I called AWS and eventually spoke with a guy in Technical. He looked through B2.1-8-212 and told me that all of the prequalified joints called out (I believe he said there were 7 total) required ER3XX filler. He suggest I look into NCPWB as they were the only other organization that established...
Hello,
I am looking at purchasing B2.1-8-212: 2001 Standard Welding Procedure Specification (WPS) for Gas Tungsten Arc Welding of Austenitic Stainless Steel (M-8/P-8/S-8, Group 1), 1?16 through 1-1?2 inch Thick, ER3XX, As-Welded Condition, Primarily Pipe Applications to qualify manual welders...