To put it plainly, you said that YOU wouldn't use flux core on anything structural. If that's an asthetics opinion regarding your vehicle, I'd tend to agree, but, the way you put it is that flux core welding isn't sound for something structural. There's opinions, and there's the truth. Your opinion is misrepresenting the truth. Flux core is perfectly acceptable all around the world to erect m***ive buildings, including in the most earthquake prone areas of the world. No, it's not pretty, but, if you have to stick two pieces of steel together, a competent flux core weldor can do it just as soundly as someone doing MIG or Dual Shield. An opinion is fine, but, don't condemn a form of welding if you don't know its' potential. That's how misconceptions spread, and that's no good for anyone.
Your ***le and question are 2 different things. A flux core vs. MIG. If youre in a pinch, the HF "MIG" should work but for the money ($199 plus a gas bottle, gas and decent wire) you'd have tied up...you would be better off paying a shop to do it. The $79 flux core welder wouldn't help you much.
Bodi=100% correct Musclealmighty=FOS I, to, have run miles of flux core wire in highrise buildings, the Los Angeles Metro subway, water plants, bridges, etc. There are 3 pre approved welding processes for structural steel. Stick, Flux Core and Sub Arc. To state that flux core is no good for structural use is an admission of ignorance. Does it have a place in car building? I have used it to do subframe swaps, frame stretching and shortening, Zing and so on. Properly done, you can lay down a nice attractive bead that needs minimal cleaning afterwards. Haven't had a failure yet
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