This air-cooled handheld fiber laser welder adopts an integrated air cooling structure, lightweight and portable without external water tank. It delivers stable welding performance for carbon steel, stainless steel and aluminum, featuring simple operation, low energy consumption and smooth weld seams, 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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Our air-cooled integrated handheld laser welding machine features an all-in-one air cooling structure, eliminating bulky water tanks for lightweight mobility. Equipped with reliable fiber laser source, it achieves steady output power and fast welding speed, perfectly compatible with carbon steel, stainless steel, aluminum, galvanized sheet and other common metal materials. The handheld welding gun is ergonomically designed for long-hour operation with less fatigue.
Simple operation lowers skill barriers; beginners can master welding techniques quickly without complicated training. Weld joints come out smooth with minimal deformation, greatly reducing post-grinding and polishing workload. Compared with traditional arc welding, this laser welder consumes less power and generates little smoke, meeting eco-friendly and cost-saving production demands.
Widely applied in hardware processing, sheet metal fabrication, engineering installation, door & frame manufacturing and field repair work. Compact body supports easy transport between workshops or construction sites, serving as a versatile welding solution for small factories, processing stores and engineering teams.
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-cooled design, no water tank needed, compact size and easy to move for on-site work
2. Lightweight welding torch with ergonomic grip, comfortable for long-time continuous operation
3. Stable fiber laser output, fast welding speed and high working efficiency
4. Applicable to carbon steel, stainless steel, aluminum, galvanized metal and other metal materials
5. Smooth welding seam, small thermal deformation, less post-processing polishing work
6. Simple operation, easy to learn for novice workers without professional welding experience
7. Low energy consumption, low smoke emission, energy-saving and environmentally friendly
8. Complete safety protection system to prevent laser leakage and overheating faults
9. Wide application range for sheet metal, hardware, doors, frames and engineering maintenance
10. Stable overall structure, long service life and low later maintenance cost
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. Is a water chiller required for operation?
No. It adopts integrated air cooling system, no external water tank or chiller, greatly reducing space occupation and moving trouble.
6. Can inexperienced workers operate the machine?
Yes. The control panel has preset welding parameters. New operators can start working quickly with simple training.
7. How about the welding seam quality?
Weld seams are smooth and flat with tiny heat-affected zone, little workpiece deformation, saving grinding and polishing procedures.
8. What scenarios is this machine suitable for?
Sheet metal processing, hardware manufacturing, door & window frames, pipeline installation, field engineering repair, stainless steel decoration etc.
9. Does the machine have safety protection functions?
Equipped with laser anti-leakage protection, overheat alarm, emergency stop switch and protective lens to ensure operator safety.
10. Is maintenance complicated?
Low maintenance cost. Only regular cleaning of air filter and protective lens is needed; laser source has long service life.
11. How heavy is the whole unit?
Total weight of the unit is approximately 41 kg, convenient to carry to different working sites without lifting equipment.

● 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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