Stainless steel
Stainless steel 
05-29-2006, 08:30 PM
#2
I believe 321 is a higher (better) grade of stainless. However I think both QTP and Kooks use 304 so 321 might be overkill, but I'm no expert. Also, thickness is measured in gauge, and the grade of stainless has nothing to do with it.
05-29-2006, 08:30 PM
#3
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thickness has nothing to do with grade, this should answer the second question;
http://www.aalco.co.uk/technical/dat...ifications.pdf
http://www.aalco.co.uk/technical/dat...ifications.pdf
08-10-2006, 01:14 PM
#4
A limitation with 321 is that titanium does not transfer well across a high temperature arc, so is not recommended as a welding consumable.