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avoiding porosity on aluminum tig
July 18, 2024 Jody Collier

#6 Customer Video - 2 Tips for TIG Welding Aluminum

2 tips in this video are:

 

  1. How to get full smooth penetration on a thin aluminum butt joint.
  2. How to avoid porosity on an aluminum weld that will be machined.

For full penetration butt welds on aluminum

  • Clean both sides and edge
  • Tight arc
  • #5 cup can help

Avoiding porosity on aluminum that gets a final machine

  • Clean metal and wipe with acetone
  • Preheat to around 200f
  • Set AC balance to more cleaning
  • 4047 filler helps if permitted 
  • For castings, let the cleaning action work a bit before puddling.
Previous article 7 Tips (Actually 8) for TIG Welding Aluminum
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Comments

Kurt Krueger - July 19, 2024

Awesome video, thanks Jodie. Plain & simple tricks that should be used anytime welding aluminum.

Roald Hatten - July 18, 2024

Thanks for great videos! I have to use +2.5 correction lenses. Any thoughts around correction lenses in the welding hood?
I also find my hood to change darkness in the middle of welding. Any good tips?
Appreciate your advice. Roald

Christian Bos - July 18, 2024

Hey Jody, I’m following you for a very long time and have much learned from you, what I use in practice and work. If it was not so expensive to order from you, I already had do that but the shipping/delivery cost is to high for me, even so much, that it is almost even expensive as the products. I have the Primeweld 225X so I am happy, you tell more about the machine and it’s a great machine and I am very satisfied and happy with it. I’ll waiting for new videos and give you my best regards and greetings and have a great day.

skip schneider - July 18, 2024

thanks for all your tips. I am a Funeral Director that years ago drove a dragster in ther NHRA so I love tig welding. Always trying to improve even though I don’t not do enoughyt. Thanks Again.

Steven Natali - July 18, 2024

Absolutely LOVE these quick tips. Great reminders of things you were told at least ten times over the years, but frequently forget if it’s been a while since working aluminum. Especially appreciate the tip of laying it on pretty heavy for the machine shop when they have to cut a chamfer.

Martin Rubenstein - July 18, 2024

Great tips, even great refresher tips for those that know it but maybe, for whatever reason, haven’t run into any problems with aluminium for so long that they’ve forgotten just how temperamental it can sometimes be.

Love these quick-tips videos.

Thanks, Jody.

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