Nevermind, just answered my own question.
Turns out yes, a type-1 joint using spot radiography can indeed be type 1, which might throw you off if you were looking at the table in uw-12 which says its 0.85. This is why. UW-12(d) states:
"For calculations involving circumferential stress in...
Hey everyone, I have a question about joint efficiency. Take the case of a vessel with an elliptical head attached with a type 2 joint that meets spot radiography requirements per UW-11(a)5(b). The vessel also has a single longitudinal joint and all Cat A welds are type 1 with full radiography...
