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Category: Mig (page 6 of 16)
Quick Summary for mig welding lap joints and tee joints uphill
KYSS…Keep your stickout short. Stickout is the amount of wire sticking out between the contact tip and the arc… If you aim for about 3/8″ (9mm) stickout, you will probably have more stickout than you think.
Using too low a wire speed can have a big effect on penetration. Not a problem on thin stuff or 11 ga outside corner joint but on a tee joint where more heat is needed, too low a wire speed can definitely result in lack of fusion.
I had a rush Mig job on a Saturday and ran out of c25 (75argon/25co2) mig gas.
but I had plenty of straight Co2. So lets talk a bit about mig gases and maybe just a tad about weld symbols.
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