces (e.g., RS485).
● Multi-Function Integration: Supports five welding modes including continuous welding, spot welding, and fish scale welding, with expandable capabilities for cleaning and cutting functions.
● Efficient Cooling System: Features air-cooled heat dissipation with integrated temperature control and stall protection.

ST-FWA1250H is a Class lV laser system and routine precautions are required for the safe operation of the equipment.
BUILT-IN FEATURES INCLUDE:
● Key switch control of laser source and Emergency-stop button ensure deliberate operation
● Fiber laser interlock verifies integrity of laser delivery to the welding gun
● Laser weld gun trigger, enable and then fire, for intentional operation
● Part contact electrical interlock turns off the laser power if the welding head is not in contact with the welded parts
Operators must wear all recommended personal protective equipment (PPE),including laser safety glasses, laser and heat resistant gloves, hats, leather aprons, etc., and other laser and heat resistant clothing.
Single side weld thickness
Maximum melting | 1250W |
Stainless steel (mm) | 0.5-3.0 |
Mild steel (mm) | 0.5-4.0 |
Aluminum (mm) | 0.5-2.0 |
Brass/copper (mm) | 0.5-1.0 |
Galvanized sheet (mm) | 0.5-2.0 |
Iron (mm) | 0.5-3.0 |
Remark: Double weld thickness can be achieved if the material is welded from both sides in two times
Model | ST-FWA1250H (1250W) |
Power adjustment range | 10%~100% |
Fiber core | 20μm |
Fiber length | 10m |
Welding torch cable length | 10m |
Wire feed diameter | 0.8、1.0、1.2、1.6mm |
Welding torch weight | 0.5KG |
Protective gas method | Coaxial protection |
Adjustable range of weld spot width | 0~5 mm |
Weldable material thickness | 0.3-4.0mm |
Product dimensions (L*D*H) | 623*254*538mm |
Overall Dimensions (L*D*H) | 890*490*740mm |
Product weight | 41.8kg |
Operating ambient temperature | 10~45℃ |
Working environment humidity | <70% |
Operating voltage | AC 220V±10% |
Total power | <4.0kw |
It can be used for welding stainless steel, carbon steel, copper, aluminum, gold, chromium, silver, titanium, nickel and other metals or alloys. It can also be used for various welding between different materials, including copper – brass, titanium-molybdenum, titanium- gold, nickel-copper, etc.

Laser cleaning is mainly used to remove rust, paint, degreasing and oxide film of precision parts due to its high efficiency, energy saving and environmental protection.

It can be used for cutting stainless steel, carbon stee, aluminum, aluminum ally, iron and other thin metal plates, the maximum cutting thickness is about 2mm.

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