Flux Core vs Stick Welder: Which One Should You Buy?

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Flux core vs stick welder: the short answer

Flux-core welding feeds wire from a spool, so the arc never stops for an electrode change. Stick welding burns flux-coated electrodes one at a time, and each electrode stubs out. The YESWELDER and ATLAS listings state self-shielded flux-core wire that needs no gas bottle, while the bestarc and ARCCAPTAIN listings state multi-process machines that run flux core and stick in one box. The trade is convenience against stick’s edge on heavy rust and wind.

When flux core wins

Choose flux core for the home garage and the learning curve. The YESWELDER states an E71T-GS self-shielded wire in 0.030 in on a 2 lb spool, with smooth stable welding and no external shielding gas. The ATLAS states an E71T-GS wire in .035 in on a 10 lb spool, with a stable arc in windy conditions and controlled spatter. Both state all-position welding and use on mild steel. The bestarc states a 145A 4-in-1 machine with synergic control that auto-selects voltage and wire feed speed, and the ARCCAPTAIN states a 135A 3-in-1 with synergic setup for beginners. For auto repair, farm projects and fabrication, the stated gas-free convenience is the argument.

When stick wins

Choose stick for dirty steel and the outdoors. The bestarc states stick welding among its four processes, and the ARCCAPTAIN states MMA stick with hot start and arc force from 0 to 60A. Stick electrodes dig through rust and mill scale better than wire, and there is no gas to blow away. For field repair and thick, rusty steel, the stick side is the traditional answer. See mig vs stick welder for the broader comparison.

The gear in this guide

1. bestarc 145A 4-in-1 welder

The bestarc is the do-everything pick: a 145A multi-process machine stated to run gas MIG, gasless flux core, lift TIG and stick, with 110/220V dual voltage and synergic control. The listing states it works with 0.030, 0.035 and 0.040 in flux core wire and 0.030 in solid wire, and includes a MIG torch, stick holder, earth clamp and wire samples. It states a 13.7 lb weight in the bullets against 22.6 lb in the spec table, so the weight is inconsistent in the listing. For a garage that needs both processes, the stated 4-in-1 is the feature.

2. ARCCAPTAIN 135A 3-in-1 welder

The ARCCAPTAIN is the portable pick: a 135A machine stated for gasless flux core MIG, lift TIG and stick on 110V, at a stated 9.48 lb. The listing states synergic control with manual fine-tuning, 2T/4T modes, and hot start with arc force from 0 to 60A on stick. It states a 2-year manufacturer warranty, the only stated warranty of the four. For a beginner who wants stick in the same box, the stated warranty is the feature.

3. ATLAS WELDER E71T-GS wire, 10 lb

The ATLAS is the bulk-wire pick: E71T-GS flux core wire stated at .035 in on a 10 lb spool for gasless mild steel welding. The listing states a stable arc in windy conditions, smooth beads with controlled spatter, and solid penetration on clean or lightly rusted steel. It states a Maryland-based brand with real support. For a season of outdoor repairs, the stated 10 lb spool is the value.

4. YESWELDER E71T-GS wire, 2 lb

The YESWELDER is the starter-wire pick: E71T-GS self-shielded flux core wire stated at 0.030 in on a 2 lb spool. The listing states smooth, stable welding with no external shielding gas, low spatter with easy slag removal, and an advanced flux formulation for welding over light rust and mill scale. It states compatibility with most welders. For trying flux core before committing to a big spool, the stated 2 lb size is the feature.

Wire sizes and spool weights

The YESWELDER states 0.030 in wire on a 2 lb spool, compatible with most welders. The ATLAS WELDER states .035 in wire in a 10 lb spool, with the spec table stating 10.76 pounds. The bestarc states it accepts 0.030, 0.035 and 0.040 in flux core wire plus 0.030 in solid wire, and ships with a 0.040 in flux cored wire and a 0.030 in solid wire in the box. For the wire size to stock, the bestarc stated range covers all three, while the YESWELDER and ATLAS state one size each.

Power, portability and warranty

The bestarc states 110/220V dual voltage with automatic detection, and the ARCCAPTAIN states 110V. The bestarc bullets state 13.7 lbs with a shoulder strap, while its spec table states 22.6 pounds; per our rule we trust the bullets. The ARCCAPTAIN states 9.48 lbs with a carrying handle and shoulder strap, against a 10 pound table figure. The ARCCAPTAIN states a 2-year manufacturer warranty, the only stated term here. The bestarc states 12000 watts in its spec table. For moving between garage and job site, the stated 9.48 lb figure is the lightest of the two machines.

Frequently Asked Questions

Can one machine do flux core and stick?

Yes. The bestarc states gas MIG, gasless flux core, lift TIG and stick in one 145A machine. The ARCCAPTAIN states gasless flux core, lift TIG and stick in a 135A machine.

Which wire size for the YESWELDER wire?

The YESWELDER states 0.030 in E71T-GS on a 2 lb spool. The ATLAS states .035 in E71T-GS on a 10 lb spool. Check the machine’s stated wire range before ordering.

Which of these states a warranty?

The ARCCAPTAIN states a 2-year manufacturer warranty. The others state no warranty term.

Which is the lightest machine?

The ARCCAPTAIN states 9.48 lb. The bestarc states 13.7 lb in its bullets against 22.6 lb in its spec table, so its weight is inconsistent.

Which states hot start for stick?

The ARCCAPTAIN states hot start and arc force from 0 to 60A on stick. The bestarc states no hot start figure.

Related guides

Related: mig vs stick welder, tig vs stick welder and tig vs mig welder. Also see our stick welder vs wire feed and our best stick welder for farm use.