Lincoln Electric Square Wave 205 TIG Welder K5613-1
- AC/DC TIG and stick
- AC frequency and AC balance control
- 120V or 230V input, adapter included
- 36lbs (16 kg)
- Caliber 17 torch, K870 foot Amptrol, regulator, 10 ft gas hose
- Stick holder 200A, ground clamp and cable
Updated 20 days ago · Based on the Amazon listing and published specifications, not hands-on testing.
A portable AC/DC TIG and stick welder from Lincoln with aluminum controls and a full kit including torch, foot pedal and regulator. Duty cycle and maximum output are not stated in the listing.
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ASIN: B0F3JXZ4KRModel: Square Wave 205Category: TIG Welding Equipment
Overview
Garage fabrication benches and job sites both suit this Lincoln Square Wave, which welds aluminum with adjustable AC frequency and balance and switches to stick for outdoor work. It plugs into a standard household circuit or a higher-voltage outlet for full output.
A complete kit stands out: torch, foot pedal, regulator, hose, stick holder and ground clamp all come in the box. AC controls tune aluminum cleaning and bead width. Maximum amperage and duty cycle are not listed.
Who it's for
Home shops and mobile fabricators get a ready-to-weld aluminum-capable package. Production steel work is faster with a MIG machine.
Pros and cons
- Complete kit with pedal and regulator
- AC balance for dirty aluminum
- Runs on household or shop power
- Light enough to carry
- Max amperage not listed
- Duty cycle not listed
- Gas cylinder not included
Performance notes
Aluminum quality depends on AC balance, which trades oxide cleaning against penetration, and AC frequency, which narrows or widens the bead. Higher input voltage unlocks full output, while household power limits it. The foot pedal lets current change mid-weld.
Specifications
| Brand | Lincoln Electric |
|---|---|
| Model | Square Wave 205 |
| Dimensions & fit | |
| Item weight | 36lbs (16 kg) |
| Power & efficiency | |
| Voltage | 120V or 230V |
| Construction & materials | |
| Color | Multicolor |
| Compatibility & installation | |
| Compatible processes | AC/DC TIG, stick |
| Included components | |
| Included Components | Square Wave 205 welder, K5339-17F-1 Caliber 17 TIG Torch Ready-Pak, K870 Foot Amptrol, gas regulator/flowmeter and 10 ft (3 m) gas hose kit, stick electrode holder 200A, ground clamp and cable, 120 and 230V adapter |
| Other details | |
| AC controls | AC frequency control, AC balance |
| Item model number | K5613-1 |
Frequently asked questions
Can the Lincoln Square Wave 205 run on a household outlet?
Yes. It plugs into a standard 120V circuit, or 230V for maximum output. A 120 and 230V adapter is included.
Does the Lincoln Square Wave 205 include a foot pedal?
Yes, a K870 Foot Amptrol is included.
Can the Lincoln Square Wave 205 weld aluminum?
Yes. It offers AC frequency control and AC balance for aluminum.