#1
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Flux core mig with gas?
Can mig flux core be used with 75 argon 25 co2? or with any other gas?
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Dan |
#2
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Also known in industry as "dual shield" this can be used on the basic "china electric" welders and up to the real pro machines. Makes for smoother welds and enables vertical up and horizontal welds with less spatter. I recommend it, whenever possible. (beware of regulator-to-bottle fitting surface leaks on the china-electric machines as the machining on the brass reg fitting is sometimes below basic and cannot be fixed/remedied except by "basic"reg replacement.)
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Kent http://www.tinmantech.com "All it takes is a little practical experience to blow the he!! out of a perfectly good theory." --- Lloyd Rosenquist, charter member AWS, 1919. |
#3
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Thanks Kent those welding supply store guys said if we ran 75/25 with flux core we would get something called worming?.., then another welding store guy said it only should be done with straight co2 and of course one more welding store guy said it all depends the type of flux core. .... we just wanted a little extra shield on some slightly dirty mild steel.
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Dan |
#4
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If you use the "Super Arc" type welding wire made by Lincoln it was designed to be used on steel with less than perfect surface conditions.
I talked directly with Lincoln and they said that they developed the wire for use by the general public that didn't clean everything and de-rust perfectly. I have had very good luck and it's what Lowe's and Home Depot carry on the shelf. (This is just my finding of what works for me... others might have different advise.)
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Kirk |
#5
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If not and hesitant to try on scrap, then go with a mini bottle of C02, even as a 1 month rental.
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Kent http://www.tinmantech.com "All it takes is a little practical experience to blow the he!! out of a perfectly good theory." --- Lloyd Rosenquist, charter member AWS, 1919. |
#6
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Yeah we gave it a try we’re using Lincoln inner shield. Seemed to work well with argon co2 mix. One of the guys is going to bring in a co2 and we’ll try that next. It’s weird how bright the arc is. Not sure if it’s from the polarity switch or the flux core but it is a lot brighter.
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Dan |
#7
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Quote:
__________________
Kent http://www.tinmantech.com "All it takes is a little practical experience to blow the he!! out of a perfectly good theory." --- Lloyd Rosenquist, charter member AWS, 1919. |
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