Best Flux Core Welder: 6 Gasless Picks for Outdoor and Farm Repairs
Six gasless wire feed welders that run flux core without a gas cylinder, compared on output, rated thickness, wire size and warranty.
By WeldGearLab Editorial
Updated October 4, 2026
This guide is for homeowners, farmers and hobby welders who want to weld steel without a gas cylinder: fence posts, gates, trailers and equipment repairs, often outdoors where wind blows shielding gas away. Every machine here runs self shielded flux core wire, and we compared them on rated thickness, wire size, input voltage and the warranty each listing puts in writing. If you want gas MIG on a household outlet as well, see our best 120V MIG welder guide.
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Quick picks
- Best Overall Lincoln 90i FC: Rated to 1/4 inch, a metal case and the only duty cycle in this guide, 30% at 90A, stated on Lincoln’s kit listing for the same welder. Check price
- Best Value ARCCAPTAIN MIG130: The most owner ratings in the sample, .030 to .040 inch wire, 2 lb of wire in the box and a 2 year warranty. Check price
- Best Dual Voltage ANDELI 135A Pulse: Pulse flux core, 110V and 220V input and adjustable inductance, rated to 3/16 inch. Check price
- Best Starter Kit FEMEROL MIG130R: Torch, stick holder, gloves, wire and tips in the box, with a stated 2 year guarantee. Check price
Compare the picks
| Model | Gear Score | Output | Input | Rated thickness | Flux wire | Weight | Warranty |
|---|---|---|---|---|---|---|---|
| Lincoln 90i FC | 57 | 30 to 90A | 120V | 1/4 in (passes not stated) | Not stated | 15 lb | 12 months |
| ARCCAPTAIN MIG130 | 56 | 130A | 110V | Not stated | .030, .035, .040 in | 11.79 lb | 2 years |
| FEMEROL MIG130R | 55 | 130A | 110V | 4.0 mm (passes not stated) | .030, .035 in tips | 9 lb (bullets), 14.08 lb (table) | 2 years |
| ANDELI 135A Pulse | 50 | 135A | 110V/220V | 3/16 in (passes not stated) | .030, .035, .040 in | 9.04 lb (bullets), 18.46 lb (table) | Not stated |
| AZZUNO MIG 130F | 49 | 130A (title), 135A (table) | 110V | 3.0 mm (bullets), 5/32 in (table) | .030 in included | 8.6 to 11.98 lb | 1 year |
| HITBOX HBM1200 | 40 | 200A (title), 145A (table) | 110V/220V (table: 100V) | 4.0 mm (passes not stated) | .030, .035 in | 8.6 lb (bullets), 6.6 lb (table) | Not stated |
Specifications are manufacturer rated, as published on each listing and collected 4 October 2026. Where a listing states a figure two ways, the table shows both.
The picks
| Award | Product | LAT Score About the Gear ScoreThe LAT Score is our own rating from 0 to 10, based on performance, design and build, ease of use, and value. It reflects independent research and is never influenced by manufacturers, retailers, or affiliate commissions. Learn more › | |
|---|---|---|---|
Lincoln Electric 90i FC Flux Core Wire Feed
|
57/100 | Buy | |
ARCCAPTAIN 130A Flux Core Welder MIG Welder 110V
|
56/100 | Buy | |
FEMEROL MIG Welder,2 in 1 Flux core/Stick
|
55/100 | Buy | |
ANDELI 110V/220V PULSE Flux Core MIG Welder
|
50/100 | Buy | |
AZZUNO MIG Welder,Flux Core Welder Machine 110V
|
49/100 | Buy | |
HITBOX 200A MIG Welder, 110V/220V Flux Core
|
40/100 | Buy |
Lincoln Electric 90i FC Flux Core Wire Feed
A 120V gasless wire feed welder in a metal case, rated to 1/4 inch, from the most established brand in this guide.
Pros
- Rated to weld up to 1/4 inch, the highest rated thickness in this guide
- Metal case and shoulder strap, 15 lb
- Lincoln's kit listing for the same K5255-1 welder states a 30% duty cycle at 90A
- 12 month manufacturer warranty in the listing
Cons
- 120V only, no 240V input
- Flux core only, the table says MIG welding capable: no
- Amperage range stated as 30 to 90A here and 20 to 120A on the kit listing
- No flux wire sizes in this listing
ARCCAPTAIN 130A Flux Core Welder MIG Welder 110V
A 130A gasless flux core, stick and Lift TIG machine with the most owner ratings in our sample and a 2 year warranty.
Pros
- Most owner ratings of the 14 listings we looked at
- Synergic setup by flux wire size: .030, .035 or .040 inch
- Electrode holder and a 2 lb roll of .030 inch flux wire in the box
- 2 year manufacturer warranty in the listing
Cons
- No duty cycle rating in the listing
- No rated thickness in the listing
- 110V only
- Lift TIG torch sold separately
FEMEROL MIG Welder,2 in 1 Flux core/Stick
A 130A flux core and stick machine sold as a kit with torch, stick holder, gloves and wire, with a stated 2 year guarantee.
Pros
- Kit includes torch, electrode holder, gloves, 0.5 kg of .030 inch flux wire and spare tips
- Synergic and manual modes
- Rated for mild steel plate up to 4.0 mm
- Listing states a 2 year guarantee
Cons
- No duty cycle rating in the listing
- The included welding mask has no stated ANSI or CSA rating
- Weight stated as 9 lb in the bullets and 14.08 lb in the table
- No Lift TIG mode
ANDELI 110V/220V PULSE Flux Core MIG Welder
A 135A dual voltage flux core machine with a pulse mode and inductance control, rated to 3/16 inch.
Pros
- Pulse flux core mode, rare in gasless machines
- 110V and 220V input with a 220V to 110V adapter in the box
- Adjustable inductance and 2T or 4T trigger modes
- Takes .030, .035 and .040 inch flux wire
Cons
- No warranty term in the listing
- No duty cycle rating in the listing
- Weight stated as 9.04 lb in the bullets and 18.46 lb in the table
- Included goggles and face shield have no stated ANSI or CSA rating
AZZUNO MIG Welder,Flux Core Welder Machine 110V
A small 110V flux core, stick and Lift TIG machine with a 1 year warranty and wire in the box.
Pros
- Synergic control from amperage or thickness, plus voltage and wire speed knobs
- 1 lb of .030 inch flux wire and two contact tips in the box
- Takes 2.2 lb rolls of wire
- 1 year manufacturer warranty in the listing
Cons
- Rated thickness given as 3.0 mm in the bullets and 5/32 inch in the table
- Output stated as 130A in the title and 135A in the table
- Three different weights in one listing, 8.6, 10.8 and 11.98 lb
- No duty cycle rating in the listing
HITBOX 200A MIG Welder, 110V/220V Flux Core
A long selling, very light flux core, stick and Lift TIG machine whose listing disagrees with itself on output and voltage.
Pros
- Listed since January 2019 with a large owner rating count
- Dual 110V and 220V input in the title and bullets
- 8 ft torch, 5 ft ground clamp and 5 ft stick lead in the box
- Synergic control from current or wire diameter
Cons
- Output stated as 200A in the title and 145A in the table
- Table voltage reads 100 volts, which does not match the dual voltage claim
- Takes 2 lb spools only
- No warranty term and no duty cycle in the listing
How we scored them
Each machine is scored out of 100 on performance, build, value, safety listing and warranty, with the weights published on our How We Pick page. A spec the listing does not publish scores nothing.
| Product | Gear Score | Perf. | Build | Value | Safety | Warranty |
|---|---|---|---|---|---|---|
| Lincoln 90i FC | 57 | 20 | 17 | 13 | 0 | 7 |
| ARCCAPTAIN MIG130 | 56 | 16 | 14 | 17 | 0 | 9 |
| FEMEROL MIG130R | 55 | 14 | 14 | 18 | 0 | 9 |
| ANDELI 135A Pulse | 50 | 19 | 14 | 17 | 0 | 0 |
| AZZUNO MIG 130F | 49 | 13 | 12 | 17 | 0 | 7 |
| HITBOX HBM1200 | 40 | 14 | 11 | 15 | 0 | 0 |
Buying guide: what matters in a flux core welder
Why gasless
Flux core wire carries its own shielding inside the wire, so you need no cylinder, regulator or hose, and a breeze outdoors does not ruin the weld the way it does with gas MIG. The trade off is slag to chip off and more spatter, so it suits repair and farm work better than thin sheet metal where looks matter.
Rated thickness and passes
Only 4 of the 14 listings we looked at stated a thickness in inches, and none said whether it meant one pass or several. In this guide the ratings run from 3.0 mm, just under 1/8 inch, to 1/4 inch for the Lincoln. Treat every figure as manufacturer rated, and expect thicker steel to need a beveled joint and more than one pass.
Wire size
Most machines here take .030 and .035 inch flux wire, and the ARCCAPTAIN MIG130 and ANDELI also list .040 inch. Larger wire carries more current for thicker work. Check the spool size too: several of these take 2 lb or 2.2 lb rolls only.
Duty cycle
Only 1 of the 14 listings stated a duty cycle with an amperage: Lincoln’s kit listing for the 90i FC, at 30% at 90A, about 3 minutes in every 10. If you plan long fence runs, ask the seller for the figure.
Included safety gear
Two kits here include eye protection: a welding mask with the FEMEROL and goggles plus a face shield with the ANDELI. Neither listing states an ANSI Z87.1 or CSA Z94.3 rating, so treat them as extras and buy a rated auto darkening helmet. Across all 14 listings, none stated a CSA, UL or ETL listing for the welder itself, and 8 stated a warranty term.
Flux core smoke. Flux core wire produces more smoke and fumes than gas MIG. Weld outdoors or with good ventilation, keep your head out of the plume, wear a helmet with the right shade, leather gloves and flame resistant clothing, and clear dry grass and anything flammable from the area. See the OSHA welding overview and our Safety Disclaimer.
Frequently Asked Questions
Can a flux core welder run gas later?
Not the Lincoln 90i FC, whose table says it is not MIG welding capable. The other five listings describe gasless flux core only and do not mention a gas connection, so if you want gas MIG later, buy a machine that lists it now.
How thick can a 120V flux core welder weld?
The ratings in this guide run from 3.0 mm to 1/4 inch, all manufacturer rated and none with a pass count. A rating at the top of the range usually assumes multiple passes on a prepared joint.
Is flux core strong enough for trailer and farm repairs?
Flux core is widely used for outdoor repair work on mild steel. Whether a given weld is strong enough depends on the joint, the thickness and the welder’s skill, not just the machine. For structural or load bearing work, such as a trailer hitch, have a certified welder do or inspect the job.
Do I need a 220V outlet?
No. Every machine here runs on 110V or 120V. Two, the ANDELI and HITBOX, also list 220V input, and the ANDELI listing says 220V gives more output without stating how much.
What flux core wire size should I buy?
Start with the size the machine’s synergic chart covers best, usually .030 inch for thin material and .035 inch for general repair. Check the spool size the machine takes before you order wire.
Related: best 120V MIG welder, best welder for beginners, best MIG welder under $500, and the MIG welders hub.
About the author
WeldGearLab Editorial is the editorial team behind WeldGearLab. We research product listings, specifications, safety listings and warranty terms, score every pick with the published Gear Score method, and correct errors when readers report them. We do not run shop tests; see How We Pick for exactly how picks are made.