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Old February 11th, 2010, 05:47 PM   #1
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Default welding with fluxcore?

i had a small 110 fluxcore that worked well for tacking things up and bodywork.
a freind has a 220 fluxcore/gas century welder with adjustable heat(1-9) and wire speed(1-9)he wants to sell me.
it lays a nice bead with the fluxcore and seams to penetrate 1/4 well with the fluxcore.
i'v done alot of practice welds to try it and am happy with the way it works, i just want to know if the weld strength with the fluxcore 220 is comparably as strong as a 220 wire/gas weld as it seems to burn 1/4 in nicely.
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Old February 11th, 2010, 05:49 PM   #2
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in my experience flux core is just as strong as gas/wire. if the welder is able to be hooked up for gas i would just run gas/wire.
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Old February 11th, 2010, 05:53 PM   #3
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Old February 11th, 2010, 05:55 PM   #4
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Old February 11th, 2010, 05:57 PM   #5
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I have a full spool of flux core and a bunch of welding to do on the frame,
I have to do the link mounts and a few other things that are 1/4" or under.
Don't have the cash right now to buy a tank is why I'm asking.
Should I just hold off? -or- should I be OK?
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Old February 11th, 2010, 05:58 PM   #6
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Old February 11th, 2010, 06:04 PM   #7
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my opinion, it will be ok, just more spatter and smoke with flux core.
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Old February 11th, 2010, 06:35 PM   #8
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Fluxcore from what I understand is a hotter weld than gas/wire because the gas cools the weld.
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Old February 11th, 2010, 06:57 PM   #9
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The flux acts as the shield to help prevent contamination of the weld while the metal is still molten when using gas the gas acts as the shield. Both welds if welded correctly are of equal strength. No matter what system of welding you use TIG, MIG, and GAS welds will be of equal strength as long as the proper filler rod or wire is used. Also proper welding needs to be completed by the person using the equipment. If you don't get 100% penetration your weld will not be full strength, if you are to hot you will damage the metal and make it weak.

There is a lot more to welding than just a pretty weld
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