Welding up a Gap on Galvanized Tube
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Uploader Comments (DingleZilla)
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All Comments (63)
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@DingleZilla thanks for the advice- I`ll give it a go and see how it goes!
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@DingleZilla Thanks for the reply, I guess I'll just keep the trigger pulled and try to stay out of the smoke and work with the volts and speed to get my rough fit-ups glued together
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Nice video. For galvanized, I prefer 3/32" 6011 rod on DC+.
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As it happens I'm in the process of knocking up a kart chassis for a friends kids, will take some vids.
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you obviously know your stuff, but what do you think about some of the scaremongering with galv fumes? I`ve got some nice 50mm galv angle I wanna make a bench out of, but a friend has put me off using it cos of the noxious fumes. Would grinding it off get round the problem?
6488ott 1 month ago
Hi 6488ott, Galv fumes are BAD news, control your breathing whilst you weld. Welding 50mm galv angle wouldn't take long per weld, even if it were 90secs per weld you should be able to hold your breath that time. You could weld it up outside of course! Grinding off gets most of it away, but still leaves a smear of galv that will spit & fume. Grind off lightly, then follow that with a hand file perhaps? The heat from the grinding process melts the galv and smears it about you see.
DingleZilla 1 month ago
Did you grind the galvanizing off before welding? I've been having a lot of undercutting if I don't grind. Is there a tip?
kawscottyoung 1 month ago
Hi kawscottyoung, Not for this one. The trouble I find with Galv treated metal is that grinding doesn't remove all traces, you take too much material off & you still end up with weld spatter spitting about. So I didn't bother this time & still truned out ok!
DingleZilla 1 month ago
Give upward welding a go, much better penetration and neater I find. Use a circular motion following the lip of your weld. Feed was possibly a touch fast also. I'll be quiet now.
OpeiGrafikka 1 month ago
Hi OpeiGrafikka, No need to be quiet, all opinions are welcome. Perhaps you would be kind enough to post a video of your lesson? All the best, DZ.
DingleZilla 1 month ago