I would bet your whole problem can be solved by arc length. Get that arc length small and tight and I bet it goes away. Long arc length equals more voltage which increases heat too. Do a couple of short welds concentrating on arc length if you think it's right you prolly are not close enough. Be ca...

Also, I would not advise welding aluminum without filler. It is very prone to cracking. What tungsten are you using? I have had similar issues welding shitty quality pipe like you would find it eBay intercooler kits. the fusion weld was only done on scrap metal and was only done to make sure it was...

AFR_Autoworks wrote:How large are the pieces you are welding? Aluminum tends to do this when it gets too hot.

those were 3 inch 3mm thick ic pipes. but doing it even from the first couple dips

I'm pretty new with welding in general and still have a lot to learn so please don't criticise to bad. I bought a tig setup (HTP Invertig 221) fresh out of school and have had some issues welding aluminum after spending a lot of time trying to figure out these frequency and balance settings i wasn't...

Hello i've been a member of a lot of forums through the years and usually never made an introduction post, However reading the forum rules and policies I am doing so to have my first post approved. Actually i think that's a very nice rule and seems as this is the best way to have that done. Anyways ...