Gallery, Projects and General > How do I??

Due-mig

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dickda1:
I use argon for TIG and a bottle lasts a good while.  Argon or Argon/Helium works well with most metals including aluminum.  If you buy a used bottle, check for a date stamp on the side.  Over here in the States, bottles are supposed to be hydraulically tested every 5-7 years.  The welding shop will hit you up for a extra charge if you bring an outdated bottle.
-Dick

Davo J:
Over here the bottles need checking every 10 years. I have tried strait Argon when I was desperate for mig welding steel, and while it works, you get a cold weld so it's not suited.

Dave

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