Lincoln Electric/Portable Square Wave TIG 200 Welder Review

Lincoln Electric Square Wave TIG 200 Welder Review

Could Lincoln Electric Square Wave TIG 200 be the right TIG welder for you? Make sure to read full review to find out!

TIG welding is perhaps one of the most complicated and challenging kinds of welding. This is because it requires a lot of skill and ability. Also, the finished weld has to be structurally sound and clean, not to mention, in a lot of cases welds should meet stringent standards and code requirements.

​TIG welder is applicable on a variety of metals compared to any other process, it makes the welder an incredibly useful and efficient tool to have around. Welds are high quality and clean with no spatter or sparks and no fumes or smoke.

Lincoln Electric Square Wave TIG 200 Portable Tig Welder Reviews

Also, TIG welders allow for more accuracy and control, making them practical to use in different positions and situations. In case you are searching for the best TIG welder for your needs, it could be tough to weed through the competition. 

Lincoln Electric Square Wave TIG 200 TIG Welder |Portable Tig Welder - About the Product Specifications

As there are so many TIG welders on the market, it can be difficult to separate the wheat from the chaff. If you are looking for a high-performance welder, you will not go wrong with the ​Lincoln Electric Square Wave TIG 200 TIG Welder. One of the best things about this TIG welder is that it is undoubtedly one of the most portable ones you will find.   

  • Stick and AC/DC TIG capable
  • Excellent for aluminum
  • It is inverter based
  • It features a pulse mode
  • Includes foot pedal control
  • It has a simple control interface
  • It has a pulse mode
  • Both 230 V and 120 V ready
  • It has a first-rate air cooled torch

​Lincoln Electric Square Wave TIG 200 TIG Welder K5126-1 is great as it offers TIG as well as stick welding for hobbyists, small-scale fabricators, and artisans. The welder is ideal for working women and men of various persuasions from farmers to pipefitters.

The welding machine is terrific for quick car fixes or any welding needed around the house. Also, with options for tighter or broader beading, artisans could pursue their artistic endeavors because of the machine’s unique ability to perform exquisitely on more detailed projects.

If you are a beginner, this is an incredible machine for you as it has a convenient and quick setup with a straightforward interface. The welder weighs just 46 lbs and is sturdy and comfortable enough to tote around from one job to another.

You can plug ​Square Wave TIG 200 TIG Welder in anywhere you want - in the shed, the garage, the basement, or even bring it over to your buddy’s house. You only need an outlet, and you can start welding. The machine is perfect when it comes to working in tight or smaller spaces or taking it back and forth from a shop to a tool shed.

Although the AC TIG welding feature is ideal for aluminum, keep in mind that the DC TIG welding can work on steel and chrome to create an accurate bead. Also, in case you work on aged aluminum frequently, this welding machine offers good cleaning action too.

The welder is multi-process, and can quickly switch to stick, making it ideal for outdoor work, especially with thicker materials. This portable TIG welding machine provides you with the option to switch to stick welding as well for more versatility conveniently. 

Portable Tig Welder Reviews

The welding machine is reliable. It is something we have come to expect with most Lincoln products. They are built to last. The metal casing performs an incredible job of protecting a welder's guts while the front buttons feel nice and stable. The machine uses no low-priced plastic parts.

​Square Wave TIG 200 TIG Welder K5126-1 comes ready with many bonus accessories to make sure you have everything you need. It has a foot amptrol, torch ready-pack, gas regulator, ground clamp, 200A stick electrode holder and input cords of 120V and 230V. The welder comes with a warranty of 90 days on the cable and gun, in addition to a guarantee of one year on parts and labor.



  • It is an advanced welder, but its design makes it simple to use
  • It is perfect for use with aluminum, but you can use it to weld with various materials
  • You can TIG and stick from a single power source
  • It is more portable than other models in the market
  • It has greater penetration and higher travel speeds
  • ​Pricey

What Others Are Saying

Many welding machines are often complicated to get used to, but in the case of ​Lincoln Electric Square Wave TIG 200 Portable TIG Welder, users have boasted that they set up the welder and start to weld just within 15 minutes of unboxing. It makes this welder an incredible choice for beginners. Buyers loved the fact that operating this welder is very straightforward and intuitive.

Users have also praised the fact that the welder is very portable, which makes working in tight and small spaces much simpler. Other buyers have loved the machine’s versatility as it can work with a lot of materials other than aluminum.

Buying Advice

When it comes to top-notch welding, the Lincoln Square Wave TIG 200 has an extremely clean and stable arc. It offers the kind of reliability that is hard to get with a substandard model.

Portable Tig 200 Welder


So, if you are looking for a capable and rock-solid Stick or TIG welder for your garage or shop, you should check out this welder. If you are interested in buying, the product is available on Amazon​.

Final Verdict

​Lincoln Electric Square Wave TIG 200 TIG Welder K5126-1 is by leaps and bounds the most effective dual stick/TIG welder for the money. The welder has both AC and DC TIG capabilities, allowing you to wield a variety of different materials such as aluminum, steel, and magnesium.

Also, its superior stick welding capability is better compared to any dedicated arc welder. With so many great features, we recommend that you buy this machine.

You can also see other reviews here.

Our Rating

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