Best MIG Flux Core Welder Reviews 2022

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If you are looking for the best MIG Flux core welder, we have put together specifications, reviews, and practical experience to highlight them on the market. These flux welders are easy to set up - for the workshop or a DIY person.

So, what is the best MIG flux core welder? The Go plus MIG 130 is our top choice. It uses a flexible core flux wire and has a versatile multifunctional panel with a 10-level wire feed speed. We have also developed a buyer's guide to highlight the vast world of welding equipment so that you can find the best possible solutions. Read all about our top picks.

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Top 7 Best MIG Flux Core Welder Comparison Table

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What Are The Best MIG Flux Core Welder?

Here's a list of the best MIG flux core welder we found:

1. Best Cheap Flux Core MIG Welder: Goplus MIG 130 Flux-Core Welder
2. Best 110v Gas Fed MIG Welder For The Money: Lotos MIG140 Flux-Core Welder
3. Best Affordable Flux Core Welder: ARKSEN MIG-130 Flux-Core Welder
4. Best Flux Core Welder For Sheet Metal: Super Deal MIG 130 Flux Core Welders
5. Best Entry Level MIG Flux Core Welder: Forney Easy Weld 261 140-FCi Flux Core Welder
6. Best Flux Core Wire For Thin Metal: VIVOHOME MIG130 Portable Flux Core Wire No Gas MIG 130 Welder
7. Best Flux Core Welder For Home Use: Kicking Horse F130 UL Certified Flux Core MIG Welder

1. Best Cheap Flux Core MIG Welder: Goplus MIG 130 Flux-Core Welder

Salient Feature

  • Input Voltage: 110V
  • Output Amps: 105 A
  • Weld Ability[metal thickness]: 24 GA – ¼”
  • Duty Cycle: 15% @ 90A
  • Flux Core Wire Diameter: 0.6/0.99mm
  • Feed Speed Control [Y/N]: 10 levels
  • Weight: 35 lbs.
  • Dimension: 14 x 8 x 12 inches
  • Warranty: 6 months
  • What’s Included: Welding wire, welding masks, Hammer, Brush.

The Go plus MIG-130 is an inexpensive Mig welding machine that is extremely portable and versatile. Cheap, however, does not mean bad quality because the device is designed to make the welding process as easy.

Variable welding speed:

The Go plus MIG-130 has two switches with four flux options and a wide variety of applications. It also has knobs that allow you to adjust speed in 10 levels. That makes it possible to weld even thinner sheets more effectively.

Flux-Cored Wire:

Go plus MIG 130 only operates with a flux core that uses the metal tip for generating metal-inert gas, which can prevent the welded area from being oxidized during welding. This MIG welder also features two air vents that help to avoid overheating in the system.

It also provides other benefits, such as a storage area where some simple accessories can be stored.

A wide variety of applications:

This elegant MIG welder is robust, yet lightweight high-duty steel with an easy to transport and storage handle. This welder is ideal for a range of applications that require a skilled finish, from welding iron and steel to overall DIY work and repairs.

In-Built Torch:

Go plus MIG 130 includes an integrated torch with safety on/off function. This means that you can enable/disable the entire process and save your power, if necessary. The light is also useful when welding in the dark and other areas that require precision.


  • Simple configuration.
  • Does not need gas
  • Four heat settings.
  • Lightweight.
  • Has a thermal safety feature


  • Strictly for flux core welding

2. Best 110v Gas Fed MIG Welder For The Money: Lotos MIG140 Flux-Core Welder

Salient Feature

  • Input Voltage: 110V
  • Output Amps: 140 A
  • Weld Ability[metal thickness]: 24 GA. – 1/4 in.
  • Duty Cycle: 20% @ 90A
  • Flux Core Wire Diameter: 16” (408mm) L
  • Feed Speed Control [Y/N]: 30-140 A
  • Weight: 54 lbs.
  • Dimension: 22 "x 10" x 16
  • Warranty: 1 year
  • What’s Included: Clamp and cable, Brush, Argon Hose, Spool wire, Hammer, Torch, Hand held shield.

LOTOS has a lightweight design. The MIG 140 gives you maximum control over your work and allows you to produce high-quality welds with high precision. It also allows you to adjust wire speed and has a wide range of options for high and low voltage flux wire.

Shield Gas and Flux-core Capable:

The LOTOS MIG 140 excels in this area, enabling both flux and gas welding. You can switch between the two modes saving you time and money. Gas shields produce cleaner welds with fewer splashes, but they can be more expensive.

Welding Capacity:

Welding capacity: The MIG 140 can weld a large range of materials, such as stainless steel and aluminum. It can also process a variety of thicknesses.

The high-speed spray gun works well with aluminum. It can handle 3.8 inches or even thicker. The welding machine can also comfortably handle stainless steel up to 18 1 / 4 inches.

Thermal Overload Indicator and Protection:

The welding machine has thermal overload protection, which allows you to switch off the device when it overheats. The supplied overload indicator lights up and warns you if you have exceeded the temperature.

Since welding requires high voltage, it is essential to have some form of protection to avoid blowing up!

Customizable Wire-speed and Voltage Settings:

With LOTOS MIG 140, you can adjust the wire speed and voltage settings to your welding requirements. The ten settings give you so much control over the entire welding process.


  • Power input 110/120
  • Configurations of 2 T and 4 T
  • Multifunctional welding.
  • Multifunctional welding.
  • 25 to 140 Amps
  • Duty period of 20 percent @ 90 amps
  • Measurements: 22 "x 10" x 16
  • Ground lead of nine feet
  • Let's the wire roll up to 8 inches


  • 1 year's guarantee
  • No welding table

3. Best Affordable Flux Core Welder: ARKSEN MIG-130 Flux-Core Welder

Salient Feature

  • Input Voltage: 110/120V
  • Output Amps: 120 A.
  • Weld Ability[metal thickness]: 24Ga – ¼”
  • Duty Cycle: 20% @ 90A
  • Flux Core Wire Diameter: 0.023"-0.035" Steel
  • Feed Speed Control [Y/N]: 50-120amp
  • Weight: 36 lbs.
  • Dimension: 19 "x 11" x 17
  • Warranty: No warranty
  • What’s Included: Welding Wire
    Mask Hammer Brush,
    Torch, Ground Cord

Arksen is the only flux welding machine that lacks a gas option for MIG welding, but you can't expect too much for the price. It can run high -quality beads on plates that measure less than ¼ inch. This makes it the right choice as the most reliable and budget-friendly welders on the market.

Duty cycle:

Experts say it is the best value in the industry for the work cycle. It can operate at a maximum speed of 1,000 watts per hour, with an average working time of 6 hours and a minimum of 3 hours.

Welds steel and aluminum:

The Flux Core Wire Welder offers you a wide range of metals, such as aluminum, that can be welded. You can also use other types such as copper, stainless steel. Name it!


Every welding machine has several accessories, but others will prompt you to visit the hardware store before using it. The toolkit includes welding wires, so you don't need to spend time on speculation or extra money to buy welding wires. Additionally, there is a hammer, wire brush, torch, and welding masks.


  • Affordable
  • Measurements: 19 "x 11" x 17
  • Weighs 36.8 pounds
  • Duty period of 20 percent @ 90 amps
  • Body made of stainless steel
  • Power input 110/120
  • DC output


  • No guarantee.
  • Limited Duty Circle
  • Welding up to 1/4
  • Average amps: 50-120
  • Substandard components
  • Holds the wire roll up to 6-inch

4. Best Flux Core Welder For Sheet Metal: Super Deal MIG 130 Flux Core Welders

Salient Feature

  • Input Voltage: 110/120V
  • Output Amps: 13O A
  • Weld Ability[metal thickness]: 24Ga – ¼”
  • Duty Cycle: 20% @ 90A
  • Flux Core Wire Diameter: 0.6/0.99mm
  • Feed Speed Control [Y/N]: 50 – 130 Amps
  • Weight: 38 lbs.
  • Dimension: 20.2 "x 15" x 12.5
  • Warranty: 1 year
  • What’s Included: Hammer Brush,
    Torch, Ground Cord Welding Wire Mask

The super deal is a sure choice in terms of performance and great functionality. One of the best characteristics is its weight, so you can always carry it with you, whatever you do. The case is made of sheet steel, which makes it lighter and more durable.

User-friendly panel:

It has an easy to use interface, which allows you to walk through the park with advanced options, which are easily accessible. It implies that you have a device with a lower risk of system failures to handle even the most complicated tasks.

Variable Speed Controls:

You can change current flow and wire speed to a variety of feed speeds by using four buttons and knobs. These controls allow you weld steel and other materials of different thicknesses with great precision.

Thermal Heat Protection and a Metal Tip:

The welding machine comes with a metal tip that prevents the formation of slag during welding, and also help in an emergency. The tool also has a thermal protection against overheating.

It fits anywhere:

The unit is small, waterproof and able to transport and store. It is the best option for tasks that need repositioning because it is easy to take with you. Besides, you don't need a separate gas cylinder to shield your gas with the welder.


  • Reasonably priced
  • Measurements: 20.2 "x 15" x 12.5
  • Weighs 38 pounds.
  • Duty period of 20 percent @ 90 amps
  • Power input 110/120V


  • 1 year's guarantee
  • Limited work cycle
  • Welding up to 1/4
  • Four amps settings: 50 - 130
  • AC output
  • Holds the wire roll up to 6-inch

5. Best Entry Level MIG Flux Core Welder: Forney Easy Weld 261 140-FCi Flux Core Welder

Salient Feature

  • Input Voltage: 120 V
  • Output Amps: 140 A
  • Weld Ability[metal thickness]: 24Ga – ¼”
  • Duty Cycle: 30% @ 90A
  • Flux Core Wire Diameter: 0.33mm
  • Feed Speed Control [Y/N]: Infinite
  • Weight: 19 lbs.
  • Dimension: 16.75" x 8.125" x 12"
  • Warranty: 1 year
  • What’s Included: Nozzle Diffuser Anti-spatter spray

Forney Easy Weld is perfect for Dyers or beginners. This machine uses a flux-core, which means it is a gas-free welder. It is ideal for new and pro welder applications, such as repair, maintenance, metal processing, etc.

Flux-Core Welding Only:

The Forney Easy Weld 261 uses an additional MIG gun at the bottom of the clamp, which is equipped with 0.030 flux wire. This means that the flow is installed, providing the necessary protection against oxidation and puddles of sweat.

This shielding mechanism is safe because it reduces the likelihood of explosions and saves money on gas refills.

Adequate Controls:

Such controls include voltage settings and wire-speed controls, which provide indispensable results. Forney Easy Welder 261 gives you total control of all the aspects of the welding process.

Higher-duty Cycle:

Forney Easy Weld 261 has a work cycle of 30 percent at 90 amps, so you can comfortably weld with less disturbance. The machine's size should not make you question its performance because it can weld sturdy stainless steel and other heavy-duty materials. Also, novices can weld heavy metal without much trouble.


Forney supplies all necessary attachments, including wire clamps and speed controllers, in one package. It uses only one wire width and is therefore ideal for use with a wide range of materials such as , aluminum, stainless steel, and other metals. It also incorporates inverter power and an easy to operate creative design, resulting in top performance.


  • Easy to use
  • A steady output of power.
  • Reliable mild steel welding.
  • Robust and long-lasting.


  • Uses only o type of wire
  • Do not weld any cast iron or aluminum products
  • Too bulky

6. Best Flux Core Wire For Thin Metal: VIVOHOME MIG130 Portable Flux Core Wire No Gas MIG 130 Welder

Salient Feature

  • Input Voltage: 110/120V
  • Output Amps: 160A
  • Weld Ability[metal thickness]: 24Ga – ¼”
  • Duty Cycle: 105A@15%
  • Flux Core Wire Diameter: 0.8-0.9mm
  • Feed Speed Control [Y/N]: 50-120A
  • Weight: 36.2 lbs.
  • Dimension: 19.8 x 14.7 x 12.6 inches
  • Warranty: 1 year
  • What’s Included: Welding wire, welding masks, Ground Cord

VIVOHOME is among the best portable flux welders. Any beginner would prefer something portable so they can carry out their tests and experiments anywhere.

Compact and portable design:

Unlike other entry-level welders, this machine is small and light; it weighs 37.1 pounds and has a handle. The welder can use this machine with all packages you receive, such as the VIVOHOME 2.0, Vivo home 3.2, or Vivo Home 4.5.

Versatile welder:

The welding machine can take care of a wide array of welding tasks including mild steel and aluminum welding. It is worth mentioning that it is better suited for thin welding sheets.


There are further accessories to facilitate the operation of the welding machine. This includes a welding gun, grounding clamp, and a welding helmet.


  • Compact.
  • The cable feed rate can be modified
  • Works on the 110V outlet
  • A lightweight and easy-to-grip machine


  • Instructions are technical for new users
  • DC welding tool only.

7. Best Flux Core Welder For Home Use: Kicking Horse F130 UL Certified Flux Core MIG Welder

Salient Feature

  • Input Voltage: 120V
  • Output Amps: 130A
  • Weld Ability[metal thickness]: 24Ga – ¼”
  • Duty Cycle: 15% @90A
  • Flux Core Wire Diameter: 0.8-0.99mm
  • Feed Speed Control [Y/N]: N/A
  • Weight: 10.78 lbs
  • Dimension: 15.5 x 10.55 x 10.55 inches
  • Warranty: 1 year
  • What’s Included: Welding Wire Mask
    Hammer Brush, Hand- held shield.

Ergonomics, power usage, performance, and efficiency are the factors which guide every smart welder. That is precisely why Kicking Horse F130 unit stands tall as the strongest flux core welder for home use

Voltage Control:

The F130 enables continuous fine-tuning of the voltage and allows you to design the weld puddle according to your wishes. Due to this continuously variable voltage adjustment, you have total control over the welding arc in your hand, so that you can achieve the desired results. When welding overhead, dial out weld puddle or spatter control.


The F130 is quick to carry between workplaces, due to its weight of 10 lbs and a heavy-duty adjustable shoulder strap. The lightweight nature saves valuable space for the garage.

Simple setup:

The gasless MIG gun optimizes flux welding to ensure smooth and low-maintenance flux wire conveying. The highly integrated structure of the F130 results in a compact, easy-to-use design for side load welding


Additional voltage overload sensors have been installed, especially for protection. Novices are 100% safe, especially when welding at home.

Energy efficiency: This modern IGBT inverter reduces energy costs by 25% and achieves 80% efficiency in energy conversion.


  • Improves the power supply
  • A fantastic way to reduce sprinkling
  • Secure your investment from overload voltage
  • Best beginner core flux welder
  • Good for home use
  • An intelligent way to weld at home without your electricity bills exploding
  • Lightweight
  • Do not spend much time working with or shopping for it
  • MIG gun upgraded
  • Easy installation and configuration
  • Increases skills to 85%.


  • At first usage, the torch tube may leak.

What is flux core MIG welding?

Gas - shielded welding enables a clean weld without oxidation or impurities by keeping oxygen out of the welding process. Inert gases are fed into the welding process through the MIG welding hose and flow through a gas shield during welding. The process creates an atmosphere that prevents oxygen from entering the weld.

When welding outdoors, a breeze blows through the shielding gas, making the weld susceptible to oxidation and porosity. When welding inside, however, the wind does not blow as strongly due to the shielded gas shield.

The engineers have solved this problem by making a welding wire with a hollow core and filling it with a flux mixture. When the metal gets hot, the cable causes the flux core to melt. The core turns into gas and shields the weld.

You can't weld with too much wind, but flux core welder can generate good outcomes in breezes that won't allow a MIG gas machine to work well.

How to set up a MIG welder for flux-core?

If you use a MIG welder with the wrong polarity setting in the flux set, you will find that your welds look disgusting. When the weld meets, there are plenty of splashes.

Make sure you change the setting of the MIG welding polarity at the time you switch from solid wire to flux core. If you are not sure what the difference is between a solid core welder and a flux core wire welder, it is easy to use both.

Solid wire secures the gas, usually C25 gas (25% carbon dioxide and 75% argon) while welding mild steel. You will need a 100% argon safety gas for other processes like aluminum.

We use the gas because it protects the weld puddle from pollutants, which can damage the material and its strength. It is not necessary to use a shielding gas for flux core wire because it is in the cable, and it serves as the protecting agent when the arc starts.

How to weld with MIG flux-cored welder?

Like the MIG welding, flux core welding requires three main components, strength, filler metal, and air shielding. In addition, flux core welding works by providing the joint with an electrode.

At first, the welder squeezes the trigger. Then the wire supply begins feeding the electrode to the joint, thus electrically charging the electrode.  The electrode hits the surface, and a short circuit heats the cable before the wire melts.

When the electrode starts to melt, the metal melts too, and then they begin to build a puddle. At the same time, this puddle melts the flux core and creates an air barrier forming a slag to protect the surface against contamination.

What is the difference between MIG and flux core welding?

A wire welding electrode is used for MIG welding on a spool fed automatically at a constant speed. A high-strength, large-scale, cleaning weld is created between the base metal and the wire by the arc. The wire blends and attaches to the foundation. MIG welding on thin or thicker plating metals is clean and straightforward.

Flux-core arc welding is a wire feeding technique like MIG welding; it differs because it does not need a shielding gas. It is a quick, effective welding process, especially for outdoor welding, windy weather, and messy materials.

Due to its high welding speed and portability, the process suits construction works. MIG and flux core welding are both easy to learn and can produce immaculate welds in steel, aluminum, and stainless steel. Flux core welding can handle even thinner materials (minimum of 26 gauge)

How to Choose the best MIG flux core welder? (Buying Guide)

How To Choose The Best MIG Flux Core Welder

Determine what your purpose is to ensure you buy what you need. If you turn off gas, each MIG machine can run the flux core wire. However, people often run gas with the flux-cored wire to provide additional protection for the weld.

It is always not necessary, so the simple MIG welder or other flux-core machine does the job. Before buying a new flux-core welder, the following details are useful.

Powerful-ability to give adequate amps

To select the correct welder, you need to know its performance amperage. That will determine the efficiency of your core flux welder. The outputs for the most flux core welders range from 25 to 140. You can work on a variety of metals with a sufficient amp. Therefore it will handle anything you throw, whether you're working on steel, stainless steel, or even aluminum.

Portable Design

The MIG welder you will buy should be compact and easy to transport. It means that it must be reasonable in weight and size.

MIG welding machines are usually the best option for small tasks, or in areas where you cannot take big welders. Search for a MIG welder with minimum weight for small projects.


You need a variety of tools, including the gas valve, MIG gun, gas regulator, work cable, clamps, power cords, contact tips, sample spools, flux-cored wire, spool adapters, etc. In case you buy a welding machine with enough tools, you do not have to buy them separately, reducing costs. You must, therefore, choose a flux core welder with sufficient accessories.

Safety Matters

A welder relies on the reliability and performance of its thermal overload safety system. It plays an integral part in ensuring that the welding gun doesn't overheat—the above works by automatically stopping the machine as soon as it starts to overheat.

When the machine cools down, the thermal overload safety mechanism restarts. Such types of security systems are comparatively more expensive than other similar choices. It is therefore strongly recommended that you pay more for this quality.

Warranty & Service after Sale:

Test if the device has a warranty and how long it will last. Find out what the guarantee entails, so you have an idea of whether it is a reliable brand.

Most trustworthy companies provide dealer warranties, ensuring that if your welder faces some technical problem, you don't have to buy the repairs. A poor quality welding tool has no guarantee; you have to bear the cost of repairing it

Adjustable Welding speed

The velocity is the rate at which the wire is fed from the weld to the gun. The factor is important because a slow feed removes the wire when it reaches the welding zone, which leads to uneven welding. Feeding the wire too fast, however, allows too much wire to scatter. To produce good results, you should select a welder at the appropriate pace.

Ease of use

There are Portable home flux core welders with precise, easy-to-use functions. You get a trigger switch on your welding torch, which may be something you want to look at. You would like a device that is easy to use. This trigger turns the wire feed on and holds it while you work.

What is flux-core welding best for?

Flux-core welding is best for thick joints, as the added penetration helps ensure a strong weld. This type of welding is also well-suited to general repairs and shipbuilding, as the welder can hold the torch in a number of directions. This allows for greater accuracy and precision when welding, which is essential in these industries.

Are flux core wire welders any good?

Flux core welding is a great option for welding outdoors or in other situations where there might be a breeze, as the gas used in traditional welding can blow away. The preparation for flux core welding is the same as for traditional welding—clean metal, good ground, and proper machine settings. Once the weld is complete, the slag must be chipped away, but the resulting weld should be clean.

Is a flux core welder good for beginners?

A flux core welder is a great option for beginners because they are easy to use and can weld a variety of metals. The main advantage of a flux core welder is that it does not require gas, which makes it more portable and easier to set up. Additionally, flux core welders are less expensive than MIG welders and can be used with a variety of different wires.

Is flux-core welding strong?

Flux-core welding is a very strong method of welding, due to the high deposit rate of filler material. A MIG welder can deposit up to 8 pounds of wire per hour, whereas a flux-core welder can deposit up to 25 pounds per hour. This makes flux-core welding ideal for heavy-duty applications where a lot of welding is required.

What are the disadvantages of flux core welding?

Welding is a process of joining two materials, usually metals or thermoplastics, by causing coalescence. This is usually done by melting the workpieces and adding a filler material to form a pool of molten material (weld pool) that cools to form a joint that is usually stronger than the base material.

Flux core welding (FCW) is a welding process that uses a continuous wire electrode and an externally supplied gas to shield the arc from contamination. The electrode is fed through a welding gun and into the weld pool, where it forms an arc and provides the filler material for the weld.

FCW is a popular welding process because it is relatively easy to learn and can be used in a wide range of applications, including outdoor welding. However, there are some disadvantages to using this type of welding process.

One of the biggest disadvantages of FCW is that it can be difficult to produce a high-quality weld. This is because the arc is not as stable as it is in other welding processes, such as gas metal arc welding (GMAW). This can make it difficult to produce a consistent weld bead and can lead to welds that are weaker than those produced by other welding processes.

Another disadvantage of FCW is that it can be more expensive than other welding processes. This is because the consumables, such as the wire electrode and the gas, can be more expensive than those used in other welding processes.

Finally, FCW can produce more welding fumes than other welding processes. This is because the flux that is used to shield the arc from contamination can produce fumes that can be harmful to the welders and those nearby.

Despite these disadvantages, FCW is still a popular welding process because it is relatively easy to learn and can be used in a wide range of applications. If you are considering using this type of welding process, it is important to be aware of the disadvantages so that you can make an informed decision about whether or not it is the right welding process for your needs.


To achieve the best possible welding performance, the buyer should know how to use a self-proof cored flux wire, a gas-protected cored flux wire, and how to operate a welding gun.

The correct device and safety gear are crucial to the success of your project, as is the case with any welding process. Our Best Flux Core Welders review lists the top picks that will accomplish the job, so the decision depends on your price level.


Is flux core better than MIG?

Flax core welding offers lots of advantages in terms of welding performance. It is also the least dangerous in the event of a fire breakout.

Are gasless MIG welders any good?

Yes. The older fashioned arc welders often ran at high temps and lower amps, which could ignite the gas inside the propane tank. The new advanced gasless flux arc welders are excellent and easy to control.

What is the best MIG welder for home use?

Kicking Horse F130 UL Certified Flux core MIG Welder is the easiest way to make your home DIY electrician dreams come true.

What happens if you mIG weld without gas?

A-Gas is required to help your router and to build the guide rails. You will NOT get a guide rail after a clean cut!

Is flux welding reliable?

Flux welding is reliable and versatile in its use. It has the benefit of opening many more points of contact on any surface. For instance, drive train wiring and sprocket holes, allowing for a tighter, cleaner weld.

How thick can you weld with flux core?

This procedure is generally best for welding thicker, single-pass materials, especially when you need to weld outside. An electrode like a 115-volt flux-cored unit, 035 "Inner shield NR-211-MP will enable you to weld up to ¼" thick steel.

Can any MIG welder use flux core wire?           

Sure, that's going to work okay. In MIG welders, even if gas is available, the flux core is often used. The flux core, for example, works to blow off shielding gas in windy conditions. It also provides a little better penetration than gas protected wire.

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