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Tool Talk Discussion Forum

Re: welder setting

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Author  [Modern View]

03-27-2013 03:17:09

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Mr. Stick, It was 36 coupe who pretty much said that 45 amps was way too cold if not impossible for 3/32" 6011. 6011 is harder to light than 6010, if you burn a lot of 6011 you get experience and can light it up with no problem even at low amps for thin stuff.

One of my apprentices gave me the number of 15 amps for every 1/32" of electrode diameter. After thinking about it 20 amps per 1/32" would have been a better number to get you in the ball park. That would have given a starting point of 60 amps for 3/32", then the machine could have been adjusted up or down depending on metal thickness and position.

If you would have done the math 15 amps per 1/32" would have put the machine at 60 amps for 1/8" 6011. That is way cold. 20 amps per 32nd would have given a better starting point of 80 amps. Then adjust up or down. I usually run 1/8", 6011 at 90 amps or so depending on machine.

I once used a gas driven Hobart that I had to turn down to below 80 amps to run a 1/8", 7018 vertical up. The Hobart was a temporary rental. The shop machine was the 350 Miller Scyrowave that did a good job at around 100 amps for the same weld.

Below is a electrode amperage chart off a welding supply web site. I don't agree with all the numbers on the chart especially the higher numbers. But it giver you a range depending on machine. This chart did not copy and paste too well but I am sure you can figure it out.

Electrode Amperage Chart

Electrode Dia. in. Dia. mm Amperage Range
6011 3/32 2.4 40-85
1/8 3.2 70-120
5/32 4.0 80-160
1/16 1.6 20-45
5/64 2.0 45-80
3/32 2.4 70-105
1/8 3.2 100-150
5/32 4.0 145-200
3/32 2.7 75-100
1/8 3.2 100-160
5/32 4.0 135-225
7018, 7018 AC
3/32 2.4 70-120
1/8 3.2 90-160
5/32 4.0 130-210
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Electrode Amperage Chart

That chart did not copy and paste too well.

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