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Yes, D1.1:2010, can't bring myself to buy a book that endorses welding over questionable materials that may be injurious to the weld being deposited.
Wait a minute guys, so you are saying that if a fella has qualified on a 1" groove test on plate and passed that he isn't qualified to tack the pieces together before welding out the next production joint without first passing a tack welder's test?
![eek :eek:](/f2/epx.png)
I hate to admit this, but I have never given a tack welder's qualification test to any of the hundreds of production welders that I tested. I gave a 2G 1" plate test in a couple processes and put them to work.
I read Note "b" in Table 4.12, and sure enough it doesn't mention "also qualifies for Tack welding".
I suppose I will have to start giving a tack welding test to my qualified welders, sounds awfully redundant though.