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Tool Talk Discussion Forum

Re: Lincoln SAE 300 Magnetism

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G6 at Snook, TX

07-17-2020 19:42:19

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Update: We unrolled the leads yesterday and had good success. Welded all day today and had nary a problem. Laid good beads and was smooth as a professional machine like an SAE should be.

What we experienced yesterday was the arc blow that s typical with magnetism. The fellow who was welding for me referred to it as some of the worst magnetism he'd experienced and it progressed from bad to worse as yesterday unwound.
We have come across plenty of pipe magnetized and we have done the wrap trick which works fairly well.
Thanks for the replies.

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07-18-2020 03:03:30

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 Re: Lincoln SAE 300 Magnetism in reply to G6 at Snook, TX, 07-17-2020 19:42:19  
> What we experienced yesterday was the arc blow that s typical with magnetism.

Well, if you coil the leads, they will generate a magnetic field while you're welding. And that COULD magnetize any nearby steel, including whatever they're wrapped around. I can see if there's pipe laying in the vicinity of the coiled leads, some of the magnetic flux COULD pass through the pipe and affect your welding, even though the coiled leads are a long distance from where you're welding. Maybe.

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