Wrench Tips # 23: Tube Fabrication Tips

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Wrench Tips # 23 Tube Fabrication Tips
The tack welded pieces are test fitted hopefully for the final time to make sure everything is in line before the final welding.  Tack welds are used as they can easily be ground off in case a mistake was made and the tubes have to be re aligned.
Wrench Tips # 23 Tube Fabrication Tips
The tack welds on these beautifully constructed downpipes.  Perfect fit before seam welding.
Wrench Tips # 23 Tube Fabrication Tips
Now it’s time to get welding.  For thinwall stainless you use a small 0.035″ tungsten and a small filler rod to minimize heat and have a small heat affected zone.
Wrench Tips # 23 Tube Fabrication Tips
 After a lot of work, you get a bunch of nicely done stainless exhaust stuff made exactly to your requirements!

Sources

GTI Technical Innovations

Burns Stainless

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