brendan
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- Sep 7, 2010
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In my opinion the 175amp MIG welder is too small to weld 10mm plate. Looking at the specs it runs near 23volts which is still really cold regardless of whether you use 0.8 or 0.9 wire. We won't even mention the 25% duty cycle.
You need to be running at least 25 - 27 volts to get the penetration/fusion into the joint otherwise the weld will just fall off.
I wouldn't be Mig welding any more than 3mm with a 175amp MIG welder.
On another note GTAW is great for thin metal and small diameter pipe, otherwise it is not cost effective.
define small diameter