Okay finally got a chance to try again following what you guys have suggested. Settings: 50A 1.6mm Filler 90A tacks (too high, didn't realise until the second tack) Starting with Prep, all four sides to be welded were ground with a flap disc. The metal is not great, has quite a bit of pitting that I...

Thanks for the feedback guys. Sounds like I did not clean the tube as much as I need too. Here is how I prepared the joint. Ignore the top half, that's where I cut out the beads from. RawTube.jpg It's a mild steel tube from the scrap yard, so had to wire brush the surface rust with a grinder and the...

Hi all, Thanks for your replies and apologies for the delay. Wanted to wait until I could get some more mild steel that was not galvanised to try again. First photo is from stick welding at 50A. Guess I'm using that as my benchmark, not sure if that weld is decent or not. The finish isn't the greate...

Good morning all, Just started to learn tig welding and was wondering if some folks would be able to take a look at some practice welds and suggest what I could be doing wrong and how to improve. Material: 1.6mm galvanized rectangular tube Electrode: 2.4mm E3 tungsten Filler: 2.4mm ER70S-2 Current: ...

Hi,

I couldn't find much info on this, so I wanted to ask:

Can 6061 Aluminium be brazed with Silicon Bronze using DC Tig?

Thanks,
Chris