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Alternatives to back purging SS

Posted: Mon Nov 19, 2012 5:24 pm
by E30isKing
Hi there,

Kinda new to TIG but I have lots of interest.

I was researching on back purging and alternatives and I found several ways to avoid backpurging - main use I see is SS pipe for exhaust manifods.

What is your opinion on the following:
1 - Flux Cored SS filler rod
2- Flux Core
3 - Ceramic Tape
4 - Backing plate or pipe - either Al or Copper

Thanks,
Paulo

Re: Alternatives to back purging SS

Posted: Mon Nov 19, 2012 6:21 pm
by weldin mike 27
Hi,

There is also a product called SolarFlux. Brushed on the root side and it "Bakes" into a slag to protect the root.

Mick

Re: Alternatives to back purging SS

Posted: Tue Dec 04, 2012 10:58 pm
by TamJeff
Welding reverse travel helps when using just purge plates.