Hey thanks for the help. We even went to a demagnetizer. Its run cycle was 3.5 min. for heavy duty. I ran it constant for 2.5 hrs. It went from 1750gause to 1200gause. Still unweldable. They turned off the cells in the refinery and it trickled down in 3 min from 1750gause to 1200gause, then one...
I'm a welder that is working on structual steel replacement in a mining refinery. I'm having a hard time with magnatisum that isn't present untill the column is cut. Its so strong that it will hold a 24" pipe wrench. I've heard different oppinions towards DC and AC. I'm wrapping the column with...