Lincoln K2535-1 Precision TIG 225 AC/DC TIG Welder
$2,311.00
The Lincoln K2535-1 Precision TIG 225 is a professional AC/DC TIG and Stick welder offering 5–230 amps of output, built-in pulse control, advanced aluminum welding capability, and industry-proven transformer reliability. It remains one of Lincoln Electric’s most respected TIG welders for users who prioritize weld quality, durability, and precise AC/DC TIG performance.
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Description
Lincoln K2535-1 Precision TIG 225 AC/DC TIG Welder
The Lincoln K2535-1 Precision TIG 225 is a professional-grade AC/DC TIG and Stick (SMAW) welder designed for fabrication shops, automotive restoration, motorsports, maintenance departments, and aluminum welding applications. It is widely recognized for its smooth arc characteristics, durable transformer-based construction, and excellent low-amperage control.
Key Features
- True AC/DC TIG welding for aluminum, stainless steel, and mild steel
- Micro-Start™ II Technology for stable arc starts and crater filling
- AC Auto-Balance® automatically optimizes cleaning and penetration on aluminum
- Built-in TIG pulser to help control heat input and reduce distortion
- Excellent Stick welding performance, including E6010 electrodes
- 115V auxiliary outlets for water coolers and shop accessories
- includes torch, foot pedal, regulator, and welding accessories (package dependent)
Best Applications
- Aluminum fabrication
- Automotive restoration
- Motorsports fabrication
- Marine repair and fabrication
- Stainless steel processing
- General fabrication shops
- Welding schools and training facilities
Advantages
- Extremely smooth TIG arc performance
- Wide 5–230A operating range
- Proven transformer-machine durability
- Excellent aluminum TIG capability
- Built-in pulse functionality
- Reliable long-term shop machine
Professional users frequently praise the Precision TIG 225 for its arc quality and reliability. In welding community discussions, owners often describe it as a machine that “does everything needed perfectly” for steel, stainless, and aluminum fabrication.
Considerations
- Heavy compared with modern inverter TIG welders
- Requires 208/230V power
- Less portable than newer inverter-based AC/DC TIG machines
- Larger footprint in the workshop
| Specification | Details |
|---|---|
| Model | Lincoln Precision TIG 225 |
| Part Number | K2535-1 |
| Welding Processes | AC TIG, DC TIG, Stick (SMAW) |
| Input Power | 208/230V, Single-Phase, 60Hz |
| Output Range | 5–230A AC/DC |
| Maximum Output | 230A |
| Duty Cycle | 130A @ 40%, 110A @ 60% |
| Open Circuit Voltage | 75V |
| Aluminum Welding | Yes (AC TIG) |
| Pulse Function | Built-in TIG Pulser |
| Auxiliary Power | Dual 115V receptacles |
| Weight | Approximately 212–215 |
| lbs | (96–98 kg) |
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