TOOLS AND THE SHOP > WELDING & METAL FABRICATION
MIG welding with bottle gas vs flux core
m_fumich:
IIRC, if you don’t have bottle gas for your MIG welder, the alternative is to use flux core wire. Is there a difference in the strength or quality of the weld between the two? If not, why would I want to use bottle gas over flux core wire?
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gtermini:
Every skyscraper since 1980 has been stuck together with innershield. If run correctly it's as good, or in some cases better than hard wire MIG.
I run a lot of innershield nr212 and nr203. It's smokey, finicky, dirty, blows spatter all over, awful on thin metal (anything under 1/4"), and several other unpleasant traits. It eats trash and paint for dinner and doesn't care if the wind is blowing 40 mph. When it's dialed in, it runs like a million bucks and you can dump the metal in. Vertical up is my favorite position to run it. The slag lets you carry a large, hot puddle to really burn in. Full disclosure, I run industrial welders, .045"-.072" wire, and never really under 150 amps. A needle scaler and grinder with a stringer wire wheel are mandatory for cleaning up the dingleberrys innershield throws.
If I am welding inside, hard wire MIG is the most convenient, smoothest, and cleanest. It has zero tolerance for any wind and doesn't love rust or paint without making swiss cheese bird crap welds.
Both have their places.
This is all done with innershield. Not the prettiest, but I trust none of it will come apart.
m_fumich:
--- Quote from: gtermini on August 28, 2020, 11:53:08 AM --- Every skyscraper since 1980 has been stuck together with innershield. If run correctly it's as good, or in some cases better than hard wire MIG.
--- End quote ---
I am not familiar with the terms innershield and hard wire.
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oldnslo:
--- Quote from: m_fumich on August 28, 2020, 12:01:22 PM ---
I am not familiar with the terms innershield and hard wire.
--- End quote ---
Google is but one of many search engines that allow you to learn about things you are not familiar with. Try it!
m_fumich:
--- Quote from: oldnslo on August 29, 2020, 06:29:44 AM ---
--- Quote from: m_fumich on August 28, 2020, 12:01:22 PM ---
I am not familiar with the terms innershield and hard wire.
--- End quote ---
Google is but one of many search engines that allow you to learn about things you are not familiar with. Try it!
--- End quote ---
If I Googled every question I had to ask, then what’s the point of this whole goddamn forum?
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