Best TIG Welder (Review & Buying Guide) 2020

If you’re working on a custom auto or car restoration project, chances are you need to work with aluminum or 4130 chrome-moly steel—and that means TIG welding. If you’re a hobbyist or amateur builder who does these kinds of projects often, then you know that TIG welding isn’t easy. And getting it done right requires either lots of practice or the services of a professional. But paying a pro welder for even small jobs is expensive—and for full restorations or ongoing projects, the cost for hiring a welder can add up quickly.

If you’ve ever welded with an oxy-acetylene torch, you can easily weld with a tungsten inert gas machine. The TIG process uses an electric torch, and the welding hand feeds a filler rod into the molten puddle. This puddle hardens as it dries, permanently connecting the metals. A foot TIG pedal controls the temperature, which is important because all metals react differently to heat.

Whether you’re repairing and/or restoring a classic, creating a custom from the ground up, or something in between, the advantages of owning a TIG welder can save you time and money. Of course, this relies on finding the right tool and using it properly.

Best Overall

AHP AlphaTIG 200X

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Best Value

FORNEY Easy Arc Welder

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Honorable Mention

WELDPRO Welding Machine

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Benefits of TIG Welders

Precise metalworking results. Since this kind of welder works well for essential joints, it is ideal for small areas. TIG welders are ideal for accuracy and details in your metalworking.
Protects surroundings. Most modern TIG welders incorporate displays to inform you of temperature and amperage. This, plus the precise arc, keep both the machine and the worker safe.
Clean welding results. The welder doesn’t leave behind bulky joints and bulges of metal. Instead, it offers precise details and effective welds that aren’t too apparent.
Improves overall efficiency. These welders are easy to use and control; and, since they are so accurate, you can finish your project more expediently.
Works with various materials. You can use a TIG welder on both aluminum and steel. The ability to work with different metals means you can tackle most projects.

Types of TIG Welders

Alternating/Direct Current

While a direct current (DC) welder works on all sorts of metals except aluminum and magnesium, an alternating current (AC) welder only works on those two types. Depending on the project, you need a specific application. Since the TIG welder uses the same kind of metal in the weld as its surroundings, it’s important to pick the right type. Some welders switch between both AC and DC, meaning you can select the setting accordingly. The ability to do both is an important feature if you plan to work on versatile projects.

Digital/Analog Welders

Traditional TIG welders feature dials for controls, so you can manually make adjustments. This type of welder tends to be very sturdy, though it can be more challenging to maneuver. Conversely, modern welders have digital displays. These highlight things like amperage and temperature to keep you informed of the welding unit’s performance throughout. Those beginning to weld can benefit from the LCD on a digital unit. With more experience, it is straightforward to use the analog version.

Helium Welders

All TIG welders use gas to protect the reaction in the metal. Helium is a lightweight, fairly inert gas which is common in TIG welders. Often, you can find it mixed with other gases to create a more lasting effect. Since this element is light and has shielding properties, it is common in older TIG welder devices.

Argon Welders

This element is the most common shielding gas used in TIG welding, especially in modern devices. Because this gas isn’t corrosive, it won’t lead to the oxidation of the metal. It isn’t flammable either, keeping the environment safe. These TIG welders are the most prevalent on the market since the gas is relatively easy to access. When using an argon welder over the long-term, ensure that you can get refills.

Top Brands

WELDPRO

With roots in Waterloo, Ontario, Weldpro is a part of the international corporation Linlong. With a focus on the quality of design and performance, this brand uses the best technology to craft practical welders. A fan favorite from this company is the WELDPRO Welding Machine.

LINCOLN ELECTRIC

Opening its doors in 1895 in Ohio, Lincoln Electric became an industry-leader in welding machinery. Featuring everything from arc welders to robotic pieces, it offers a variety of welding tools. One of the most popular options from this company is the LINCOLN ELECTRIC K2278-1 Handy Core.

LOTOS

With production based out of the U.S., LOTOS offers a variety of welding tools. From cutters to accessories, the company keeps its eye on modern technology and focuses on useful developments. A leading selection from this company is the LOTOS LTPDC2000D Plasma Cutter Welder.

TIG Welder Pricing

Under $500: Welders in this price range are typically easy to handle and have a lower amperage than more expensive models. This style is usually analog and tends to feature a single type of protective gas for the welds.
Over $500: Options in this range are usually quite heavy-duty and have more features. With digital displays, high amperage levels, and the ability to last longer, this type of welding unit is very long-lasting.

Key Features

Control Method

Consider what kind of control you want to use. Every welder will have a method of application, whether with a hand-operated trigger or a pedal. Some units have add-on options to let you attach a foot pedal. By incorporating a user-friendly control interface, you can more easily achieve precision welds.

Versatile Performance

TIG welders are preferred for their ability to work on multiple metal types. Consider what materials the welder can work on. Many enable you to handle steel, aluminum, and copper. Some restrict your ability to work on particular materials. If you plan to use specific electrodes, ensure that the welder is compatible with the setup (acid vs. base, etc.). Check out the YESWELDER Tungsten Electrode as an example.

Starter Technology

All welders feature a way of heating the metal, using the power source (the wall outlet). Some use a direct current while others run off of an alternating current. Check out whether there is an HF starter (high-frequency kickstart). Since the frequency is used to heat the arc quickly, it can interfere with other machinery due to the large pulse. Choose a welder that won’t damage your surroundings.

Duty Cycle

A fairly standardized metric, duty cycle refers to the amperage the piece can use over ten minutes. This represents the maximum amount of power it can use before needing to cool back down. Choosing a well-fitting duty cycle will impact your efficiency and overall results.

Arc Power

Since TIG welders are meant for precision, there are arcs designed for different material thicknesses. If you want to weld larger items, these welders may not be the best-suited pieces. Conversely, when dealing with fine material, it helps to have a well-controlled arc that deals with minimal amperage.

Other Considerations

Durability: While welders are pretty tough, they are still vulnerable to natural wear and tear. Choose a machine where all the components are designed to last, particularly the circuitry. Since so much amperage travels through the TIG welder, it is important to choose something well-designed and not prone to overheating.
Portability: Think about whether you will need to weld at a location. It’s essential to choose a welder that can travel with you to the worksite if you will. This means selecting something lightweight enough to move around. Opt for a selection with a handle to prevent falls and impact damage.
Setup Requirements: If you are newer to welding, it’s important to choose a welder with minimal installation requirements. Pick something that comes with everything you need to reduce the chances of compatibility issues. Ensure that there is an instruction manual included to help you with any troubleshooting which may arise.
Power Source: While the majority of TIG welders use an AC model (meaning you can plug them into a wall socket), there are some DC options. Take a look at how the unit is powered and ensure that you can access the electrical connections necessary. Perhaps you will require an adapter; if so, ensure that it is either included or easy to access.

Best TIG Welder Reviews & Recommendations 2021

Tips

Ensure safety throughout. This is high-voltage welding. Be sure that you have all the necessary gear like welding gloves and clean, open space.
Try different angles. When learning to weld, it helps to adjust your position. This can help you learn precision techniques ahead of time.
Be prepared. If the electrode contacts the metal, the contamination can’t be reversed, so keep some extra electrodes close at hand to prevent downtime.
Understand the process. Take the time to figure out what you are planning to weld the plan without having to figure it out as you go.
Wear a helmet. Welding is dangerous on the eyes, so be sure to find a quality helmet like the YESWELDER Darkening Welding Helmet.
Practice beforehand. Give yourself a chance to get acquainted with the welder before you tackle a large project.

FAQs

Q: What is the best TIG welder for aluminum?

A: The best TIG welder for this purpose avoids wire feeding, meaning you can maneuver it more easily. Thanks to the exfoliating effects, it helps to use an alternating current whenever possible. A solid choice for this is the LOTOS CT520F TIG Welder.

Q: Which is better: MIG or TIG welding?

A: The two types of welding are inherently different. TIG welding is more suitable for thinner materials and smaller-scale tasks. It is ideal when you need precision and accuracy before power. Conversely, MIG welding is a good starting point thanks to the simpler controls—it depends on the task and the welder’s experience. Often, there are welding units that have both MIG and TIG features.

Q: Are cheap TIG welders any good?

A: While not usually suited to intensive work, cheap TIG welders are ideal for learning. You can get a lot of utility out of more affordable models. Though they typically lack the bells and whistles, these welders give you a chance to learn control and finesse. You can still use them for viable welds, though cheaper options have less shelf-life than the more expensive counterparts.

Q: Can you TIG weld without gas?

A: TIG welding does require a gas. Usually, it’s argon (though sometimes it’s helium). The gas shields the welding site from taking in nitrogen and oxidizing (rusting and corrosion). The gas is essential to the welding process, regardless of the material you are working on for the project.

Final Thoughts

Now that you know the ins and outs of TIG welders, you can get started. With tools for beginners and experts alike, there are endless possibilities for metalworking. Overall, the AHP AlphaTIG 200X is high quality and user-friendly while the FORNEY Easy Arc Welder provides great value with compact features.