Arc Welder

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Frequently Asked Questions...

Would 110 amp arc welder good enough to repair steel railing?

Would 110 amp arc welder good enough to repair steel railing? On the bottom of the railing it split. I was thinking of re-connecting it with 1/4 metal on each side. Is this possible? Dont have 220 amp and what would be better mig or arc. The railing is steel. tx in advance.


Best Answer...

Answer:

You never want to use an arc welder on a car or anything where you have thin metal at or below 1/4 --because of the impurities in the rods flux and the heat that will affect the surrounding metal.
both tig and MiG are perfect for this repair. you will want to use at least 100 amp 120 volt MIG welder( with a 30% duty cycle) --both Lincoln and Miller have great units. I would run .035 wire if welding 1/4 to 1/4 inch metal--or .023 if welding thinner metal to the 1/4 inch. The best gas to use is 75/25 argon/Co2. and not straight Co2 because it will cause over penetration of the weld.