Originally Posted by overlandr
I have some shipping containers used for storage and need to weld on some steel lock boxes to protect the padlocks from everything but cutter grinders.
There is a single phase power supply 240vac up to 13amps available. I would like to consider purchasing my own welder to weld these boxes onto the containers as the cost of getting a contractor to do it would mean if I do it myself, I'll save and get to keep the welder for other jobs.
What welder would be suitable for this job?
How thick is the steel?
Do the math, 13 amps @ 220 volts = 2860 watts
Stick Welding at 35 volts, you will have 81 amps not counting 25% loss in efficiency.
I weld 3/32 7018 at 85 amps DC. Not quite enough there.
Mig welding at 18.6 volts you have 150 amps available using c/25. still not counting loss.
Does this help?
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