OdinAF
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- May 9, 2013
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- 1993
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- Ford
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Well that's your first problem, always prep your surface clean to prevent contaminates to the weld. At first I thought you ran out of shielding gas (or had none)Correct, I did not grind it down.
You should be running about 200-265 ipm at 24-26 volts, with 75%/25%, I'm gonna assume your using duel shield , but looking at those welds I'm gonna say probley not. Being as MIG welding is low penetrating I would suggest you clean the base metal properly, and if you can, 6010 stick weld that with dual 7018 cover pass as that will give you 70k pounds of strength per inch of weld.
Mig will not hold these very well because I'm guessing your using ER70S wire. Switch to stick or duel shield (AWS A5.20; E71T-1M/T-9M) to do this right the first time.