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Old 06-11-2005, 11:10 AM
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Wire size suggestion.

Fellas
My old welder gave up the ghost so I have to weld a new set of panels with a welder a friend loaned me. Its a Linc Pac 10. He does not have a gas kit and my gages will not fit his. The question is, I have to weld them with flux core. I would like to know what gage of wire would be good suggestion. It's 22 gage metal.
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Old 06-11-2005, 06:50 PM
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Personally, I would stay away from using flux core on sheet metal because you risk burning through it VERY easily.
But, if it's just a beater and you have no other option, use the smallest wire you can find.
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Old 06-11-2005, 07:42 PM
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Have you used flux core before? If not I would suggest avoiding it if at all possible.
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Old 06-11-2005, 08:50 PM
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I agree, it makes crappy looking welds.

Vince
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Old 06-12-2005, 06:25 AM
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No
Its not a beater, the van itself is in great shape only 110k (60K US). Just the normal rocker panel and left side panel are rusted. I have never used Flux Core, my Hobart gas kit will not fit his Linc. I cannot afford to buy a new one at 800$ Cdn.
Most of the most of the panels will be plug welded, the side panel can be welded on the inside, the longest outer weld is about 6". I'm not new as I have posted, just I have not welded with flux for a few years.
Thanks

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Old 06-12-2005, 07:37 AM
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That's even worse! Plug welds are almost impossible w/ flux core wire. The hole will fill with a mix of flux and steel and not only will it be difficult to clean up and finish, the flux seems to always be under the steel and there is little or no bond. Flux core wire is great for making wrought iron fence but has absolutely no business around auto sheet metal work. Period. If the work is worth doing right, find another way.
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Old 06-12-2005, 08:42 AM
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Gas kit

Most of the Lincolns I have seen have provision for the gas kit..it is not all that expensive for one to retrofit one of those guys...Lincoln dealer should be able to help you out...

Maybe getting the gas kit would be a good trade for the use of the welder..

Then spool up some 0.23 or 0.25 wire and go for it..

Just my thought...

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Old 06-12-2005, 09:28 AM
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You can use regular wire WITHOUT the gas. It's not as clean a weld but I'd do that BEFORE using flux core. Be sure the area is CLEAN/BARE metal.
With the plug welds,your just filling a hole so you weld time is minimal and what little oxide build really shouldn't be a big deal.
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Old 06-12-2005, 10:23 AM
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Solid wire WITHOUT gas
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Old 06-12-2005, 10:33 AM
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Solid wire welds w/o gas are not very good. They consist of primarily iron oxide which is a ceramic and will fail.
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Old 06-12-2005, 12:04 PM
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I have to agree with willys I just can't think of any situation where I would use gas shielded wire without gas. Not only would the weld not really be a weld but the base metal would be destroyed in the weld area due to oxidation.
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Old 06-12-2005, 01:36 PM
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I agree that it is NOT the best way.
I would rather that then using flux core for a small weld like a spot fill.

Why not?

I have welded without gas in situations on small spots and outside of it being a little on ugly side as in too much heat appearance,saw no real issue with the weld itself. I'm not trying to be a SmartA..,Just trying to give a viable option for someone who's not in a position to do things the "perfect" way due to circumstances beyond his control. It's not a perfect world someday's and you have to color outside the line's sometimes.
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Old 06-12-2005, 02:19 PM
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"my Hobart gas kit will not fit his Linc. I cannot afford to buy a new one at 800$ Cdn. "

Is the Lincoln a F/C only machine?
If not, you should be able to use a simple adapter fitting and your problem will be solved.
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