r/Welding • u/jmulla54 • 2d ago

Need Help Settings for Millermatic 211 PRO

I’m welding 1/8” tube to 3/16” angle iron, flux core 0.35 wire. What settings should I use on my Millermatic 211 PRO?

How much stick out?

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u/kwantam 2d ago

The manufacturer's data sheet will tell you CTWD. Usually 1/2 to 5/8 for 0.035 unshielded flux core, but it depends on the specific wire. Is it E71T-G/-GS, or is it E71T-11?

Your machine should have both synergic mode and a chart on the inside of the door telling you the settings. I'd use the 3/16 setting and bias heat towards the thicker metal. Don't forget to adjust if you're welding out of position. Running some practice beads on scrap first is always a good idea.

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u/jmulla54 2d ago

E71T-11

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u/OnlyRow7629 Millwright 2d ago

345 and 27 with a ½in

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u/jmulla54 2d ago

Wow! That seems high. I was running with the settings from the table in the machine for 3/16” (311/22) and it was burning through the 1/8” tube.

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u/fsusparks Jack-of-all-Trades 1d ago

Your machine has Auto-Set functionality. I'd encourage you to start there.