Welding testPart One: Prep and Tack up: SMAW Pipe Welding 6 Inch Sch 40 1G September 6, 2022 - Leave a Comment LearnToWeldTue, September 6, 2022 1:27pmURL:Embed:Check out this introductory prep and tack up with Shielded Metal Arc Welding on 6″ Sch. 40 Pipe 1G. Want to see more? Tune in …