Dear friends,
Suppose that a welder is qualified for 6010 (f no.3) for root pass and 7018 (f no.4) for filling and cap.
Is he qualified for 7016 (f no.4) for root pass?
because as per AWS D1.1 2010 table 4.12, f number higher than WPQR f number is essential. but on the other hand, he had the...