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If the tubes are galvanized that could cause the poor welding. Having fought with contamination on tungstens and parts this does not sound like an issue back-purging or further cleaning will solve. I would set up some scraps of the tube and weld them, the pics don't look coated, but i think i...

Anything new?

There are many different methods of welding cast iron. 309L just happens to be one that many experts recommend from all their years of welding. Others include such things as Ni rods (nickle) and using 6011 or 7018. Still others say to just braze it really well and leave it be. Due to the...

I dont suppose you have a video of that running do you?

Welcome, and yes, i have become aware of that after looking at the things i will be working on.

Im going to talk to my grandfather later this week. I am thinking I will go for the Miller 165.

The ebay ones i was looking at were HF start. These in particular- http://cgi.ebay.com/NEW-50-AMP-PLAMSA-CUTTER-200-AMP-TIG-ARC-MMA-WELDER-/380326396654?pt=BI_Welders&hash=item588d3842ee...

Does anyone have a recomendation for a small tig welder (220amps) that costs under $1000? I have seen several on ebay, and have wondered if any of them are any good? I would be welding mostly steel, and maybe aluminum.

Since i did this last fall, i think i can help... When you weave, you make so the molten puddle flows into the metal. Also, if you think its not hot enough, it s not. Its onl too hot when the bead is glowing red at the end. (this doesnt apply to sheet metal) That along with practice will...

Well, like the title says, i got this big honkin a$$ welder thing that i really can not use :lol_hitti , but im not sure exactly what it really is and who would want it?