From: null@void.com   
      
   David Billington  writes:   
      
   > On 27/03/2025 07:47, Richard Smith wrote:   
   >> MIG stainless - you have to "hot-up" the arc and give fluidity.  1% O2   
   >> in Ar is the best economically achievable for MIG stainless.   
   >> MIG stainless with 100%Ar is next-to-useless - no penetration and little   
   >> fluidity (I have tried putting TIG gas (100%Ar) on a MIG welder with   
   >> stainless wire - that is the limit of my experience).   
   >> TIG is inherently penetrative - runs perfectly on 100%Ar, as you know.   
   >   
   > I did the same with steel and MIG some years back when BOC were out of   
   > Argoshield light and the guy thought it would be OK, 100% Ar not good,   
   > fortunately the local depot got the Argoshield back in stock and   
   > swapped the bottle FOC. I use the Argoshield light on stainless from   
   > time to time and find it fine, IIRC 93/5/2 Ar/CO2,O2.   
      
   By the way - never tried it but - stainless flux-cored-wire runs on any   
   argomix - Argon with some CO2.   
   Guess the wire isn't going to rust if you keep it hung from the roof in   
   the shed...  (ie. if kept in a bag to keep it clean, it should feed just   
   fine)   
      
   --- SoupGate-Win32 v1.05   
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