309 is a good wire for unknown stainless. It is also good for welding stainless to carbon steel. For TIG pure argon is fine, for MIG you probably want tri-mix or C2.
Senior Member
309 is a good wire for unknown stainless. It is also good for welding stainless to carbon steel. For TIG pure argon is fine, for MIG you probably want tri-mix or C2.
Last edited by Rambozo; 07-21-2020 at 02:50 PM.
Long arc, short arc, heliarc and in-the-dark!
Posting Permissions
Reply With Quote