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ALUMINUM MIG BLACK SOOT

by BILL
(TENNESSEE)

WHY IS THERE BLACK SOOT AROUND THE WELD BOUGHT A NEW MILLER 212 AUTO SET AND A15 A SPOOL GUN 100%ARGON BEING USED WHAT AM I DOING WRONG OR IS IT SUPPOSE TO BE THERE? THXS

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ways to get rid of black soot....

push dont pull

increase argon flow rate

make sure all argon connections are tight and not leaking.

anyone else got any tips?

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Nov 27, 2015
Rating
starstarstarstarstar 		Black soot Aluminum NEW
by: MSD

All above is correct. Especially when you drag the puddle it will always soot up. Also make sure your Argon is not contaminated. Switch to a known good bottle of still having trouble.
Aug 13, 2012
Rating
starstarstarstarstar 		SOOT PROBLEMS NEW
by: Anonymous

DID ANYONE KNOW THAT IF YOU HAVE BOTTLES SETTING , OR STANDING FOR PERIODS OF TIME YOU SHOULD LAY YOUR BOTTLES DOWN AND ROLL THEM, IMPORTANT FOR MIXES AS WELL. THIS WILL CAUSE SOOT MARKS AS WELL AND ALOT OF OTHER PROBLEMS AS WELL. THANKS 25 YEARS IN THE BUSINESS
Aug 02, 2012
Rating
starstarstarstarstar 		The Black Ick NEW
by: Proff. Hoop

If your new to Aluminum,clean your parts if its heavily oxidized,and remember your carbon steel brush is a no no Stainless steel for Aluminum.

Flow rate of your argon is important, to much is as bad as not enough.

Good luck
Aug 02, 2012
Rating
starstarstarstar 		temperature NEW
by: Anonymous

If you preheat the aluminium once the optimal temperature is reached most of the soot will burn off similar to annealing the aluminium for bending.
Jul 23, 2012
Rating
starstarstarstarstar 		Contaminated Bottle? NEW
by: Anonymous

Is this a new bottle? Possible contamination in the Argon bottle? It happens!

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