Posted by david [76.103.64.254] on Thursday, December 03, 2009 at 00:38:57 :
In Reply to: aluminum welding with spool gun posted by Jerry in Idaho [64.139.238.43] on Wednesday, December 02, 2009 at 12:30:06 :
Aluminum mig does not use the same gas mixture as mild steel. Mild steel needs a 75/25 mixture of argon/nitrogen and aluminum needs 100% argon. I'm pretty sure that is correct.
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