Welding testHow To ACTUALLY TIG Weld Sanitary Tubing (purge welding stainless pipe) September 8, 2022 - Leave a Comment Blue Collar DrewThu, September 8, 2022 12:53pmURL:Embed:In this video, i’ll show ya how to tig weld stainless steel sanitary pipe. Purge welding, food grade and process piping don’t get a lot …