This air-cooled portable fiber laser welder is lightweight and easy to operate, specially optimized for stainless steel welding, also compatible with carbon steel, aluminum and brass. It delivers smooth, firm weld seams without heavy cooling units, ideal for on-site metal processing, maintenance and small workshop fabrication.
※ Product Model: ST-FWA1250H
※ Laser power: 1250W
※ Single maximum welding thickness: 0.5-4mm
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Our air-cooled portable fiber laser welder adopts integrated air cooling structure, eliminating bulky water chillers for lightweight and flexible handheld operation. Optimized for stainless steel, carbon steel, aluminum and brass, it produces smooth, flawless welds with low heat deformation, perfectly suited for on-site metal repair and small-batch processing.
Equipped with stable fiber laser source and user-friendly control system, this handheld laser welder requires minimal training for new operators. Compact body allows free movement in narrow working spaces, significantly boosting welding efficiency compared to traditional argon arc welding.
CE certified with complete safety protection functions, the air-cooled laser welding machine features low energy consumption and long service life. We offer full power options and global after-sales support, welcoming distributors worldwide for long-term partnership.
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. Features an integrated air-cooled design that eliminates the need for an external chiller; the unit is compact, lightweight, and portable, making it ideal for outdoor and on-site welding operations.
2. Compatible with a wide range of materials—including stainless steel, carbon steel, aluminum, brass, and galvanized sheet metal—ensuring stable welding performance and smooth, uniform weld seams.
3. Minimizes the heat-affected zone, preventing workpiece deformation or discoloration; significantly reduces the need for post-processing steps like grinding and polishing, thereby saving labor time.
4. The handheld welding gun is lightweight and flexible, allowing for easy welding in tight spaces, on irregularly shaped pipes, and in corners with no inaccessible areas.
5. Easy to learn and operate; requires no professional welding experience and allows for proficiency after brief training. It serves as a replacement for traditional argon arc welding, boosting welding efficiency by 3–5 times.
6. Equipped with multiple safety features, including a laser safety shield, emergency power-off, and overheat alarms; ensures safe, compliant operation and holds CE industrial certification.
7. Offers low energy consumption and high photoelectric conversion efficiency, significantly reducing electricity costs during long-term, high-volume production while remaining energy-efficient and eco-friendly.
8. The core fiber laser source boasts a long service life; the system has a low failure rate, requires simple daily cleaning, and entails minimal long-term maintenance costs.
9. Features a built-in intelligent control system with one-touch parameter presets, enabling quick switching between welding, rust removal, and cutting modes for versatile, multi-purpose functionality.
10. Compact footprint allows for easy transport and storage; suitable for various applications, including small workshops, hardware repair shops, and engineering installation sites.
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. Does the equipment require a water chiller?
No. This unit features an all-in-one, air-cooled design with a built-in cooling system, eliminating the need for an external chiller. This makes the machine more portable and convenient for on-site operations.
6. Can a beginner with no welding experience operate it?
Yes. The equipment features a panel with smart preset parameters and an intuitive, user-friendly interface. Users can get up to speed with just half an hour of training; no professional welder certification is required.
7. Is there significant workpiece deformation? Is post-weld grinding necessary?
The laser's heat-affected zone is minimal, so workpieces are unlikely to deform or discolor. The weld seams are smooth and bright, often eliminating the need for subsequent grinding or polishing.
8. Can the machine perform multiple functions?
Yes. The same unit can switch between welding, laser cleaning, and simple cutting functions, meeting various needs such as hardware processing, workpiece repair, and surface cleaning.
9. What are the suitable application scenarios for this equipment?
It is suitable for small sheet metal shops, hardware stores, door and window fabrication, outdoor installation projects, equipment maintenance, small steel structure fabrication, and welding of irregularly shaped tubing.
10. What is the service life of the core laser source?
The fiber laser source has a lifespan of over 100,000 hours. Under normal operating conditions, only periodic filter cleaning is required, resulting in very low maintenance costs.

● 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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